3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo() { return null; } if (empty($path == foo())) { echo 'it works'; } else { echo 'it fails'; }
Output for 5.5.24 - 7.1.0
Notice: Undefined variable: path in /in/D6Ndr on line 7 it fails
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '==' (T_IS_EQUAL), expecting ')' in /in/D6Ndr on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_IS_EQUAL, expecting ')' in /in/D6Ndr 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 T_IS_EQUAL, expecting ')' in /in/D6Ndr on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/D6Ndr on line 7
Process exited with code 255.