src/Rad/Utils/Time.php
public static function get_microtime() {
        list($tps_usec, $tps_sec) = explode(' ', microtime());
        return (float) $tps_usec + (float) $tps_sec;
    }
public static function get_microtime() {
        list($tps_usec, $tps_sec) = explode(' ', microtime());
        return (float) $tps_usec + (float) $tps_sec;
    }
public static function get_microtime ( ) { list ( $ tps_usec , $ tps_sec ) = explode ( ' ' , microtime ( ) ) ; return ( float ) $ tps_usec + ( float ) $ tps_sec ; }
Return current microtime.

@return int
Return current microtime .