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run code in 150+ php & hhvm versions
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<?php class Test { public function getFunc(&$enable) { //static $enable = false; //$enable = $turn; return function($str) use (&$enable) { if ($enable) { echo $str; } }; } public function run() { $func = $this->getFunc(true); $func('ok'); echo PHP_EOL.'---------------'.PHP_EOL; $this->getFunc(false); $func('not ok'); $this->getFunc(true); $func('--ok--'); } } $test = new Test(); $test->run();
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Cannot pass parameter 1 by reference in /in/8vmcT:18 Stack trace: #0 /in/8vmcT(32): Test->run() #1 {main} thrown in /in/8vmcT on line 18
Process exited with code 255.
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
Fatal error: Cannot pass parameter 1 by reference in /in/8vmcT on line 18
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/8vmcT on line 9
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/8vmcT on line 9
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/8vmcT on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/8vmcT on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/8vmcT on line 3
Process exited with code 255.