(PHP 4 >= 4.0.2, PHP 5, PHP 7) Returns the resource type

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Outputs or returns a parsable string representation of a variable

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4, PHP 5, PHP 7) Finds whether a variable is an array

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4, PHP 5, PHP 7) Set the type of a variable

(PHP 4, PHP 5, PHP 7) Alias of

(PHP 4, PHP 5, PHP 7) Finds whether the type of a variable is float