PHP 手册
Migrating from PHP 5.3.x to PHP 5.4.x

New Functions

PHP 5.4 introduced some new functions:

PHP Core:

SPL:

Session:

Mysqli:

Libxml:

LDAP:

Intl:

Zlib:


Migrating from PHP 5.3.x to PHP 5.4.x
PHP 手册