php記錄程式執行時間microtime

/** * 記錄程式程式時間---只能記錄連續的調用改函數 * @param$time_key記錄的key，多次執行可以指定同一個key * @returnnone沒有傳回值，直接擷取全域變數$time_arr，如果是在方法中調用需要先global一次 **/function showExecuTime($time_key = '') {global $time_arr,$time_start,$time_end,$time_num;$time_now = microtime(true);if ( !$time_num ) {$time_num = 0;}$time_num++;if ( $time_num%2 == 1 ) {$time_start = $time_now;} else {$time_end = $time_now;}if ( $time_num %2 == 0 && $time_start && $time_end ) {$time = $time_end - $time_start;if ( $time_key ) {$time_arr[$time_key] += $time;} else {$time_arr[] = $time;}$time_arr['total'] += $time;}}/** * 記錄程式程式時間---可以多次交叉的調用 * @param$time_key記錄的key，多次執行可以指定同一個key * @returnnone沒有傳回值，直接擷取全域變數$time_arr，如果是在方法中調用需要先global一次 **/function showExecuTime($time_key = '') {global $time_arr,$time_key_arr,$time_num;$time_now = microtime(true);if ( !$time_key ) {if ( !$time_num ) {$time_num = 0;}$time_num++;$time_key = floor(($time_num+1)/2) - 1;}// 記錄本次是開始時間還是結束時間if ( !isset($time_key_arr[$time_key])) {$time_key_arr[$time_key]['num'] = 0;}$time_key_arr[$time_key]['num']++;if ( $time_key_arr[$time_key]['num']%2 == 1 ) {$time_key_arr[$time_key]['time_start'] = $time_now;} else {$time_key_arr[$time_key]['time_end'] = $time_now;}// 如果連續記錄2次，計算結果if ( $time_key_arr[$time_key]['num'] %2 == 0 && $time_key_arr[$time_key]['time_start'] && $time_key_arr[$time_key]['time_end'] ) {$time = $time_key_arr[$time_key]['time_end'] - $time_key_arr[$time_key]['time_start'];$time_arr[$time_key] += $time;$time_arr['total'] += $time;}}showExecuTime('all');showExecuTime();sleep(1);showExecuTime('all');//////sleep(1);showExecuTime();sleep(1);showExecuTime();sleep(1);showExecuTime();showExecuTime('a');sleep(1);showExecuTime('a');// showExecuTime('all');//////print_r($time_arr);print_r($time_key_arr);

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