3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo(&$bar = []) { $bar[] = 'foo'; } foo1($bar); var_dump($bar);
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function foo1() in /in/NbiAJ:7 Stack trace: #0 {main} thrown in /in/NbiAJ on line 7
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: Call to undefined function foo1() in /in/NbiAJ on line -1
Process exited with code 255.
Output for 5.4.0 - 5.6.28, hhvm-3.10.0
Fatal error: Call to undefined function foo1() in /in/NbiAJ on line 7
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/NbiAJ on line 3
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/NbiAJ on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '=', expecting ')' in /in/NbiAJ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '=', expecting ')' in /in/NbiAJ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/NbiAJ on line 3
Process exited with code 255.