3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = "abcdefghijklmnopqrstuvwxyz"; // just used as an example // $string becomes "badcfehgjilknmporqtsvuxwzy" $now_in_pairs = str_split($string, 2); $reverse = array_map('strrev', $now_in_pairs); foreach($reverse as $r) { $new_string .= $r; } echo $new_string;
Output for 5.0.4 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: new_string in /in/3c17q on line 14 badcfehgjilknmporqtsvuxwzy
Output for hhvm-3.12.0
badcfehgjilknmporqtsvuxwzy
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: new_string in /in/3c17q on line 14 badcfehgjilknmporqtsvuxwzy
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: str_split() in /in/3c17q on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: str_split() in /in/3c17q on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: str_split() in /in/3c17q on line 8