Migrating from PHP 5.3.x to PHP 5.4.x
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New Global Constants

PHP Core:

Curl:

LibXML:

OpenSSL:

Output buffering:

Sessions:

Streams:

Zlib:

Intl:

Json:


Migrating from PHP 5.3.x to PHP 5.4.x
在线手册:中文 英文
PHP手册