3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo() { return array(function(){echo 'foo';}); } call_user_func((foo())[0]);
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
foo
Output for 5.3.0 - 5.6.28
Parse error: syntax error, unexpected '[' in /in/TTdCr on line 6
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/TTdCr on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_FUNCTION, expecting ')' in <b>/in/TTdCr</b> on line <b>3</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected T_FUNCTION, expecting ')' in <b>/in/TTdCr</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `')'' in <b>/in/TTdCr</b> on line <b>3</b><br />
Process exited with code 255.