settype in PHP

settype — Set the type of a variable

Syntax: 
bool settype ( mixed &$var , string $type )

Set the type of variable var to type.
Parameters: 

var

    The variable being converted.
type

    Possibles values of type are:

        "boolean" (or, since PHP 4.2.0, "bool")
        "integer" (or, since PHP 4.2.0, "int")
        "float" (only possible since PHP 4.2.0, for older versions use the deprecated variant "double")
        "string"
        "array"
        "object"
        "null" (since PHP 4.2.0)

Return Values:

Returns TRUE on success or FALSE on failure.
Examples:

Example #1 settype() example
<?php
$foo = "5bar"; // string
$bar = true;   // boolean

settype($foo, "integer"); // $foo is now 5   (integer)
settype($bar, "string");  // $bar is now "1" (string)
?>
Notes:

    Note:

    Maximum value for "int" is PHP_INT_MAX.