3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo strpos('2', '12341234'); echo substr_replace ( '12341234' , '', 1 , 1 );
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.1.10
1341234