3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo strpos('2', '12341234'); echo substr_replace ( '12341234' , '', 1 , 1 );
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1341234