3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "[quote=foo]<script src='http://www.example.com' data-junk='[/quote]'>"; $text = preg_replace('#\[quote\=(.+)\]((?>(?R)|.)+)\[\/quote\]#iUs', '<div class="quote">$2</div><div class="quote-by">By: $1</div>', $text, -1, $count); var_dump($text);
Output for 5.1.3 - 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(110) "<div class="quote"><script src='http://www.example.com' data-junk='</div><div class="quote-by">By: foo</div>'>"
Output for 5.1.0 - 5.1.2
Notice: Undefined variable: count in /in/Lup8l on line 4 string(110) "<div class="quote"><script src='http://www.example.com' data-junk='</div><div class="quote-by">By: foo</div>'>"
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: count in /in/Lup8l on line 4 Warning: Wrong parameter count for preg_replace() in /in/Lup8l on line 4 NULL
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: count in /in/Lup8l on line 4 Warning: Wrong parameter count for preg_replace() in /in/Lup8l on line 4 NULL

preferences:
305.77 ms | 402 KiB | 455 Q