Examples: Associativity

(PHP 4, PHP 5, PHP 7) Checks whether a given named constant exists

(PHP 4, PHP 5, PHP 7)

(PHP 5 >= 5.0.0, PHP 7) Assign a value to the specified offset

Accessing HTTP(s) URLs Allows read-only access to files/resources via HTTP 1.0, using the HTTP GET method. A

Accessing various I/O streams PHP provides a number of miscellaneous I/O streams that allow access to PHP's

Examples: PHP supports one execution operator: backticks (``). Note that these are not single-quotes! PHP will attempt

Examples: The simplest way to specify a

Examples: Sleep and wakeup

(PHP 7) Gets the exception code abstract public