3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $utf8string = 'ASCéIIユーティーエッフ8hello123等々'; $var = 'hello123'; $pos = strpos($utf8string, $var); if ($pos!==false) { echo substr($utf8string, 0, $pos); }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
ASCéIIユーティーエッフ8