PHP: PHP 5.5.x から PHP 5.6.x への移行 - Manual

Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Su

[raimon49]

constで宣言する定数に式が使えるのと、可変長引数が宣言できてfunc_get_args()要らずになったのは嬉しいな。