3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Generic\Space { function bar() { echo "bar over here!"; } } namespace Some\Other { class Foo { use \NiceTrait; function baz() { $this->bar = function() {echo 'im a callable bar';}; } } } namespace { use \Generic\Space; trait NiceTrait { } $foo = new Some\Other\Foo(); $foo->baz(); $foo->bar(); }
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Creation of dynamic property Some\Other\Foo::$bar is deprecated in /in/btHE3 on line 17 Fatal error: Uncaught Error: Call to undefined method Some\Other\Foo::bar() in /in/btHE3:36 Stack trace: #0 {main} thrown in /in/btHE3 on line 36
Process exited with code 255.
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 Deprecated: Creation of dynamic property Some\Other\Foo::$bar is deprecated in /in/btHE3 on line 17 Fatal error: Uncaught Error: Call to undefined method Some\Other\Foo::bar() in /in/btHE3:36 Stack trace: #0 {main} thrown in /in/btHE3 on line 36
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught Error: Call to undefined method Some\Other\Foo::bar() in /in/btHE3:36 Stack trace: #0 {main} thrown in /in/btHE3 on line 36
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Call to undefined method Some\Other\Foo::bar() in /in/btHE3 on line 36
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_USE, expecting T_FUNCTION in /in/btHE3 on line 14
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_STRING in /in/btHE3 on line 4
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_STRING in /in/btHE3 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/btHE3 on line 4
Process exited with code 255.

preferences:
207.53 ms | 401 KiB | 314 Q