3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo() { return "w00t"; } function bar($a = foo()) { var_dump($a); } bar();
Output for hhvm-3.10.0 - 3.12.0
string(4) "w00t"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.4.32
Parse error: syntax error, unexpected '(', expecting ')' in /in/XCThj on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '(', expecting ')' in /in/XCThj on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/XCThj on line 7
Process exited with code 255.