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轉自 http://blog.blueshop.com.tw/wataru/archive/2008/02/05/54283.aspx
要計算某行程式執行的時間，就找了一下
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| 1 | <?php |
| 2 | function getmicrotime() |
| 3 | { |
| 4 | list($usec, $sec) = explode(" ",microtime()); |
| 5 | return ((float)$usec + (float)$sec); |
| 6 | } |
| 7 | |
| 8 | //例子 |
| 9 | |
| 10 | //開始 |
| 11 | $time_start = getmicrotime(); |
| 12 | |
| 13 | //這裡放你的代碼 |
| 14 | |
| 15 | //結束 |
| 16 | $time_end = getmicrotime(); |
| 17 | $time = $time_end - $time_start; |
| 18 | |
| 19 | echo "Did nothing in $time seconds"; //輸出總運行時間 |
| 20 | ?> |
| view plain | print | ? |
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