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<?php $foo = function (int &$bar) { $bar++; }; $baz = 0; $args = [$baz]; call_user_func_array($foo, $args); echo $args[0]; call_user_func_array($foo, $args); echo $args[0]; $foo(...$args); echo $args[0]; call_user_func_array($foo, $args); echo $args[0]; call_user_func_array($foo, $args); echo $args[0];
Output for 8.4.1 - 8.4.12
Warning: {closure:/in/ksVmp:3}(): Argument #1 ($bar) must be passed by reference, value given in /in/ksVmp on line 7 0 Warning: {closure:/in/ksVmp:3}(): Argument #1 ($bar) must be passed by reference, value given in /in/ksVmp on line 10 0123
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25
Warning: {closure}(): Argument #1 ($bar) must be passed by reference, value given in /in/ksVmp on line 7 0 Warning: {closure}(): Argument #1 ($bar) must be passed by reference, value given in /in/ksVmp on line 10 0123
Output for 7.0.0 - 7.0.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/ksVmp on line 7 0 Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/ksVmp on line 10 0123
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34
Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/ksVmp on line 7 0 Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/ksVmp on line 10 01 Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/ksVmp on line 16 1 Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/ksVmp on line 19 1
Output for 5.6.0 - 5.6.40
Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/ksVmp on line 7 0 Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/ksVmp on line 10 0 Catchable fatal error: Argument 1 passed to {closure}() must be an instance of int, integer given, called in /in/ksVmp on line 13 and defined in /in/ksVmp on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.' in /in/ksVmp on line 13
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '.', expecting ')' in /in/ksVmp on line 13
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/ksVmp on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/ksVmp 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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/ksVmp on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ksVmp on line 3
Process exited with code 255.
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