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run code in 300+ PHP versions simultaneously
<?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[0]); echo $args[0]; call_user_func_array($foo, $args); echo $args[0]; call_user_func_array($foo, $args); echo $args[0];
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: {closure}(): Argument #1 ($bar) must be passed by reference, value given in /in/Ro4Mn on line 7 0 Warning: {closure}(): Argument #1 ($bar) must be passed by reference, value given in /in/Ro4Mn on line 10 0123
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: {closure}(): Argument #1 ($bar) must be passed by reference, value given in /in/Ro4Mn on line 7 0 Warning: {closure}(): Argument #1 ($bar) must be passed by reference, value given in /in/Ro4Mn on line 10 0123
Output for 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/Ro4Mn on line 7 0 Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/Ro4Mn on line 10 0123
Output for 7.2.0 - 7.2.34
Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/Ro4Mn on line 7 0 Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/Ro4Mn on line 10 01 Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/Ro4Mn on line 16 1 Warning: Parameter 1 to {closure}() expected to be a reference, value given in /in/Ro4Mn on line 19 1
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177.05 ms | 402 KiB | 183 Q