3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php // palindrom function anagram($s1, $s2) { $l1 = strlen($s1); $l2 = strlen($s2); if($l1 != $l2) return false; return count_words($s1); } echo anagram('test', 'test');
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function count_words() in /in/pWrk4:8 Stack trace: #0 /in/pWrk4(12): anagram('test', 'test') #1 {main} thrown in /in/pWrk4 on line 8
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Uncaught Error: Call to undefined function count_words() in /in/pWrk4:8 Stack trace: #0 /in/pWrk4(12): anagram() #1 {main}
Process exited with code 255.
Output for 5.0.0 - 5.6.28, hhvm-3.10.0
Fatal error: Call to undefined function count_words() in /in/pWrk4 on line 8
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: count_words() in /in/pWrk4 on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: count_words() in /in/pWrk4 on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: count_words() in /in/pWrk4 on line 8