<?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($foo);
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- NULL
string(3) "foo"
NULL
string(3) "foo"
- Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Fatal error: Can't use function return value in write context in /in/FLgBP on line 3
Process exited with code 255. - Output for 4.4.2 - 4.4.9
- Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/FLgBP 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 '$' in /in/FLgBP on line 3
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/FLgBP on line 3
Process exited with code 255.
preferences:
236.08 ms | 401 KiB | 310 Q