3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class foo { function do_foo() { echo "Doing foo."; } } $bar = new foo; echo isset($bar->do_foo());
Output for 5.0.0 - 5.4.27
Fatal error: Can't use method return value in write context in /in/es4Pp on line 11
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '(', expecting ',' or ')' in /in/es4Pp on line 11
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 ',' or ')' in /in/es4Pp on line 11
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `','' or `')'' in /in/es4Pp on line 11
Process exited with code 255.