3v4l.org

run code in 300+ PHP versions simultaneously
<?php $secret = 9292929; $data = '$secret = 1111111'; $trigger = ".*)/e\0"; // function to emphasizes the searched word in the results preg_replace( "/($trigger)/i", '"<em>" . strtoupper($1) . "</em>"', $data ); var_dump( $secret );

preferences:
38.54 ms | 402 KiB | 5 Q