@ 2014-10-13T18:32:02Z <?php
function userland_func_get_arg($idx) { return isset(debug_backtrace()[1]['args'][$idx]) ? debug_backtrace()[1]['args'][$idx] : false; }
function foo() { $a = func_get_arg(0); $a = 'bar'; }
function bar() { $a = userland_func_get_arg(0); $a = 'bar'; }
$foo = 'foo';
var_dump(foo(&$foo, 'bar'));
var_dump($foo);
$foo = 'foo';
var_dump(bar(&$foo, 'bar'));
var_dump($foo);
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Output for 5.4.0 - 5.4.32 Fatal error: Call-time pass-by-reference has been removed; If you would like to pass argument by reference, modify the declaration of foo(). in /in/Mf6nR on line 9
Process exited with code 255 . Output for 5.0.0 - 5.0.5 , 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 Fatal error: Can't use function return value in write context in /in/Mf6nR on line 3
Process exited with code 255 . Output for 4.4.2 - 4.4.9 Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/Mf6nR on line 3
Process exited with code 255 . Output for 4.3.0 - 4.3.1 , 4.3.5 - 4.3.11 , 4.4.0 - 4.4.1 Parse error: parse error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/Mf6nR on line 3
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/Mf6nR on line 3
Process exited with code 255 . preferences:dark mode live preview
214.3 ms | 1386 KiB | 123 Q