3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A {public static function b() {}} function d(callable $c) {} $c = 'A::b'; var_dump(is_callable($c)); d($c); $c();
Output for hhvm-3.12.0, 7.0.0 - 7.1.0
bool(true)
Output for 5.4.0 - 5.6.28, hhvm-3.10.0
bool(true) Fatal error: Call to undefined function A::b() in /in/Wmi1q on line 10
Process exited with code 255.
Output for 5.2.3 - 5.3.29
bool(true) Catchable fatal error: Argument 1 passed to d() must be an instance of callable, string given, called in /in/Wmi1q on line 9 and defined in /in/Wmi1q on line 5
Process exited with code 255.
Output for 5.2.0 - 5.2.2
bool(true) <br /> <b>Catchable fatal error</b>: Argument 1 passed to d() must be an instance of callable, string given, called in /in/Wmi1q on line 9 and defined in <b>/in/Wmi1q</b> on line <b>5</b><br />
Process exited with code 255.
Output for 5.1.0 - 5.1.6
bool(true) <br /> <b>Fatal error</b>: Argument 1 passed to d() must be an object of class callable, called in /in/Wmi1q on line 9 and defined in <b>/in/Wmi1q</b> on line <b>5</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.0.5
bool(false) <br /> <b>Fatal error</b>: Argument 1 must be an object of class callable in <b>/in/Wmi1q</b> on line <b>5</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/Wmi1q</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
<br /> <b>Parse error</b>: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in <b>/in/Wmi1q</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 `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in <b>/in/Wmi1q</b> on line <b>3</b><br />
Process exited with code 255.