3v4l.org

run code in 300+ PHP versions simultaneously
<?php $search = htmlentities("phpinfo();#|apple/e\0"); echo $search; if (strpos($search, 'apple') !== false) { echo preg_replace("/".$search."/", $search." <img src='".$search.".png'>", "apple"); } else { echo "Please search for apple, orange, banana, or kiwi."; } ?>
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
phpinfo();#|apple/e Warning: preg_replace(): NUL is not a valid modifier in /in/CJZRX on line 8
Output for 5.4.7 - 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 - 8.1.28
phpinfo();#|apple/e Warning: preg_replace(): Null byte in regex in /in/CJZRX on line 8
Output for 5.4.0 - 5.4.6
phpinfo();#|apple/e Warning: phpinfo() has been disabled for security reasons in /in/CJZRX(8) : regexp code on line 1

preferences:
208 ms | 401 KiB | 373 Q