3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = 'one "two" (three) -four-'; echo preg_replace('/\b/', '*', $test);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
*one* "*two*" (*three*) -*four*-

preferences:
75.75 ms | 1107 KiB | 4 Q