3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'foo {{bar}} foo {{bar}} foo'; $bar[0] = 'lol'; $bar[1] = 'kek'; foreach ($bar as $b) { $string = preg_replace('/{{bar}}/usi', $b, $string, 1); } echo $string;
Output for 7.1.25 - 7.1.28, 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 - 8.2.19, 8.3.0 - 8.3.7
foo lol foo kek foo

preferences:
126.13 ms | 403 KiB | 167 Q