3v4l.org

run code in 300+ PHP versions simultaneously
<?php $nom = "doe"; $prenom = "john"; //echo $nom; //$nom = ucwords(strtolower($nom)); //echo $nom; $lknd = " A "; if($lknd != NULL and trim($lknd) != "") echo "OUI"; else echo "NON"; echo "<".$lknd.">\n"; echo "<".trim($lknd).">"; ?>

preferences:
45.23 ms | 402 KiB | 5 Q