更新日志

對綁定的擴展的函數(shù)有以下更新。

Version	Function	Description
Since 5.0.0	get_parent_class	The object parameter is optional if called from the object's method.
Since 5.0	cal_info	參數(shù)calendar作為可選項，缺省時默認值為"所有歷法"。
Since 4.3.0	easter_date	year參數(shù)可選，缺省的默認值是當(dāng)年。
	easter_days	引入?yún)?shù) method。
	easter_days	參數(shù)year 可選，缺省默認值是當(dāng)年。
Since 4.2.0	srand	seed 成為可選，省略時會默認使用隨機值。
Since 4.0.5	get_parent_class	If object is a string, returns the name of the parent class of the class with that name.
prior to 5.3.0	get_object_vars	If the object isn't an object, then get_object_vars would return false
Prior to 5.1.3	imagecolorallocatealpha	Returns -1 if the allocation failed.
prior to 4.2.0	get_object_vars	If the variables declared in the class of which the object is an instance, have not been assigned a value, those will not be returned in the array
PHP 7.0.15, PHP 7.1.1	get_defined_functions	增加 exclude_disabled 參數(shù)。
PHP 5.3.2 (PECL OCI8 1.4)	oci_set_prefetch	Before this release, rows must be >= 1.
PHP 5.3 (PECL OCI8 1.3.4)	oci_set_prefetch	Before this release, prefetching was limited to the lesser of rows rows and 1024 * rows bytes. The byte size restriction has now been removed.
PECL OCI8 3.2	oci_set_prefetch_lob
PECL 3.0.0	IntlDateFormatter::format	Support for providing IntlCalendar objects to the datetime parameter was added.
Before 5.1.0	get_parent_class	If called without parameter outside object, this function would have returned null with a warning.
8.1.0	DirectoryIterator::key	When the iterator is uninitialized, an Error is thrown now. Previously, the method returned false.
	DOMDocument::createComment	In case of an error, a DomException is thrown now. Previously, false was returned.
	DOMDocument::createDocumentFragment	In case of an error, a DomException is thrown now. Previously, false was returned.
	DOMDocument::createTextNode	In case of an error, a DomException is thrown now. Previously, false was returned.
	current	棄用在 object 上調(diào)用此函數(shù)。 在 object 優(yōu)先使用 get_mangled_object_vars 或者使用 ArrayIterator。
	end	棄用在 object 上調(diào)用此函數(shù)。 在 object 優(yōu)先使用 get_mangled_object_vars 或者使用 ArrayIterator。
	html_entity_decode	flags changed from ENT_COMPAT to ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401.
	imageopenpolygon	The parameter num_points has been deprecated.
	key	棄用在 object 上調(diào)用此函數(shù)。 在 object 優(yōu)先使用 get_mangled_object_vars 或者使用 ArrayIterator。
	ldap_add	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_add_ext	Returns an LDAP\Result instance now; previously, a 資源(resource) was returned.
	ldap_add_ext	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_bind_ext	Returns an LDAP\Result instance now; previously, a 資源(resource) was returned.
	ldap_bind_ext	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_compare	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_connect	Returns an LDAP\Connection instance now; previously, a 資源(resource) was returned.
	ldap_count_entries	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_count_entries	The result parameter expects an LDAP\Result instance now; previously, a 資源(resource) was expected.
	ldap_count_references	The result parameter expects an LDAP\Result instance now; previously, a 資源(resource) was expected.
	ldap_count_references	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_delete	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_delete_ext	Returns an LDAP\Result instance now; previously, a 資源(resource) was returned.
	ldap_delete_ext	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_errno	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_error	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_exop	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_exop_passwd	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_exop_refresh	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_exop_whoami	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_first_attribute	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_first_attribute	The entry parameter expects an LDAP\ResultEntry instance now; previously, a 資源(resource) was expected.
	ldap_first_entry	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_first_entry	The result parameter expects an LDAP\Result instance now; previously, a 資源(resource) was expected.
	ldap_first_entry	Returns an LDAP\ResultEntry instance now; previously, a 資源(resource) was returned.
	ldap_free_result	The result parameter expects an LDAP\Result instance now; previously, a 資源(resource) was expected.
	ldap_get_attributes	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_get_attributes	The entry parameter expects an LDAP\ResultEntry instance now; previously, a 資源(resource) was expected.
	ldap_get_dn	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_get_dn	The entry parameter expects an LDAP\ResultEntry instance now; previously, a 資源(resource) was expected.
	ldap_get_entries	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_get_entries	The result parameter expects an LDAP\Result instance now; previously, a 資源(resource) was expected.
	ldap_get_option	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_get_values	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_get_values	The entry parameter expects an LDAP\ResultEntry instance now; previously, a 資源(resource) was expected.
	ldap_get_values_len	The entry parameter expects an LDAP\ResultEntry instance now; previously, a 資源(resource) was expected.
	ldap_get_values_len	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_list	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_list	Returns an LDAP\Result instance now; previously, a 資源(resource) was returned.
	ldap_mod_add	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_mod_del	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_mod_replace	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_modify_batch	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_mod_add_ext	Returns an LDAP\Result instance now; previously, a 資源(resource) was returned.
	ldap_mod_add_ext	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_mod_del_ext	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_mod_del_ext	Returns an LDAP\Result instance now; previously, a 資源(resource) was returned.
	ldap_mod_replace_ext	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_mod_replace_ext	Returns an LDAP\Result instance now; previously, a 資源(resource) was returned.
	ldap_next_attribute	The entry parameter expects an LDAP\ResultEntry instance now; previously, a 資源(resource) was expected.
	ldap_next_attribute	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_next_entry	The entry parameter expects an LDAP\ResultEntry instance now; previously, a 資源(resource) was expected.
	ldap_next_entry	Returns an LDAP\Result instance now; previously, a 資源(resource) was returned.
	ldap_next_entry	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_parse_exop	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_parse_exop	The result parameter expects an LDAP\Result instance now; previously, a 資源(resource) was expected.
	ldap_parse_result	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_parse_result	The result parameter expects an LDAP\Result instance now; previously, a 資源(resource) was expected.
	ldap_read	Returns an LDAP\Result instance now; previously, a 資源(resource) was returned.
	ldap_read	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_rename	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_rename_ext	Returns an LDAP\Result instance now; previously, a 資源(resource) was returned.
	ldap_rename_ext	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_sasl_bind	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_search	Returns an LDAP\Result instance now; previously, a 資源(resource) was returned.
	ldap_search	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_set_option	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_set_rebind_proc	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	ldap_unbind	現(xiàn)在 ldap 參數(shù)接受 LDAP\Connection 實例，之前接受 資源(resource)。
	mhash	This function has been deprecated. Use the hash_*() functions instead.
	mhash_count	This function has been deprecated. Use the hash_*() functions instead.
	mhash_get_block_size	This function has been deprecated. Use the hash_*() functions instead.
	mhash_get_hash_name	This function has been deprecated. Use the hash_*() functions instead.
	mhash_keygen_s2k	This function has been deprecated. Use the hash_*() functions instead.
	next	棄用在 object 上調(diào)用此函數(shù)。 在 object 優(yōu)先使用 get_mangled_object_vars 或者使用 ArrayIterator。
	odbc_result_all	This function has been deprecated.
	openssl_cms_encrypt	The default cipher algorithm (cipher_algo) is now AES-128-CBC (OPENSSL_CIPHER_AES_128_CBC). Previously, PKCS7/CMS was used (OPENSSL_CIPHER_RC2_40).
	pg_consume_input	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_escape_identifier	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_escape_literal	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_execute	現(xiàn)在返回 PgSql\Result 實例，之前返回 資源(resource)
	pg_execute	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_fetch_all_columns	現(xiàn)在 result 參數(shù)接受 PgSql\Result 實例，之前接受 資源(resource)。
	pg_field_table	現(xiàn)在 result 參數(shù)接受 PgSql\Result 實例，之前接受 資源(resource)。
	pg_field_type_oid	現(xiàn)在 result 參數(shù)接受 PgSql\Result 實例，之前接受 資源(resource)。
	pg_lo_truncate	現(xiàn)在 lob 接受 PgSql\Lob 實例，之前接受 資源(resource)。
	pg_parameter_status	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_prepare	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_prepare	現(xiàn)在返回 PgSql\Result 實例，之前返回 資源(resource)
	pg_query_params	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_query_params	現(xiàn)在返回 PgSql\Result 實例，之前返回 資源(resource)
	pg_result_error_field	現(xiàn)在 result 參數(shù)接受 PgSql\Result 實例，之前接受 資源(resource)。
	pg_send_execute	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_send_prepare	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_send_query_params	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_set_error_verbosity	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_socket	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_transaction_status	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	pg_version	現(xiàn)在 connection 參數(shù)接受 PgSql\Connection 實例，之前接受 資源(resource)。
	prev	棄用在 object 上調(diào)用此函數(shù)。 在 object 優(yōu)先使用 get_mangled_object_vars 或者使用 ArrayIterator。
	pspell_add_to_personal	The dictionary parameter expects an PSpell\Dictionary instance now; previously, a 資源(resource) was expected.
	pspell_add_to_session	The dictionary parameter expects an PSpell\Dictionary instance now; previously, a 資源(resource) was expected.
	pspell_check	The dictionary parameter expects an PSpell\Dictionary instance now; previously, a 資源(resource) was expected.
	pspell_clear_session	The dictionary parameter expects an PSpell\Dictionary instance now; previously, a 資源(resource) was expected.
	pspell_config_create	Returns an PSpell\Config instance now; previously, a 資源(resource) was returned.
	pspell_config_data_dir	The config parameter expects an PSpell\Config instance now; previously, a 資源(resource) was expected.
	pspell_config_dict_dir	The config parameter expects an PSpell\Config instance now; previously, a 資源(resource) was expected.
	pspell_config_ignore	The config parameter expects an PSpell\Config instance now; previously, a 資源(resource) was expected.
	pspell_config_mode	The config parameter expects an PSpell\Config instance now; previously, a 資源(resource) was expected.
	pspell_config_personal	The config parameter expects an PSpell\Config instance now; previously, a 資源(resource) was expected.
	pspell_config_repl	The config parameter expects an PSpell\Config instance now; previously, a 資源(resource) was expected.
	pspell_config_runtogether	The config parameter expects an PSpell\Config instance now; previously, a 資源(resource) was expected.
	pspell_config_save_repl	The config parameter expects an PSpell\Config instance now; previously, a 資源(resource) was expected.
	pspell_new	Returns an PSpell\Dictionary instance now; previously, a 資源(resource) was returned.
	pspell_new_config	The config parameter expects an PSpell\Config instance now; previously, a 資源(resource) was expected.
	pspell_new_config	Returns an PSpell\Dictionary instance now; previously, a 資源(resource) was returned.
	pspell_new_personal	Returns an PSpell\Dictionary instance now; previously, a 資源(resource) was returned.
	pspell_save_wordlist	The dictionary parameter expects an PSpell\Dictionary instance now; previously, a 資源(resource) was expected.
	pspell_store_replacement	The dictionary parameter expects an PSpell\Dictionary instance now; previously, a 資源(resource) was expected.
	pspell_suggest	The dictionary parameter expects an PSpell\Dictionary instance now; previously, a 資源(resource) was expected.
	reset	棄用在 object 上調(diào)用此函數(shù)。 在 object 優(yōu)先使用 get_mangled_object_vars 或者使用 ArrayIterator。
	stream_select	microseconds is now nullable.
	MultipleIterator::current	A RuntimeException is now thrown if MultipleIterator::current is called on an invalid iterator. Previously, false was returned.
	MultipleIterator::key	A RuntimeException is now thrown if MultipleIterator::key is called on an invalid iterator. Previously, false was returned.
	Phar::buildFromDirectory	Phar::buildFromDirectory no longer returns false.
	Phar::buildFromIterator	Phar::buildFromIterator no longer returns false.
	PharData::buildFromDirectory	PharData::buildFromDirectory no longer returns false.
	PharData::buildFromIterator	PharData::buildFromIterator no longer returns false.
	ReflectionClassConstant::getName	Throws an Error in case the name property has not been initialized. Previously, the method returned false on failure.
	ReflectionParameter::__clone	This method is no longer final.
	ReflectionProperty::__clone	This method is no longer final.
	ReflectionZendExtension::__clone	This method is no longer final.
	SplFileObject::fputcsv	The optional eol parameter has been added.
	SplObjectStorage::current	SplObjectStorage::current now throws an Error exception if the current position is invalid. Previously, false was returned instead.
8.0.3	DOMDocument::getElementsByTagNameNS	namespace is nullable now.
	DOMElement::getElementsByTagNameNS	namespace is nullable now.
	DOMImplementation::createDocument	namespace is now nullable.
	finfo::__construct	magic_database is nullable now.
	bind_textdomain_codeset	codeset is nullable now. Previously, it was not possible to retrieve the currently set encoding.
	bindtextdomain	directory is nullable now. Previously, it was not possible to retrieve the currently set directory.
	SoapClient::__setLocation	location is nullable now.
	SoapVar::__construct	typeName, typeNamespace, nodeName,and nodeNamespace are nullable now.
8.0.0, PECL OCI8 3.0.0	oci_lob_copy	length is now nullable.
	OCICollection::append	The OCI-Collection class was renamed to OCICollection to align with PHP naming standards.
	OCICollection::assign	The OCI-Collection class was renamed to OCICollection to align with PHP naming standards.
	OCICollection::assignElem	The OCI-Collection class was renamed to OCICollection to align with PHP naming standards.
	OCICollection::free	The OCI-Collection class was renamed to OCICollection to align with PHP naming standards.
	OCICollection::getElem	The OCI-Collection class was renamed to OCICollection to align with PHP naming standards.
	OCICollection::max	The OCI-Collection class was renamed to OCICollection to align with PHP naming standards.
	OCICollection::size	The OCI-Collection class was renamed to OCICollection to align with PHP naming standards.
	OCICollection::trim	The OCI-Collection class was renamed to OCICollection to align with PHP naming standards.
	OCILob::append	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::close	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::eof	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::erase	offset and length are now nullable.
	OCILob::erase	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::export	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::export	offset and length are now nullable.
	OCILob::flush	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::free	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::getBuffering	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::import	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::load	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::read	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::rewind	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::save	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::saveFile	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::seek	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::setBuffering	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::size	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::tell	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::truncate	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::write	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::write	length is now nullable.
	OCILob::writeTemporary	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::writeToFile	The OCI-Lob class was renamed to OCILob to align with PHP naming standards.
	OCILob::writeToFile	offset and length are now nullable.
8.0.0	DateInterval::__construct	W can be combined with D.
	DateTime::format	Prior to this version, false was returned on failure.
	DateTime::format	The format character p has been added.
	DateTime::getOffset	Prior to this version, false was returned on failure.
	DateTime::getTimestamp	These functions no longer return false on failure.
	DirectoryIterator::__construct	Now throws a ValueError if directory is an empty string; previously it threw a RuntimeException.
	DOMImplementation::createDocument	doctype is now nullable.
	FFI::cdef	lib is nullable now.
	FFI::string	size is nullable now; previously, its default was 0.
	FilesystemIterator::__construct	Now throws a ValueError if directory is an empty string; previously it threw a RuntimeException.
	apache_note	現(xiàn)在 note_value 可為 null。
	array_column	index_key 參數(shù)指定的列中的對象不再強制轉(zhuǎn)換為字符串，而是會拋出 TypeError。
	array_filter	如果 callback 接受引用傳遞參數(shù)，該方法將會拋出 E_WARNING。
	array_filter	callback 現(xiàn)在可為空（nullable）。
	array_map	如果 callback 接受引用傳遞參數(shù)，該方法將會拋出 E_WARNING。
	array_reduce	如果 callback 接受引用傳遞參數(shù)，該方法將會拋出 E_WARNING。
	array_splice	length 現(xiàn)在可為空（nullable）。
	array_walk	如果 callback 期待通過引用傳遞第二個和第三個參數(shù)， 此函數(shù)現(xiàn)在將拋出 E_WARNING。
	bcadd	現(xiàn)在 scale 可以為 null。
	bccomp	現(xiàn)在 scale 可以為 null。
	bcdiv	現(xiàn)在 scale 可以為 null。
	bcmod	現(xiàn)在 scale 可以為 null。
	bcmul	現(xiàn)在 scale 可以為 null。
	bcpowmod	scale is now nullable.
	bcscale	現(xiàn)在 scale 可以為 null。
	bcsqrt	現(xiàn)在 scale 可以為 null。
	bcsub	現(xiàn)在 scale 可以為 null。
	bzdecompress	use_less_memory 的類型從 int 變?yōu)?bool。 之前默認值為 0。
	bzwrite	length 現(xiàn)在可為空（nullable）。
	com_event_sink	sink_interface is nullable now.
	com_get_active_object	codepage is nullable now.
	count	當(dāng) value 參數(shù)傳入了無效的 countable 類型， count 現(xiàn)在會拋出 TypeError。
	deflate_add	context expects a DeflateContext instance now; previously, a resource was expected.
	deflate_init	On success, this function returns a DeflateContext instance now; previously, a resource was returned.
	dir	context 現(xiàn)在可為空（nullable）。
	dom_import_simplexml	This function no longer returns null on failure.
	enchant_broker_describe	Prior to this version, the function returned false on failure.
	enchant_broker_describe	broker expects an EnchantBroker instance now; previoulsy, a 資源(resource) was expected.
	enchant_broker_dict_exists	broker expects an EnchantBroker instance now; previoulsy, a 資源(resource) was expected.
	enchant_broker_free	broker expects an EnchantBroker instance now; previoulsy, a 資源(resource) was expected.
	enchant_broker_free_dict	dictionary expects a EnchantDictionary now; previoulsy, a 資源(resource) was expected.
	enchant_broker_get_dict_path	broker expects an EnchantBroker instance now; previoulsy, a 資源(resource) was expected.
	enchant_broker_get_error	broker expects an EnchantBroker instance now; previoulsy, a 資源(resource) was expected.
	enchant_broker_init	On success, this function returns an EnchantBroker instance now; previoulsy, a 資源(resource) was retured.
	enchant_broker_list_dicts	broker expects an EnchantBroker instance now; previoulsy, a 資源(resource) was expected.
	enchant_broker_list_dicts	Prior to this version, the function returned false on failure.
	enchant_broker_request_dict	On success, this function returns an EnchantDictionary instance now; previoulsy, a 資源(resource) was retured.
	enchant_broker_request_dict	broker expects an EnchantBroker instance now; previoulsy, a 資源(resource) was expected.
	enchant_broker_request_pwl_dict	On success, this function returns an EnchantDictionary instance now; previoulsy, a 資源(resource) was retured.
	enchant_broker_request_pwl_dict	broker expects an EnchantBroker instance now; previoulsy, a 資源(resource) was expected.
	enchant_broker_set_dict_path	broker expects an EnchantBroker instance now; previoulsy, a 資源(resource) was expected.
	enchant_broker_set_ordering	broker expects an EnchantBroker instance now; previoulsy, a 資源(resource) was expected.
	enchant_dict_add	dictionary expects an EnchantDictionary instance now; previoulsy, a 資源(resource) was expected.
	enchant_dict_add_to_session	dictionary expects an EnchantDictionary instance now; previoulsy, a 資源(resource) was expected.
	enchant_dict_check	dictionary expects an EnchantDictionary instance now; previoulsy, a 資源(resource) was expected.
	enchant_dict_describe	dictionary expects an EnchantDictionary instance now; previoulsy, a 資源(resource) was expected.
	enchant_dict_describe	Prior to this version, the function returned false on failure.
	enchant_dict_get_error	dictionary expects an EnchantDictionary instance now; previoulsy, a 資源(resource) was expected.
	enchant_dict_is_added	dictionary expects an EnchantDictionary instance now; previoulsy, a 資源(resource) was expected.
	enchant_dict_quick_check	dictionary expects an EnchantDictionary instance now; previoulsy, a 資源(resource) was expected.
	enchant_dict_store_replacement	dictionary expects an EnchantDictionary instance now; previoulsy, a 資源(resource) was expected.
	enchant_dict_suggest	dictionary expects an EnchantDictionary instance now; previoulsy, a 資源(resource) was expected.
	exif_read_data	required_sections 現(xiàn)在可以為空。
	get_resources	type is nullable now.
	gmp_binomial	This function no longer returns false on failure.
	gmp_export	This function no longer returns false on failure.
	gmp_import	This function no longer returns false on failure.
	gzgets	length is nullable now; previously, the default was 1024.
	gzwrite	length is nullable now; previously, the default was 0.
	html_entity_decode	encoding is nullable now.
	iconv_strpos	encoding is nullable now.
	iconv_strrpos	encoding is nullable now.
	imagebmp	image expects a GdImage instance now; previously, a resource was expected.
	imagebmp	The type of compressed is bool now; formerly it was int.
	imagecreatefrombmp	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecreatefromtga	On success, this function returns a GDImage instance now; previously, a 資源(resource) was returned.
	imagecrop	image expects a GdImage instance now; previously, a resource was expected.
	imagecrop	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecropauto	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagecropauto	image expects a GdImage instance now; previously, a resource was expected.
	imageflip	image expects a GdImage instance now; previously, a resource was expected.
	imagegetclip	image expects a GdImage instance now; previously, a resource was expected.
	imagegetinterpolation	image expects a GdImage instance now; previously, a resource was expected.
	imagegrabscreen	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagegrabwindow	client_area expects a bool now; previously it expected an int.
	imagegrabwindow	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imageopenpolygon	image expects a GdImage instance now; previously, a resource was expected.
	imagepalettetotruecolor	image expects a GdImage instance now; previously, a resource was expected.
	imageresolution	resolution_x and resolution_y are now nullable.
	imagescale	On success, this function returns a GDImage instance now; previously, a resource was returned.
	imagescale	image expects a GdImage instance now; previously, a resource was expected.
	imagesetclip	image expects a GdImage instance now; previously, a resource was expected.
	imagesetinterpolation	image expects a GdImage instance now; previously, a resource was expected.
	implode	在 array 之后傳遞 separator 已不再支持。
	inflate_add	context expects an InflateContext instance now; previously, a resource was expected.
	inflate_get_read_len	context expects an InflateContext instance now; previously, a resource was expected.
	inflate_get_status	context expects an InflateContext instance now; previously, a resource was expected.
	inflate_init	On success, this function returns an InflateContext instance now; previously, a resource was returned.
	ldap_add	controls is nullable now; previously, it defaulted to [].
	ldap_add_ext	controls is nullable now; previously, it defaulted to [].
	ldap_bind_ext	controls is nullable now; previously, it defaulted to [].
	ldap_compare	controls is nullable now; previously, it defaulted to [].
	ldap_control_paged_result	This function has been removed.
	ldap_control_paged_result_response	This function has been removed.
	ldap_delete	controls is nullable now; previously, it defaulted to [].
	ldap_delete_ext	controls is nullable now; previously, it defaulted to [].
	ldap_exop_passwd	controls is nullable now; previously, it defaulted to [].
	ldap_list	controls is nullable now; previously, it defaulted to [].
	ldap_mod_add	controls is nullable now; previously, it defaulted to [].
	ldap_mod_del	controls is nullable now; previously, it defaulted to [].
	ldap_mod_replace	controls is nullable now; previously, it defaulted to [].
	ldap_modify_batch	controls is nullable now; previously, it defaulted to [].
	ldap_mod_add_ext	controls is nullable now; previously, it defaulted to [].
	ldap_mod_del_ext	controls is nullable now; previously, it defaulted to [].
	ldap_mod_replace_ext	controls is nullable now; previously, it defaulted to [].
	ldap_read	controls is nullable now; previously, it defaulted to [].
	ldap_rename	controls is nullable now; previously, it defaulted to [].
	ldap_rename_ext	controls is nullable now; previously, it defaulted to [].
	ldap_sasl_bind	dn, password, mech, realm, authc_id, authz_id and props are nullable now.
	ldap_search	controls is nullable now; previously, it defaulted to [].
	ldap_set_rebind_proc	callback is nullable now.
	ldap_sort	This function has been removed.
	libxml_use_internal_errors	use_errors is nullable now. Previously, its default was false.
	mb_chr	現(xiàn)在 encoding 可以為 null。
	mb_convert_encoding	現(xiàn)在，當(dāng) to_encoding 為無效編碼時， mb_convert_encoding 會拋出 ValueError。
	mb_convert_encoding	現(xiàn)在 from_encoding 可以傳入 null。
	mb_convert_encoding	現(xiàn)在，當(dāng) from_encoding 為無效編碼時， mb_convert_encoding 會拋出 ValueError。
	mb_convert_kana	現(xiàn)在 encoding 可以為 null。
	mb_encode_mimeheader	charset 和 transfer_encoding 現(xiàn)在可以為空。
	mb_encode_numericentity	現(xiàn)在 encoding 可以為 null。
	mb_ereg	This function returns true on success now. Previously, it returned the byte length of the matched string if a match for pattern was found in string and matches was passed. If the optional parameter matches was not passed or the length of the matched string was 0, this function returned 1.
	mb_ereg_match	options is nullable now.
	mb_ereg_replace	options is nullable now.
	mb_ereg_replace_callback	options is nullable now.
	mb_ereg_search	pattern and options are nullable now.
	mb_ereg_search_init	pattern and options are nullable now.
	mb_ereg_search_pos	pattern and options are nullable now.
	mb_ereg_search_regs	pattern and options are nullable now.
	mb_eregi	This function returns true on success now. Previously, it returned the byte length of the matched string if a match for pattern was found in string and matches was passed. If the optional parameter matches was not passed or the length of the matched string was 0, this function returned 1.
	mb_eregi_replace	options is nullable now.
	mb_get_info	參數(shù) type 中的 "func_overload" 和 "func_overload_list" 不再被支持。
	mb_ord	現(xiàn)在 encoding 可以為 null。
	mb_regex_encoding	現(xiàn)在 encoding 可以為 null。
	mb_regex_set_options	options is nullable now.
	mb_regex_set_options	If the parameter options is given and not null, the previous options are returned. Formerly, the current options have been returned.
	mb_scrub	現(xiàn)在 encoding 可以為 null。
	mb_str_split	This function no longer returns false on failure.
	mb_str_split	現(xiàn)在 encoding 可以為 null。
	metaphone	The function returned false on failure.
	mhash	key is now nullable.
	msg_get_queue	On success, this function returns a SysvMessageQueue instance now; previously, a resource was returned.
	msg_receive	queue expects a SysvMessageQueue instance now; previously, a resource was expected.
	msg_remove_queue	queue expects a SysvMessageQueue instance now; previously, a resource was expected.
	msg_send	queue expects a SysvMessageQueue instance now; previously, a resource was expected.
	msg_set_queue	queue expects a SysvMessageQueue instance now; previously, a resource was expected.
	msg_stat_queue	queue expects a SysvMessageQueue instance now; previously, a resource was expected.
	odbc_columns	schema, table and column are now nullable.
	odbc_error	odbc is nullable now.
	odbc_errormsg	odbc is nullable now.
	odbc_exec	flags was removed.
	odbc_fetch_row	row is nullable now.
	odbc_procedurecolumns	Prior to this version, the function could only be called with either one or five arguments.
	odbc_procedures	Prior to this version, the function could only be called with either one or four arguments.
	odbc_tables	schema, table and types are now nullable.
	openssl_pkey_new	成功時此函數(shù)會返回 OpenSSLAsymmetricKey 的實例；在之前版本中，則會返回類似為 OpenSSL key 的 資源(resource)。
	openssl_sign	private_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a 資源(resource) of type OpenSSL key or OpenSSL X.509 was accepted.
	openssl_x509_verify	certificate accepts an OpenSSLCertificate instance now; previously, a 資源(resource) of type OpenSSL X.509 was accepted.
	openssl_x509_verify	public_key accepts an OpenSSLAsymmetricKey or OpenSSLCertificate instance now; previously, a 資源(resource) of type OpenSSL key or OpenSSL X.509 was accepted.
	pack	此函數(shù)不再在失敗時返回 false 。
	parse_str	result 是必須項。
	password_hash	參數(shù) algo 可以為 null。
	password_hash	失敗時 password_hash 不再返回 false。
	pg_version	connection is now nullable.
	sapi_windows_vt100_support	enable is now nullable.
	sem_acquire	semaphore expects a SysvSemaphore instance now; previously, a resource was expected.
	sem_get	On success, this function returns a SysvSemaphore instance now; previously, a resource was returned.
	sem_get	The type of auto_release has been changed from int to bool.
	sem_release	semaphore expects a SysvSemaphore instance now; previously, a resource was expected.
	sem_remove	semaphore expects a SysvSemaphore instance now; previously, a resource was expected.
	shm_attach	size is nullable now.
	shm_attach	On success, this function returns an SysvSharedMemory instance now; previously, a resource was returned.
	shm_detach	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shm_get_var	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shm_has_var	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shm_put_var	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shm_remove	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shm_remove_var	shm expects a SysvSharedMemory instance now; previously, a resource was expected.
	shmop_close	shmop expects a Shmop instance now; previously, a resource was expected.
	shmop_delete	shmop expects a Shmop instance now; previously, a resource was expected.
	shmop_open	On success, this function returns an Shmop instance now; previously, a resource was returned.
	shmop_read	shmop expects a Shmop instance now; previously, a resource was expected.
	shmop_size	shmop expects a Shmop instance now; previously, a resource was expected.
	shmop_write	Prior to PHP 8.0.0, false was returned on failure.
	shmop_write	shmop expects a Shmop instance now; previously, a resource was expected.
	socket_accept	成功時，該函數(shù)現(xiàn)在返回一個 Socket 實例；在此之前，返回值是一個 resource。
	socket_addrinfo_bind	On success, this function returns a Socket instance now; previously, a resource was returned.
	socket_addrinfo_bind	現(xiàn)在 address 是 AddressInfo 實例， 之前是 resource。
	socket_addrinfo_connect	現(xiàn)在 address 是 AddressInfo 實例， 之前是 resource。
	socket_addrinfo_connect	On success, this function returns a Socket instance now; previously, a resource was returned.
	socket_addrinfo_explain	現(xiàn)在 address 是 AddressInfo 實例， 之前是 resource。
	socket_addrinfo_lookup	service is nullable now.
	socket_addrinfo_lookup	On success, this function returns a array of AddressInfo instances now; previously, an array of resources was returned.
	socket_bind	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_clear_error	參數(shù) socket 可以為 null。
	socket_clear_error	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_close	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_connect	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_connect	port 允許為空。
	socket_create	創(chuàng)建成功時，該函數(shù)現(xiàn)在返回一個 Socket 實例； 在此之前，返回的是一個 resource。
	socket_create_listen	On success, this function returns a Socket instance now; previously, a resource was returned.
	socket_create_pair	pair is a reference to an array of Socket instances now; previously, it was a reference to an array of resources.
	socket_export_stream	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_get_option	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_getpeername	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_getsockname	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_import_stream	On success, this function returns a Socket instance now; previously, a resource was returned.
	socket_last_error	socket is nullable now.
	socket_last_error	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_listen	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_read	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_recv	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_recvfrom	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_recvmsg	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_send	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_sendmsg	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_sendto	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_sendto	port is nullable now.
	socket_set_block	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_set_nonblock	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_set_option	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_shutdown	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_write	length is nullable now.
	socket_write	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_wsaprotocol_info_export	現(xiàn)在 socket 是 Socket 實例， 之前是 resource。
	socket_wsaprotocol_info_import	On success, this function returns a Socket instance now; previously, a resource was returned.
	soundex	Prior to this version, calling the function with an empty string returned false for no particular reason.
	sprintf	此函數(shù)失敗時不再返回 false 。
	str_word_count	characters 可為空（Nullable）類型。
	stream_context_create	現(xiàn)在 options 和 params 可以為 null。
	stream_context_get_default	options is now nullable.
	stream_copy_to_stream	length is now nullable.
	stream_get_contents	現(xiàn)在 length 可以為 null。
	stream_socket_accept	現(xiàn)在 timeout 可以為 null。
	stream_socket_client	timeout and context are now nullable.
	stream_socket_enable_crypto	session_stream is now nullable.
	stream_socket_server	context is nullable now.
	substr	函數(shù)將返回一個空字符串, 在此之前返回 false 。
	substr	現(xiàn)在 length 允許為 null。
	substr_count	length 可以為空（nullable）。
	touch	mtime 和 atime 現(xiàn)在可以為空。
	uasort	如果 callback 接受引用傳遞參數(shù)，該方法將會拋出 E_WARNING。
	uksort	如果 callback 接受引用傳遞參數(shù)，該方法將會拋出 E_WARNING。
	usort	如果 callback 接受引用傳遞參數(shù)，該方法將會拋出 E_WARNING。
	vsprintf	此函數(shù)失敗時不再返回 false 。
	GlobIterator::__construct	Now throws a ValueError if directory is an empty string; previously it threw a RuntimeException.
	IntlTimeZone::getIDForWindowsID	region is now nullable.
	LimitIterator::__construct	Now throws a ValueError if limit is less than -1; previously it threw a RuntimeException.
	LimitIterator::__construct	Now throws a ValueError if offset is less than 0; previously it threw a RuntimeException.
	Locale::getDisplayLanguage	displayLocale is nullable now.
	Locale::getDisplayName	displayLocale is nullable now.
	Locale::getDisplayRegion	displayLocale is nullable now.
	Locale::getDisplayScript	displayLocale is nullable now.
	Locale::getDisplayVariant	displayLocale is nullable now.
	NumberFormatter::create	pattern is nullable now.
	Phar::addFile	localName 現(xiàn)在可以為空。
	Phar::buildFromIterator	baseDirectory is now nullable.
	Phar::compress	extension is now nullable.
	Phar::convertToData	format, compression, and extension are now nullable.
	Phar::convertToExecutable	format, compression, and localName are now nullable.
	Phar::createDefaultStub	index and webIndex are now nullable.
	Phar::decompress	extension is now nullable.
	Phar::getMetadata	The parameter unserializeOptions has been added.
	Phar::setDefaultStub	webIndex is nullable now.
	Phar::setSignatureAlgorithm	privateKey is now nullable.
	Phar::webPhar	fileNotFoundScript, mimeTypes and rewrite are nullable now.
	PharData::addFile	localName is now nullable.
	PharData::buildFromIterator	baseDirectory is now nullable.
	PharData::compress	extension is now nullable.
	PharData::convertToData	format, compression, and extension are now nullable.
	PharData::convertToExecutable	format, compression, and localName are now nullable.
	PharData::decompress	extension is now nullable.
	PharData::setDefaultStub	webIndex is nullable now.
	PharData::setSignatureAlgorithm	privateKey is now nullable.
	PharFileInfo::getMetadata	The parameter unserializeOptions has been added.
	PharFileInfo::isCompressed	compression is now nullable.
	RecursiveDirectoryIterator::__construct	Now throws a ValueError if directory is an empty string; previously it threw a RuntimeException.
	RecursiveIteratorIterator::getSubIterator	level is now nullable.
	ReflectionClass::getConstants	添加 filter 。
	ReflectionClass::getReflectionConstants	filter has been added.
	ReflectionParameter::getDefaultValue	This method now allows getting the default value of parameters of built-in functions and built-in class methods. Previously, a ReflectionException was thrown.
	ReflectionParameter::getDefaultValueConstantName	This method now allows getting the default values' constant names of built-in functions and built-in class methods. Previously, a ReflectionException was thrown.
	ReflectionProperty::getValue	object is nullable now.
	ReflectionProperty::isInitialized	object is nullable now.
	SimpleXMLElement::asXML	filename is nullable now.
	SoapClient::__doRequest	The type of oneWay is bool now; formerly it was int.
	SoapClient::__setCookie	value is now nullable.
	SoapServer::handle	request is now nullable.
	SplFileInfo::getFileInfo	class is now nullable.
	SplFileInfo::getPathInfo	class is now nullable.
	SplFileInfo::openFile	context is now nullable.
	SplFixedArray::__construct	Now throws a ValueError if size is a negative; previously it threw a InvalidArgumentException.
	tidy::__construct	filename, config, encoding and useIncludePath are nullable now.
	tidy::parseFile	config and encoding are nullable now.
	tidy::parseString	config and encoding are nullable now.
	tidy::repairFile	config and encoding are nullable now.
	tidy::repairFile	tidy::repairFile is a static method now.
	tidy::repairString	This function no longer accepts the useIncludePath parameter.
	tidy::repairString	config and encoding are nullable now.
	tidy::repairString	tidy::repairString is a static method now.
	XMLReader::getAttribute	This function can no longer return false.
	XMLReader::getAttributeNs	This function can no longer return false.
	XMLReader::lookupNamespace	This function can no longer return false.
	XMLReader::next	name is nullable now.
	XMLReader::open	XMLReader::open is now declared as static method, but can still be called on an XMLReader instance.
	XMLReader::XML	XMLReader::XML is now declared as static method, but can still be called on an XMLReader instance.
	XMLWriter::endAttribute	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::endCdata	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::endComment	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::endDocument	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::endDtd	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::endDtdAttlist	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::endDtdElement	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::endDtdEntity	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::endElement	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::endPi	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::flush	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::flush	This function can no longer return false.
	XMLWriter::fullEndElement	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::openMemory	This function returns now an XMLWriter instance on success. Previouly, a 資源(resource) has been returned in this case.
	XMLWriter::openUri	This function returns now an XMLWriter instance on success. Previouly, a 資源(resource) has been returned in this case.
	XMLWriter::outputMemory	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::setIndent	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::setIndentString	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startAttribute	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startAttributeNs	prefix is nullable now.
	XMLWriter::startAttributeNs	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startCdata	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startComment	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startDocument	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startDtd	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startDtdAttlist	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startDtdElement	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startDtdEntity	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startElement	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startElementNs	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::startPi	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::text	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writeAttribute	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writeAttributeNs	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writeCdata	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writeComment	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writeDtd	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writeDtdAttlist	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writeDtdElement	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writeDtdEntity	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writeDtdEntity	publicId, systemId and notationData are nullable now.
	XMLWriter::writeElement	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writeElementNs	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writePi	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
	XMLWriter::writeRaw	現(xiàn)在 writer 需要 XMLWriter 實例， 之前需要的是 resource。
7.4.4	proc_open	為 other_options 參數(shù)增加 create_new_console 選項。
7.4.0	array_merge	允許不帶參數(shù)調(diào)用，之前版本至少需要一個參數(shù)。
	array_merge_recursive	允許不傳遞參數(shù)調(diào)用，之前的版本中至少需要一個參數(shù)。
	get_magic_quotes_gpc	該函數(shù)已被廢棄。
	gzread	This functions returns false on failure now; previously 0 was returned.
	gzwrite	This functions returns false on failure now; previously 0 was returned.
	hash_algos	支持 crc32c。
	idn_to_ascii	現(xiàn)在 variant 的默認值為 INTL_IDNA_VARIANT_UTS46 ， 而不是已棄用的 INTL_IDNA_VARIANT_2003 。
	idn_to_utf8	現(xiàn)在 variant 的默認值為 INTL_IDNA_VARIANT_UTS46 ， 而不是已棄用的 INTL_IDNA_VARIANT_2003 。
	imagecropauto	The behavior of imagecropauto() in the bundled libgd has been synced with that of system libgd: IMG_CROP_DEFAULT no longer falls back to IMG_CROP_SIDES and threshold-cropping now uses the same algorithm as system libgd.
	imagecropauto	The default value of mode has been changed to IMG_CROP_AUTO. Formerly, the default value has been -1 which corresponds to IMG_CROP_DEFAULT, but passing -1 is now deprecated.
	implode	在 array 之后傳遞 separator （即：使用遺留寫法）已被廢棄。
	ldap_control_paged_result	This function has been deprecated.
	ldap_control_paged_result_response	This function has been deprecated.
	password_hash	現(xiàn)在 algo 參數(shù)可支持 string 類型，但為了向后兼容也支持 int 類型。
	password_hash	擴展 sodium 提供了 Argon2 密碼的替代實現(xiàn)。
	password_needs_rehash	現(xiàn)在 algo 參數(shù)可以支持 string 類型，但為了向后兼容性，同時支持 int 類型。
	preg_replace_callback	新增 flags 參數(shù)。
	preg_replace_callback_array	The flags parameter was added.
	proc_open	為 other_options 參數(shù)增加 create_process_group 選項。
	proc_open	proc_open 的 cmd 參數(shù)現(xiàn)在也允許數(shù)組類型。
	Locale::lookup	defaultLocale is nullable now.
	SplFileObject::fgetcsv	The escape parameter now also accepts an empty string to disable the proprietary escape mechanism.
	SplFileObject::fputcsv	The escape parameter now also accepts an empty string to disable the proprietary escape mechanism.
	SplFileObject::fwrite	The function now returns false instead of zero on failure.
	SplFileObject::getCsvControl	The escape character can now be an empty string.
	SplFileObject::setCsvControl	The escape parameter now also accepts an empty string to disable the proprietary escape mechanism.
	SQLite3Stmt::bindParam	param now also supports the @param notation.
	SQLite3Stmt::bindValue	param now also supports the @param notation.
7.3.24, 7.4.12	tidyNode::isHtml	This function has been fixed to have reasonable behavior. Previously, almost any node was reported as being an HTML node.
7.3.14, 7.4.2	dba_open	The lmdb driver now supports an additional $mapsize parameter.
7.3.0	apache_request_headers	此函數(shù)可用于 FPM SAPI 模式。
	array_push	可以只用一個參數(shù)來調(diào)用此函數(shù)，之前版本中至少需要兩個參數(shù)。
	array_unshift	現(xiàn)在可以只用一個參數(shù)來調(diào)用，之前至少需要兩個參數(shù)。
	bcmul	現(xiàn)在 bcmul 可以按想要的小數(shù)點位數(shù)返回數(shù)字。 而之前，返回的數(shù)字會忽略尾隨零（trailing decimal zeroes）。
	bcpow	現(xiàn)在 bcpow 可以按想要的小數(shù)點位數(shù)返回數(shù)字。 而之前，返回的數(shù)字會忽略尾隨零（trailing decimal zeroes）。
	bcscale	現(xiàn)在 bcscale 不僅可以設(shè)置，還可以獲取當(dāng)前的小數(shù)點保留位數(shù)。 用于設(shè)置的時候，現(xiàn)在會返回之前的位數(shù)。 之前 scale 是強制的參數(shù)， 且 bcscale 總是返回 true。
	compact	現(xiàn)在，如果字符串指向的變量未定義，compact 會產(chǎn)生 E_NOTICE 級錯誤。 在此之前，此類問題會靜默忽略掉。
	define	廢棄了 case_insensitive，并將在 8.0.0 版中移除。
	ftp_nb_fget	參數(shù) mode 變?yōu)榭蛇x參數(shù)。 在之前的版本中，這是一個必填參數(shù)。
	ftp_nb_fput	參數(shù) mode 變?yōu)榭蛇x參數(shù)。 在之前的版本中，這是一個必填參數(shù)。
	ftp_nb_get	mode 參數(shù)變?yōu)榭蛇x，之前是強制性的。
	ftp_nb_put	mode 參數(shù)為可選，之前版本中為必填。
	ftp_put	mode 參數(shù)為可選，之前版本中為必選。
	getallheaders	該函數(shù)可以在 FPM SAPI 中使用。
	is_countable	is_countable has been added.
	json_decode	JSON_THROW_ON_ERROR options was added.
	json_encode	options 參數(shù)新增 JSON_THROW_ON_ERROR 常量。
	list	支持在數(shù)組解構(gòu)時傳引用。
	password_hash	增加 PASSWORD_ARGON2ID，支持 Argon2id 密碼算法。
	preg_quote	字符 # 被增加為需要轉(zhuǎn)義的。
	session_set_cookie_params	增加 options 參數(shù)， 可以通過傳入一個關(guān)聯(lián)數(shù)組對各個選項進行設(shè)置。 同時，通過使用這個參數(shù)還可以對 SameSite cookie 進行設(shè)置。
	setcookie	An alternative signature supporting an options array has been added. This signature supports also setting of the SameSite cookie attribute.
	unlink	現(xiàn)在 Windows 也可以用 unlink 刪除文件句柄還在使用中的文件了，在此之前是無法刪除的。 然而，還是無法重新創(chuàng)建文件，需要等到所有句柄都關(guān)閉才可以。
	var_export	現(xiàn)在將 stdClass 對象作為數(shù)組類型轉(zhuǎn)換為對象輸出（ (object) array( ... )），而不是使用不存在的 stdClass::__setState 方法。實際效果是，現(xiàn)在 stdClass 是可輸出的，生成的代碼甚至可以在早期的 PHP 版本上運行。
7.3	ldap_add	Support for controls added
	ldap_compare	Support for controls added
	ldap_delete	Support for controls added
	ldap_exop	Support for serverctrls added
	ldap_exop_passwd	Support for controls added
	ldap_list	Support for controls added
	ldap_mod_add	Support for controls added
	ldap_mod_del	Support for controls added
	ldap_mod_replace	Support for controls added
	ldap_modify_batch	Support for controls added
	ldap_mod_add_ext	Support for controls added
	ldap_mod_del_ext	Support for controls added
	ldap_mod_replace_ext	Support for controls added
	ldap_parse_result	Support for controls added
	ldap_read	Support for controls added
	ldap_rename	Support for controls added
	ldap_rename_ext	Support for controls added
	ldap_search	Support for controls added
7.2.19, 7.3.6, 7.4.0	DatePeriod::__construct	recurrences must be greater than 0 now.
7.2.19, 7.3.6	SplFileObject::__toString	Changed from an alias of SplFileObject::current to an alias of SplFileObject::fgets.
7.2.18, 7.3.5	substr_compare	offset 現(xiàn)在可能等于 main_str。
7.2.0	array_unique	如果 flags 是 SORT_STRING， 之前會復(fù)制 array 并移除非唯一數(shù)組（之后并不打包數(shù)組）， 現(xiàn)在是通過添加唯一元素來生成新數(shù)組。這可能會導(dǎo)致不同的數(shù)字索引。
	bcmod	新增參數(shù) scale。
	bcmod	現(xiàn)在 num1 和 num2 不會截斷成整數(shù)。 所以現(xiàn)在 bcmod 的表現(xiàn)更接近 fmod 而不是 % 操作符。
	count	當(dāng) value 參數(shù)傳入了無效的 countable 類型， count 現(xiàn)在會產(chǎn)生警告。
	date_parse	返回數(shù)組的 zone 鍵現(xiàn)在代表秒，而不是分鐘。 并且正負符號已反轉(zhuǎn)，例如：之前是 -120 現(xiàn)在是 7200。
	date_parse_from_format	The zone element of the returned array represents seconds instead of minutes now, and its sign is inverted. For instance -120 is now 7200.
	exif_read_data	file 參數(shù)現(xiàn)在起支持本地文件和流式資源。
	exif_read_data	新增了以下 EXIF 格式的支持： Samsung DJI Panasonic Sony Pentax Minolta Sigma/Foveon AGFA Kyocera Ricoh Epson
	gettype	現(xiàn)在，已關(guān)閉的資源報告為 'resource (closed)'。 此前，已關(guān)閉的資源報告為 'unknown type'。
	hash_copy	接受的參數(shù)以及返回值從資源類型修改為 HashContext 對象類型。
	hash_final	接收參數(shù)從資源類型修改為 HashContext 對象類型。
	hash_hmac	不再支持非加密的哈希函數(shù)（adler32，crc32，crc32b，fnv132，fnv1a32，fnv164，fnv1a64，joaat）。
	hash_hmac_file	不再支持非加密的哈希函數(shù)（adler32，crc32，crc32b，fnv132，fnv1a32，fnv164，fnv1a64，joaat）。
	hash_init	返回 HashContext 對象，不再返回資源類型。
	hash_init	當(dāng)使用 HASH_HMAC 選項的時候，不再支持非加密的哈希函數(shù)（adler32，crc32，crc32b，fnv132，fnv1a32，fnv164，fnv1a64，joaat）。
	hash_pbkdf2	不再支持非加密的哈希函數(shù)（adler32，crc32，crc32b，fnv132，fnv1a32，fnv164，fnv1a64，joaat）。
	hash_update	接收參數(shù)從資源類型修改為 HashContext 對象類型。
	hash_update_file	接收參數(shù)從資源類型修改為 HashContext 對象類型。
	hash_update_stream	接收參數(shù)從資源類型修改為 HashContext 對象類型。
	idn_to_ascii	INTL_IDNA_VARIANT_2003 已被棄用； 可以使用 INTL_IDNA_VARIANT_UTS46 代替。
	idn_to_utf8	INTL_IDNA_VARIANT_2003 已被棄用； 可以使用 INTL_IDNA_VARIANT_UTS46 代替。
	json_decode	JSON_INVALID_UTF8_IGNORE, and JSON_INVALID_UTF8_SUBSTITUTE options were added.
	json_encode	options 參數(shù)新增 JSON_INVALID_UTF8_IGNORE 和 JSON_INVALID_UTF8_SUBSTITUTE 常量。
	mail	現(xiàn)在 additional_headers 參數(shù)開始支持 array。
	mb_convert_encoding	現(xiàn)在該函數(shù)的 string 參數(shù)同時能接受 array 類型。 在此之前，僅支持 string。
	number_format	number_format 現(xiàn)在無法返回 -0，之前可能返回 -0，因為 number 可能會是 -0.01。
	openssl_pkcs7_verify	新增 p7bfilename 參數(shù)。
	pack	float 和 double 類型支持大端和小端。
	parse_str	不帶第二個參數(shù)的情況下使用 parse_str 會產(chǎn)生 E_DEPRECATED 警告。
	password_hash	增加 PASSWORD_ARGON2I，支持 Argon2i 密碼算法。
	preg_match	現(xiàn)在 $flags 參數(shù)支持 PREG_UNMATCHED_AS_NULL。
	preg_match_all	現(xiàn)在 $flags 參數(shù)可以支持 PREG_UNMATCHED_AS_NULL。
	proc_nice	在 Windows 平臺上可用。
	read_exif_data	這個函數(shù)別名被廢棄。
	session_abort	The return type of this function is bool now. Formerly, it has been void.
	session_module_name	不允許設(shè)置模塊名稱為 "user"。 在之前的版本中，如果設(shè)置為 "user"，那么會被靜默的忽略到。
	session_name	session_name 函數(shù)會檢查會話狀態(tài)， 之前的版本僅僅檢查 cookie 狀態(tài)。 所以，舊版本的 PHP 允許你在調(diào)用 session_start 函數(shù)之后再調(diào)用 session_name 函數(shù)， 新版本的 PHP 不再允許這樣做了。
	session_reset	The return type of this function is bool now. Formerly, it has been void.
	session_set_cookie_params	成功時返回 true， 或者在失敗時返回 false。 之前版本中是返回 void 的。
	session_write_close	The return type of this function is bool now. Formerly, it has been void.
	unpack	float and double types supports both Big Endian and Little Endian.
	utf8_decode	This function has been moved from the XML extension to the core of PHP. In previous versions, it was only available if the XML extension was installed.
	utf8_encode	This function has been moved from the XML extension to the core of PHP. In previous versions, it was only available if the XML extension was installed.
	SQLite3::openBlob	The flags parameter has been added, allowing to write BLOBs; formerly only reading was supported.
7.1.5	IntlDateFormatter::format	Support for providing general DateTimeInterface objects to the datetime parameter was added. Formerly, only proper DateTime objects were supported.
7.1.4	PDO::sqliteCreateFunction	The flags parameter has been added.
	SQLite3::createFunction	The flags parameter has been added.
7.1.0	DateInterval::format	The F and f format characters were added.
	DateTime::setTime	新增 microsecond 參數(shù)。
	array_rand	內(nèi)部隨機化算法已從 libc rand 函數(shù)更改為使用 梅森旋轉(zhuǎn)算法（Mersenne Twister） 隨機數(shù)生成器。
	file_get_contents	支持負數(shù) offset。
	getenv	現(xiàn)在可以省略 varname 來檢索所有環(huán)境變量的關(guān)聯(lián)數(shù)組 array。
	getopt	添加 rest_index 參數(shù)。
	grapheme_extract	Support for negative offsets has been added.
	grapheme_stripos	Support for negative offsets has been added.
	grapheme_strpos	Support for negative offsets has been added.
	hash_algos	加入 sha512/224，sha512/256，sha3-224，sha3-256，sha3-384 以及 sha3-512 算法的支持。
	iconv_strpos	Support for negative offsets has been added.
	json_decode	An empty JSON key ("") can be encoded to the empty object property instead of using a key with value _empty_.
	json_encode	options 參數(shù)新增 JSON_UNESCAPED_LINE_TERMINATORS 常量。
	json_encode	對 Double 的值進行編碼時，使用 serialize_precision 代替 precision。
	list	現(xiàn)在可以指定 list 中的鍵。 這就可以解構(gòu)非數(shù)字鍵或者無順序的數(shù)組。
	long2ip	參數(shù) proper_address 的類型從 string 改成 integer。
	mb_ereg	mb_ereg will now set matches to an empty array, if nothing matched. Formerly, matches was not modified in that case.
	mb_ereg_replace	The e modifier has been deprecated.
	mb_ereg_replace	The function checks whether string is valid for the current encoding.
	mb_ereg_replace_callback	The function checks whether string is valid for the current encoding.
	mb_ereg_search_setpos	Support for negative offsets has been added.
	mb_eregi	mb_eregi will now set matches to an empty array, if nothing matched. Formerly, matches was not modified in that case.
	mb_eregi_replace	The function checks whether string is valid for the current encoding.
	mb_eregi_replace	The e modifier has been deprecated.
	mb_strimwidth	支持負數(shù)的 start 和 width。
	mb_stripos	支持 offset 使用負數(shù)。
	mb_strpos	支持負數(shù)的 offset。
	openssl_decrypt	添加了 tag 和 aad 參數(shù)。
	openssl_encrypt	增加了 tag、aad、tag_length 參數(shù)
	openssl_pkey_new	添加了 curve_name 配置參數(shù)使得可以創(chuàng)建 EC 密鑰。
	session_start	當(dāng) session_start 執(zhí)行失敗， 無法開始一個會話的時候，會返回 false， 并且不會初始化超級變量 $_SESSION。
	shuffle	內(nèi)置的隨機數(shù)產(chǎn)生算法從 libc rand 函數(shù)改成梅森旋轉(zhuǎn)偽隨機數(shù)生成算法。
	str_shuffle	內(nèi)置的隨機算法從 libc rand 函數(shù)改成了梅森旋轉(zhuǎn)演偽隨機數(shù)發(fā)生算法。
	stripos	開始支持負數(shù)的 offset。
	strpos	開始支持負數(shù)的 offset。
	substr_count	開始支持負數(shù)的 offset 和 length。
	unpack	The optional offset has been added.
	ReflectionType::__toString	ReflectionType::__toString has been deprecated.
	SessionHandler::gc	Prior to this version, the function returned true on success.
	SessionHandlerInterface::gc	Prior to this version, the function returned true on success.
7.1	DateTime::__construct	微秒部分不再是 '00000' 了，而是真實的微秒數(shù)據(jù)。
7.0.15,7.1.1	pack	添加了 “e”,“E”,“g” 和 “G” 代碼以啟用 float 和 double 的字節(jié)順序支持。
7.0.11	iconv_substr	如果 str 等長于 offset 個字符， 將返回空字符串。之前的版本里，這種情況是會返回 false 的。
7.0.10	SplFileObject::getCsvControl	Added the escape character to the returned array.
	SQLite3::__construct	The filename can now be empty to use a private, temporary on-disk database.
7.0.7	curl_setopt	引入 CURL_HTTP_VERSION_2、 CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE、 CURL_HTTP_VERSION_2TLS、 CURL_REDIR_POST_301、 CURL_REDIR_POST_302、 CURL_REDIR_POST_303、 CURL_REDIR_POST_ALL、 CURL_VERSION_KERBEROS5、 CURL_VERSION_PSL、 CURL_VERSION_UNIX_SOCKETS、 CURLAUTH_NEGOTIATE、 CURLAUTH_NTLM_WB、 CURLFTP_CREATE_DIR、 CURLFTP_CREATE_DIR_NONE、 CURLFTP_CREATE_DIR_RETRY、 CURLHEADER_SEPARATE、 CURLHEADER_UNIFIED、 CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE、 CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE、 CURLMOPT_MAX_HOST_CONNECTIONS、 CURLMOPT_MAX_PIPELINE_LENGTH、 CURLMOPT_MAX_TOTAL_CONNECTIONS、 CURLOPT_CONNECT_TO、 CURLOPT_DEFAULT_PROTOCOL、 CURLOPT_DNS_INTERFACE、 CURLOPT_DNS_LOCAL_IP4、 CURLOPT_DNS_LOCAL_IP6、 CURLOPT_EXPECT_100_TIMEOUT_MS、 CURLOPT_HEADEROPT、 CURLOPT_LOGIN_OPTIONS、 CURLOPT_PATH_AS_IS、 CURLOPT_PINNEDPUBLICKEY、 CURLOPT_PIPEWAIT、 CURLOPT_PROXY_SERVICE_NAME、 CURLOPT_PROXYHEADER、 CURLOPT_SASL_IR、 CURLOPT_SERVICE_NAME、 CURLOPT_SSL_ENABLE_ALPN、 CURLOPT_SSL_ENABLE_NPN、 CURLOPT_SSL_FALSESTART、 CURLOPT_SSL_VERIFYSTATUS、 CURLOPT_STREAM_WEIGHT、 CURLOPT_TCP_FASTOPEN、 CURLOPT_TFTP_NO_OPTIONS、 CURLOPT_UNIX_SOCKET_PATH、 CURLOPT_XOAUTH2_BEARER、 CURLPROTO_SMB、 CURLPROTO_SMBS、 CURLPROXY_HTTP_1_0、 CURLSSH_AUTH_AGENT 和 CURLSSLOPT_NO_REVOKE。
7.0.0	assert	assert is now a language construct and not a function. assertion can now be an expression. The second parameter is now interpreted either as an exception (if a Throwable object is given), or as the description supported from PHP 5.4.8 onwards.
	define	允許 array 的值。
	dirname	添加可選的 levels 參數(shù)。
	getrusage	此函數(shù)現(xiàn)在開始支持 Windows。
	json_decode	An empty PHP string or value that after casting to string is an empty string (NULL, FALSE) results in JSON syntax error.
	json_decode	Rejected RFC 7159 incompatible number formats - top level (07, 0xff, .1, -.1) and all levels ([1.], [1.e1])
	mktime	is_dst參數(shù)已經(jīng)被移除。
	openssl_open	添加了 iv 參數(shù)
	openssl_seal	添加 iv 變量。
	session_start	新加 options 參數(shù)。
5.6.5	crypt	When the failure string "*0" is given as the salt, "*1" will now be returned for consistency with other crypt implementations. Prior to this version, PHP 5.6 would incorrectly return a DES hash.
5.6.0	crypt	Raise E_NOTICE security warning if salt is omitted.
	htmlentities	The default value for the encoding parameter was changed to be the value of the default_charset configuration option.
	htmlspecialchars	The default value for the encoding parameter was changed to be the value of the default_charset configuration option.
	json_decode	Invalid non-lowercased variants of the true, false and null literals are no longer accepted as valid input, and will generate warnings.
	ReflectionClass::newInstanceWithoutConstructor	All internal classes can now be instantiated except for those declared final.
5.5.38, 5.6.24, 7.0.9	getenv	添加 local_only 參數(shù)。
5.5.21	crypt	When the failure string "*0" is given as the salt, "*1" will now be returned for consistency with other crypt implementations. Prior to this version, PHP 5.5 (and earlier branches) would incorrectly return a DES hash.
5.5.1	hex2bin	如果輸入的字符串是無效的十六進制字符串則拋出一個警告，
5.5.0/PECL 3.0.0	IntlDateFormatter::create	An IntlCalendar object is allowed for calendar. Objects of type IntlTimeZone and DateTimeZone are allowed for timezone. Invalid timezone identifiers (including empty strings) are no longer allowed for timezone. If null is given for timezone, the timezone identifier given by date_default_timezone_get will be used instead of ICU?s default.
	IntlDateFormatter::setCalendar	It became possible to pass an IntlCalendar object.
5.5.0	empty	empty 現(xiàn)在支持表達式了，而不僅僅是變量。
	ip2long	Prior to this version, on Windows ip2long would sometimes return a valid number even if passed a value which was not an (IPv4) Internet Protocol dotted address.
		此函數(shù)會生成一個 E_DEPRECATED 錯誤。
		mysql_list_dbs 函數(shù)已廢棄，調(diào)用時會拋出 E_DEPRECATED 級別的錯誤。
		函數(shù)會拋出一個 E_DEPRECATED 錯誤。
		mysql_tablename 函數(shù)已廢棄，調(diào)用時會拋出 E_DEPRECATED 級別的錯誤。
	setrawcookie	發(fā)送給客戶端的 Set-Cookie 頭現(xiàn)在會加上 Max-Age 屬性。
5.4.43, 5.5.27, 5.6.11	escapeshellcmd	感嘆號會被空格所替換。
5.4.32, 5.5.16	ucwords	增加了 delimiters 參數(shù)。
5.4.8	assert	增加了參數(shù) description。 description 現(xiàn)在也作為第四個參數(shù)提供給 ASSERT_CALLBACK 模式里的回調(diào)函數(shù)。
	mb_strcut	Passing NULL as length extracts all bytes to the end of the string. Prior to this version NULL was treated the same as 0.
	mb_substr	length 傳入 NULL，則從 start 提取到字符串的結(jié)尾處。 在之前的版本里， NULL 會被當(dāng)作 0 來處理。
5.4.7	parse_url	修復(fù)了 host 在 協(xié)議 省略時的識別。
5.4.4	hex2bin	如果輸入的字符串有多余將拋出異常。 PHP 5.4.0 起字符串將被靜默地接受，但是最后的字節(jié)會被截斷。
5.4.0	date_default_timezone_get	不再根據(jù)操作系統(tǒng)的信息來推測時區(qū)，因為這是不可靠的。
	date_default_timezone_get	不再使用 TZ 來推測時區(qū)。
	dns_get_record	增加了參數(shù)raw。
	empty	檢查非數(shù)字的字符串偏移量會返回 true.
	filter_input_array	添加 add_empty 參數(shù).
	filter_var_array	添加 add_empty 參數(shù)。
	get_html_translation_table	The constants ENT_HTML401, ENT_XML1, ENT_XHTML and ENT_HTML5 were added.
	get_html_translation_table	The default value for the encoding parameter was changed to UTF-8.
	get_magic_quotes_runtime	總是返回 false，因為魔術(shù)引號（magic quotes）功能已經(jīng)從 PHP 中移除。
	htmlentities	encoding 參數(shù)的默認值改成 UTF-8。
	htmlentities	增加常量 ENT_SUBSTITUTE、 ENT_DISALLOWED、 ENT_HTML401、 ENT_XML1、 ENT_XHTML、 ENT_HTML5。
	htmlspecialchars	encoding 參數(shù)的默認值改成 UTF-8。
	htmlspecialchars	增加常量 ENT_SUBSTITUTE、 ENT_DISALLOWED、 ENT_HTML401、 ENT_XML1、 ENT_XHTML、 ENT_HTML5。
	htmlspecialchars_decode	增加了 ENT_HTML401、ENT_XML1、 ENT_XHTML 和 ENT_HTML5 等常量。
	http_build_query	加入了 enc_type 參數(shù)。
	iconv	這個版本起，字符非法時候會返回 false，除非在輸出字符里指定了 //IGNORE 。 在之前版本，它會返回一部分字符串。
	imagewebp	支持把 resource 流作為 to 參數(shù)傳入。
	json_decode	The options parameter was added.
	json_decode	JSON_BIGINT_AS_STRING, and JSON_OBJECT_AS_ARRAY options were added.
	number_format	This function now supports multiple bytes in dec_point and thousands_sep. Only the first byte of each separator was used in older versions.
	openssl_decrypt	將 raw_output 更改至 options。
	scandir	sorting_order now accepts constants. Any nonzero value caused descending order in previous versions.
5.3.9	DateTime::createFromFormat	新增 format 格式字符串中對于 + 格式字符的支持。
5.3.7	crypt	Added $2x$ and $2y$ Blowfish modes to deal with potential high-bit attacks.
5.3.4	get_html_translation_table	The encoding parameter was added.
	rawurlencode	因為 rawurlencode 使用了 EBCDIC，所以波浪線字符不會再被編碼。
	strip_tags	strip_tags ignores self-closing XHTML tags in allowable_tags.
5.3.3	openssl_decrypt	添加 iv 參數(shù)。
	parse_url	在 URL 解析失敗時將不會產(chǎn)生 E_WARNING 級別的錯誤。
5.3.2	crypt	修正了 Blowfish 算法由于非法循環(huán)導(dǎo)致的問題，返回“失敗”字符串（“*0” 或 “*1”）而不是轉(zhuǎn)而使用 DES 算法。
	crypt	基于 Ulrich Drepper 的實現(xiàn)，新增基于 SHA-256 算法和 SHA-512 算法的 crypt。
	flock	在文件資源句柄關(guān)閉時不再自動解鎖。現(xiàn)在要解鎖必須手動進行。
5.3.1	get_defined_constants	僅作用于 Windows：內(nèi)核常量歸類到 Core，之前是 mhash。
5.3.0 起	get_class	object 默認參數(shù)現(xiàn)在是 null ，所以，現(xiàn)在傳入 null 到 object 參數(shù)時，和沒傳參數(shù)的結(jié)果一樣。
5.3.0	DateTime::__construct	如果 time 參數(shù)不是一個有效的 日期/時間格式， 會拋出異常。 在之前的版本中是會發(fā)出一個錯誤。
	DateTimeZone::listIdentifiers	添加可選的 what 和 country 參數(shù)。
	acosh	This function is now available on all platforms
	asinh	此函數(shù)在所有平臺上均可用
	atanh	此函數(shù)在所有平臺上都可以用了
	checkdnsrr	這個函數(shù)在Windows平臺上也可以使用了。
	clearstatcache	增加了可選的 clear_realpath_cache 和 filename 參數(shù).
	crypt	PHP 現(xiàn)在包含了它自己的 MD5 Crypt 實現(xiàn)，包括標(biāo)準 DES 算法，擴展的 DES 算法以及 Blowfish 算法。如果系統(tǒng)缺乏相應(yīng)的實現(xiàn)，那么 PHP 將使用它自己的實現(xiàn)。
	date_default_timezone_set	現(xiàn)在會拋出 E_WARNING 而不是 E_STRICT。
	dns_get_record	可以是在windows平臺上使用這個函數(shù)了。
	dns_get_record	在此版本之前，如果給參數(shù)authns傳入值，則必須同時傳入addtl的值。
	expm1	此函數(shù)在所有平臺上均可用
	fgetcsv	增加了 escape 參數(shù)。
	fnmatch	此函數(shù)開始在 Windows 平臺上生效。
	func_get_arg	If this function is called from the outermost scope of a file which has been included by calling include or require from within a function in the calling file, it now generates a warning and returns false. （不知道如何翻譯跟好，直接參考例2即可明白）
	func_get_arg	該函數(shù)可以在參數(shù)列表中使用。
	func_get_args	If this function is called from the outermost scope of a file which has been included by calling include or require from within a function in the calling file, it now generates a warning and returns false. （不知道如何翻譯跟好，直接參考例2即可明白）
	func_get_args	該函數(shù)可以在參數(shù)列表中使用。
	func_num_args	This function can now be used in parameter lists.
	func_num_args	If this function is called from the outermost scope of a file which has been included by calling include or require from within a function in the calling file, it now generates a warning and returns -1.
	get_cfg_var	get_cfg_var 被修復(fù)，能夠返回 "array" 的 ini 選項。
	get_defined_constants	內(nèi)核常量歸類為 Core，之前是 internal。在 Windows 上，內(nèi)核常量歸類到 mhash。
	get_object_vars	This function now returns NULL if the object isn't an object.
	getimagesize	Added icon support.
	getmxrr	Windows 平臺上也能用這個函數(shù)了。
	htmlentities	增加常量 ENT_IGNORE。
	htmlspecialchars	增加常量 ENT_IGNORE。
	imagecolorclosesthwb	在 Windows 平臺上可用
	imagefilter	Pixelation support (IMG_FILTER_PIXELATE) was added.
	ini_get	當(dāng)配置項不存在，之前會返回空字符串，現(xiàn)在會返回 false。
	ini_get_all	增加參數(shù) details。
	json_decode	Added the optional depth. The default recursion depth was increased from 128 to 512
	link	該功能在 Windows 平臺下開始有效（Vista、 Server 2008 或更高版本）。
	linkinfo	Windows 平臺上開始可用（Vista、Server 2008 或更高版本）。
	log1p	此函數(shù)在所有平臺上均可用
	mktime	mktime now throws E_DEPRECATED notice if the is_dst parameter is used.
	nl2br	新增可選的 is_xhtml 參數(shù)。在此之前，總是插入 '<br />'。
	openssl_open	添加了 method 參數(shù)
	openssl_seal	添加 method 變量。
	property_exists	This function checks the existence of a property independent of accessibility.
	rawurlencode	現(xiàn)在符合了RFC 3986。
	readlink	此函數(shù)在 Windows 平臺下可用（Vista、Server 2008 或更高版本）。
	session_start	如果函數(shù)調(diào)用失敗返回 false， 之前版本返回了 true。
	setlocale	This function now throws an E_DEPRECATED notice if a string is passed to the category parameter instead of one of the LC_* constants.
	spl_autoload_register	引入了命名空間的支持。
	spl_autoload_register	添加了 prepend 參數(shù)。
	stristr	新增可選的 before_needle 參數(shù)。
	strstr	新增可選的 before_needle 參數(shù)。
	symlink	此函數(shù)在 Windows 平臺上可用（Vista、Server 2008 或更高版本）。
	time_nanosleep	至此之后該函數(shù)在Windows平臺下可用。
	time_sleep_until	自此，函數(shù)在Windows平臺可用。
5.2.11	get_defined_constants	categorize 參數(shù)現(xiàn)在可以合適得被處理。 在此之前，categorize 被解釋為 !is_null($categorize)，導(dǎo)致任何非 null 的值會強制常量分類。
5.2.10	ip2long	再此之前的版本, ip2long 有時會返回即使這不是一個IPV4的標(biāo)準地址的數(shù)字地址。
5.2.6	fopen	增加了選項 'c' 和 'c+'
5.2.5	addcslashes	The escape sequences \v and \f were added.
	imagefilter	Alpha support for IMG_FILTER_COLORIZE was added.
5.2.4	checkdnsrr	增加了TXT的記錄類型。
5.2.3	getimagesize	Read errors generated by this function downgraded to E_NOTICE from E_WARNING.
	htmlentities	增加參數(shù) double_encode。
	htmlspecialchars	增加參數(shù) double_encode。
	json_decode	The nesting limit was increased from 20 to 128
	PDOStatement::getColumnMeta	table 字段
5.2.2	ftp_ssl_connect	以前版本中，如果無法使用 SSL 連接，將會返回一個非 SSL 的連接， 在 5.2.2 版本中修改為返回 false
	phpinfo	增加了“已加載的配置文件”信息，之前只存在“配置文件路徑(php.ini)"。
	proc_terminate	之前的版本被用來銷毀進程 resource。
	token_get_all	Line numbers are returned in element 2
5.2.1	iterator_to_array	添加了 use_keys 參數(shù)。
	json_decode	Added support for JSON decoding of basic types.
	memory_get_peak_usage	使用此函數(shù)無需在編譯時加上 --enable-memory-limit 選項。
	memory_get_usage	不需要在編譯時使用 --enable-memory-limit 選項就能夠使用這個函數(shù)。
	mt_srand	The Mersenne Twister implementation in PHP now uses a new seeding algorithm by Richard Wagner. Identical seeds no longer produce the same sequence of values they did in previous versions. This behavior is not expected to change again, but it is considered unsafe to rely upon it nonetheless.
5.2.0	base64_decode	增加了 strict 。
	curl_multi_info_read	msgs_in_queue被加入。
	imagettftext	It is now possible to specify an hexadecimal entity in text.
	mb_strrpos	增加了可選參數(shù) offset。
	memory_get_peak_usage	添加參數(shù) real_usage。
	memory_get_usage	增加了參數(shù) real_usage。
	openssl_verify	添加了 signature_alg 參數(shù)。
	session_get_cookie_params	在返回數(shù)組中加入 “httponly”。
	session_set_cookie_params	加入 httponly 參數(shù)。
	setrawcookie	增加了 httponly 參數(shù)。
	PDOStatement::execute	input_parameters 中的鍵名必須和 SQL 中聲明的相匹配。PHP 5.2.0 之前默認忽略。
5.1.3	curl_getinfo	引入CURLINFO_HEADER_OUT.
	get_headers	自 PHP 5.1.3 起本函數(shù)使用默認的流上下文，其可以用 stream_context_get_default 函數(shù)設(shè)定和修改。
	http_build_query	方括號也會被轉(zhuǎn)義。
5.1.2	date_default_timezone_set	本版本開始驗證 timezone_identifier 參數(shù)。
	http_build_query	加入了參數(shù) arg_separator。
	parse_url	增加了參數(shù) component。
5.1.1	date	format 參數(shù)標(biāo)準的可用日期/時間格式常量見： 常量
5.1.0	class_implements	增加了允許參數(shù)class為字符串的選項。增加了autoload參數(shù)。
	class_parents	增加了允許參數(shù)class為字符串的選項。增加了autoload參數(shù)。
	ctype_digit	在 PHP 5.1.0 之前，當(dāng) text 是一個空字符串的時候，該函數(shù)將返回 true 。
	date	現(xiàn)在發(fā)布 E_STRICT 和 E_NOTICE 時區(qū)錯誤。
	date	時間戳的有效取值范圍為 GMT 時間的 1901 年 12 月 13 日至 GMT 時間的 2038 年 1 月 19 日。 （32 位有符號整數(shù)的取值范圍）。 但是，在 PHP 5.1.0 之前的版本，在某些系統(tǒng)（例如 Windows）上有效取值范圍為 1970 年 1 月 1 日至 2038 年 1 月 19 日。
	date_sunrise	現(xiàn)在發(fā)布 E_STRICT 和 E_NOTICE 時區(qū)錯誤。
	date_sunset	現(xiàn)在發(fā)布 E_STRICT 和 E_NOTICE 時區(qū)錯誤。
	file_put_contents	添加了對 LOCK_EX 的支持和 data 參數(shù)處理 stream 資源的功能。
	gettimeofday	增加了參數(shù) return_float。
	imagerotate	新增： ignore_transparent 。
	localtime	現(xiàn)在發(fā)布 E_STRICT 和 E_NOTICE 時區(qū)錯誤。
	mktime	is_dst 參數(shù)被廢棄。出錯時函數(shù)返回 false 而不再是 -1。修正了本函數(shù)可以接受年月日參數(shù)全為零。
	mktime	現(xiàn)在發(fā)布 E_STRICT 和 E_NOTICE 時區(qū)錯誤。
	mktime	When called with no arguments, mktime throws E_STRICT notice. Use the time function instead.
	strftime	現(xiàn)在發(fā)布 E_STRICT 和 E_NOTICE 時區(qū)錯誤。
5.0.0	checkdnsrr	增加了AAAA的記錄類型。
	fgetss	參數(shù) length 從 此開始可選。
	file_put_contents	Added context support
	is_executable	is_executable 開始可用以于 Windows。
	jdtojewish	增加了參數(shù) fl。
	opendir	path 支持 ftp:// URL wrapper
	socket_create	增加 AF_INET6 支持。
	strip_tags	strip_tags 變?yōu)槎M制安全的。
	strrpos	參數(shù) needle 可以是一個多字符的字符串。
	strrpos	引入 offset 參數(shù)。