23 lines
693 B
PHP
23 lines
693 B
PHP
<?php
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$start_run_time = run_time();
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$time1 = date("Y-m-d H:i:s");
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$time2 = "2008-2-3 16:30:00";
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if (strtotime($time1) > strtotime($time2)) {
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echo 'time1晚于time2';
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} else if (strtotime($time1) < strtotime($time2)) {
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echo 'time1早于time2';
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} else {
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echo 'time1等于time2';
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}
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$currentTime = time();
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$targetTime = strtotime('2024-10-1');
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echo '距离2024年国庆还有' . ceil(($targetTime - $currentTime) / 60 / 60 / 24) . '天<br>';
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echo microtime() . "<br>";
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$end_run_time = run_time();
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echo 'php运行时间:'.$end_run_time-$start_run_time;
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function run_time(): float
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{
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list($micro_sec, $sec) = explode(' ', microtime());
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return (float)$micro_sec + (float)$sec;
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}
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?>
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