public static function getmicrotime()
  { 
    list($usec, $sec) = explode(" ",microtime());
    return ((float)$usec + (float)$sec); 
  }
public static function getmicrotime()
  { 
    list($usec, $sec) = explode(" ",microtime());
    return ((float)$usec + (float)$sec); 
  }
public static function getmicrotime ( ) { list ( $ usec , $ sec ) = explode ( " " , microtime ( ) ) ; return ( ( float ) $ usec + ( float ) $ sec ) ; }
Returns the current time in seconds and milliseconds.

@return float
Returns the current time in seconds and milliseconds .