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run code in 150+ php & hhvm versions
Bugs & Features
<?php trait MetaTrait { private $methods = array(); public function addMethod($methodName, $methodCallable) { if (!is_callable($methodCallable)) { throw new InvalidArgumentException('Second param must be callable'); } $this->methods[$methodName] = Closure::bind($methodCallable, $this, get_class()); } public function __call($methodName, array $args) { if (isset($this->methods[$methodName])) { return call_user_func_array($this->methods[$methodName], $args); } throw RunTimeException('There is no method with the given name to call'); } } class HackThursday { use MetaTrait; private $dayOfWeek = 'Thursday'; } $test = new HackThursday(); $test->addMethod('when', function () { return $this->dayOfWeek; }); echo $test->when();
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Thursday
Output for 5.2.3 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/62iGm on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING in <b>/in/62iGm</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, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_STRING in <b>/in/62iGm</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/62iGm</b> on line <b>2</b><br />
Process exited with code 255.