3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class MyCountable implements Countable { public function count($mySpecialFilterArgument = null) { var_dump($mySpecialFilterArgument); } } $myCountable = new MyCountable; $myCountable->count(1); count($myCountable); count($myCountable, COUNT_NORMAL); count($myCountable, COUNT_RECURSIVE);
based on 4O9nA
Output for 5.1.0 - 7.1.0
int(1) NULL NULL NULL
Output for 5.0.5
Fatal error: Interface 'Countable' not found in /in/vQmK5 on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class 'Countable' not found in /in/vQmK5 on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/vQmK5 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/vQmK5 on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/vQmK5 on line 2
Process exited with code 255.