(PHP 5 >= 5.0.0, PHP 7) Move forward to next element

(PHP 7) Get the return value of a generator public

(PHP 7) Gets the message abstract public string

(PHP 4, PHP 5, PHP 7) Generate a unique ID string

(PHP 5 >= 5.5.0, PHP 7) Check if the iterator has been closed

Examples: Callback function examples A PHP function is passed by its name as

(PHP 5 >= 5.1.0, PHP 7) String representation of object

(PHP 7) Gets the exception code abstract public

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

(PHP 5 >= 5.5.0, PHP 7) Get the yielded key