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run code in 200+ php & hhvm versions
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<?php class Callbackhandler() { private $cb; public function __construct(callable $cb) { $this->cb = $cb; } public function callme() { return $this->cb(); } } $callback = function() { return "Hello"; }; $handler = new Callbackhandler($callback); echo $handler->callme();
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.4.34
Parse error: syntax error, unexpected '(', expecting '{' in /in/2asJD on line 2
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
Parse error: parse error, unexpected '(', expecting '{' in /in/2asJD on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/2asJD on line 2
Process exited with code 255.