(PHP 7) Gets the specified return type of a function

(PECL quickhash >= Unknown) This method deletes an entry from the set

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Split an array into chunks

(PHP 5, PHP 7) Invokes function public mixed

(PHP 5 >= 5.1.0, PHP 7) Computes the difference of arrays using a callback function on the keys for comparison

(PHP 5 >= 5.2.0, PHP 7) Fill an array with values, specifying keys

(PHP 4 >= 4.0.5, PHP 5, PHP 7) Searches the array for a given value and returns the corresponding key if

(PHP 4, PHP 5, PHP 7) Prepend one or more elements to the beginning of an array

(PHP 5, PHP 7) Print extension info public void

(PHP 4, PHP 5, PHP 7) Finds whether a variable is a number or a numeric string