复制代码 代码如下: <?php class timer { var $time_start; var $time_end; function __construct() { $this->time_start = 0; $this->time_end = 0; } function timer() { $this->__construct(); } function start() { list($usec,$sec) = explode(” “,microtime()); $this->time_start = (float)$usec + (float)$sec; } function
