public static function hash($value)
    {
        $typeIdentifier = gettype($value)[0];

        switch ($typeIdentifier) {

            case 's': //string

                return 's' . (strlen($value) > 32 ? md5($value) : $value);

            case 'i': //integer
            case 'b': //boolean
            case 'd': //double
            case 'r': //resource
            case 'u': //unknown type

                return $typeIdentifier . $value;

            case 'N': //NULL

                return 'N';

            case 'o': //object

                return 'o' . spl_object_hash($value);

            case 'a': //array

                return self::arrayHash($value);
        }
    }
public static function hash($value)
    {
        $typeIdentifier = gettype($value)[0];

        switch ($typeIdentifier) {

            case 's': //string

                return 's' . (strlen($value) > 32 ? md5($value) : $value);

            case 'i': //integer
            case 'b': //boolean
            case 'd': //double
            case 'r': //resource
            case 'u': //unknown type

                return $typeIdentifier . $value;

            case 'N': //NULL

                return 'N';

            case 'o': //object

                return 'o' . spl_object_hash($value);

            case 'a': //array

                return self::arrayHash($value);
        }
    }
public static function hash ( $ value ) { $ typeIdentifier = gettype ( $ value ) [ 0 ] ; switch ( $ typeIdentifier ) { case 's' : //string return 's' . ( strlen ( $ value ) > 32 ? md5 ( $ value ) : $ value ) ; case 'i' : //integer case 'b' : //boolean case 'd' : //double case 'r' : //resource case 'u' : //unknown type return $ typeIdentifier . $ value ; case 'N' : //NULL return 'N' ; case 'o' : //object return 'o' . spl_object_hash ( $ value ) ; case 'a' : //array return self :: arrayHash ( $ value ) ; } }
Returns a string representing the supplied value's identity.

@param mixed $value

@return string
Returns a string representing the supplied value s identity .