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run code in 300+ PHP versions simultaneously
<?php namespace Some\Other { class Foo { use \NiceTrait; function baz() { $this->bar = function() {echo 'im a callable bar';}; } } } namespace { trait NiceTrait { function bar() { echo "bar over here!"; } } $foo = new Some\Other\Foo(); $foo->baz(); $foo->bar(); }
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property Some\Other\Foo::$bar is deprecated in /in/ZDTMu on line 12 bar over here!
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
bar over here!
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_USE, expecting T_FUNCTION in /in/ZDTMu on line 9
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/ZDTMu 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/ZDTMu on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/ZDTMu on line 4
Process exited with code 255.

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