3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = "Code: 2345 7543 126 DATA"; var_export(preg_match_all('/([\d]*)/', $data, $matches)); echo PHP_EOL; echo implode("", $matches[1]);
Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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
17 23457543126
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
17 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/BnLnT on line 7 PHP_EOL23457543126
preferences:
293.6 ms | 402 KiB | 459 Q