(PHP 5, PHP 7) Checks if iterateable public bool

(No version information available, might only be in Git) This method updates an entry in the hash with a new

(No version information available, might only be in Git) This method adds a new entry to the hash

(PHP 4, PHP 5, PHP 7) Sort an array with a user-defined comparison function and maintain index association

(PHP 5 >= 5.1.0, PHP 7) Invokes function args

(PHP 5, PHP 7) Invokes function public mixed

(PHP 5 >= 5.1.0, PHP 7) Gets the property doc comment

(PHP 4, PHP 5, PHP 7) Creates a PHP value from a stored representation

(PHP 4, PHP 5, PHP 7) Checks if the class has been defined

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Check for any printable character(s) except space