3v4l.org

run code in 500+ PHP versions simultaneously
<?php $string = "This is a short sentence which should include all regex results"; echo preg_replace(array('/\b(\w{1,3})\b/', '/\b(\w{4,})\b/'), array('$1*', '+$1*'), $string);
Output for 7.1.25 - 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
+This* is* a* +short* +sentence* +which* +should* +include* all* +regex* +results*
preferences:
101.97 ms | 1491 KiB | 4 Q