3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php interface ListenerAggregate {} class EM { public function attach($listener) { if($listener instanceof ListenerAggregate){ echo "Attached an aggregate\n"; }else{ echo "Attached regular callable\n"; } } } class SomeAggregateListener implements ListenerAggregate { public function __invoke() { // look ma, I'm a callable! } } $em = new EM; $em->attach(function(){}); $aggregate = new SomeAggregateListener; $em->attach($aggregate);
Output for 5.3.0 - 7.1.0
Attached regular callable Attached an aggregate
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/didvH on line 23
Process exited with code 255.
Output for 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_FUNCTION, expecting ')' in <b>/in/didvH</b> on line <b>23</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_FUNCTION, expecting ')' in <b>/in/didvH</b> on line <b>23</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING in <b>/in/didvH</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Parse error</b>: parse error, unexpected T_STRING in <b>/in/didvH</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/didvH</b> on line <b>2</b><br />
Process exited with code 255.