3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { public function __invoke() { echo 'Yes!'; } } $a = new A; $a(); A();
Output for 7.0.0 - 7.1.0
Yes! Fatal error: Uncaught Error: Call to undefined function A() in /in/ku5DH:11 Stack trace: #0 {main} thrown in /in/ku5DH on line 11
Process exited with code 255.
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
Yes! Fatal error: Call to undefined function A() in /in/ku5DH on line 11
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Fatal error: Function name must be a string in /in/ku5DH on line 10
Process exited with code 255.
Output for 5.0.0 - 5.2.2
<br /> <b>Fatal error</b>: Function name must be a string in <b>/in/ku5DH</b> on line <b>10</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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/ku5DH</b> on line <b>4</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, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/ku5DH</b> on line <b>4</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/ku5DH</b> on line <b>4</b><br />
Process exited with code 255.