3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php namespace One { trait foo { static $bar = []; public static function a() { echo "Hello World"; } } } namespace Two { use One\foo as OneFoo; trait foo { use OneFoo; } } namespace Three { class qux { use \One\foo; public static function a() { \Two\bat::a(); } } class bing extends qux { use \Two\foo; } } namespace { \Three\bing::a(); }
based on ZF9ii
Output for 7.2.0
Fatal error: Three\qux and Two\foo define the same property ($bar) in the composition of Three\bing. However, the definition differs and is considered incompatible. Class was composed in /in/8MF5c on line 29
Process exited with code 255.
Output for 7.0.0 - 7.1.10
Hello World
Output for 5.6.0 - 5.6.28
Strict Standards: Three\qux and Two\foo define the same property ($bar) in the composition of Three\bing. This might be incompatible, to improve maintainability consider using accessor methods in traits instead. Class was composed in /in/8MF5c on line 31 Hello World
Output for 5.4.0 - 5.5.35
Fatal error: Three\qux and Two\foo define the same property ($bar) in the composition of Three\bing. However, the definition differs and is considered incompatible. Class was composed in /in/8MF5c on line 31
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/8MF5c on line 3
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/8MF5c on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_STRING in <b>/in/8MF5c</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_STRING in <b>/in/8MF5c</b> on line <b>2</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/8MF5c</b> on line <b>2</b><br />
Process exited with code 255.