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run code in 150+ php & hhvm versions
Bugs & Features
<?php function someFunction() { } $functionVariable = 'someFunction'; var_dump(is_callable($functionVariable, false, $callable_name)); // bool(true) echo $callable_name, "\n"; // someFunction // // Array containing a method // class someClass { function someMethod() { } } $anObject = new someClass(); $methodVariable = array($anObject, 'someMethod'); var_dump(is_callable($methodVariable, true, $callable_name)); // bool(true) echo $callable_name, "\n"; // someClass::someMethod
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(true) someFunction bool(true) someClass::someMethod
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/i9YI3 on line 30
Process exited with code 255.
Output for 4.3.0 - 4.4.9
bool(true) someFunction bool(true) someclass::someMethod