3v4l.org

run code in 300+ PHP versions simultaneously
<?php $utf8string = 'Email;Envoyé;Ouverture;Lien n°1;Désabonnement'; $var = 'Envo'; $pos = strpos($utf8string, $var); echo $pos; if ($pos===false) { echo "error"; }

preferences:
38.98 ms | 402 KiB | 5 Q