3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'Some text {spoiler}He <span class="just_testing">dies</span> in the end{/spoiler} but {spoiler}not before becoming a Jedi{/spoiler}'; echo preg_replace_callback('~{spoiler}(.*?)({/spoiler})~s', function($m) { return '<span class="spoiler">' . preg_replace('~</?span[^>]*>~i', '', $m[1]) . '</span>'; }, $string, -1, $count); echo "\n---\n"; echo $count;

preferences:
65.18 ms | 402 KiB | 5 Q