3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = "┼×ef"; for ($x = 0; $x < 1000; ++$x) { for ($i = 0; $i < mbstring_strlen($str, 'utf-8'); $i++) { echo mbstring_substr($str, $i, 1, 'utf-8').'<br>'; } }
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function mbstring_strlen() in /in/dYR3h:6 Stack trace: #0 {main} thrown in /in/dYR3h on line 6
Process exited with code 255.
Output for hhvm-3.12.0 - 3.13.2
Fatal error: Uncaught Error: Call to undefined function mbstring_strlen() in /in/dYR3h:6 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.0.0 - 5.6.28, hhvm-3.10.0
Fatal error: Call to undefined function mbstring_strlen() in /in/dYR3h on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: mbstring_strlen() in /in/dYR3h on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: mbstring_strlen() in /in/dYR3h on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mbstring_strlen() in /in/dYR3h on line 6