2012/11/14 at 16:28 » Comments (454)

<?php //开始计时 $HeaderTime = microtime(true);//参数true表示返回浮点数值 //代码 //... printf(" total run: %.2f s<br>". "memory usage: %.2f M<br> ", microtime(true)-$HeaderTime, memory_get_usage() / 1024 / 1024 ); ?> 结果： total runtime: 1.47 s memory usage: 77.09 M more »