3v4l.org

run code in 300+ PHP versions simultaneously
<?php $content = <<<EOD <span style="cursor:pointer" class="sw1" onclick="document.location='/logout'" onmouseover="hint('<center>До конца действия: 237 д. 0 ч.</center>', this, 75,125)"><center>До конца действия: 238 д. 0 ч.</center></span> EOD; for ($i = 0; $i<= 100; ++$i) { $first = preg_replace('/.*\<center>/', '', $content); $second = preg_replace('/<\/center\>.*/', '', $first); }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
preferences:
263.94 ms | 406 KiB | 357 Q