3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php namespace Foo; trait aTrait { protected function one() { echo "a-one "; } public function two() { echo "a-two "; } public function three() { return defined('static::DELETED_AT') ? static::DELETED_AT : 'deleted_at'; } } namespace Bar; use Foo\aTrait as bTrait; trait aTrait { use bTrait { one as originalOne; two as originalGetQualifiedDeletedAtColumn; } protected function one() { echo "b-one"; $this->originalOne(); } public function two() { if (true) { return $this->three(); } $this->originalGetQualifiedDeletedAtColumn(); } } namespace Baz; use Bar\atrait; class Base { use aTrait; const DELETED_AT = 'DELETETIMESTAMP'; } class Test extends Base { public function __construct() { $this->one(); } } $test = new Test();
based on 3QPoM
Output for 5.4.0 - 5.4.10, 5.4.13 - 7.2.0
b-onea-one
Output for 5.4.11 - 5.4.12
Fatal error: Trait method one has not been applied, because there are collisions with other trait methods on Baz\Base in /in/q7Icb on line 53
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/q7Icb on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/q7Icb on line 3
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
Parse error: parse error, unexpected T_STRING in /in/q7Icb on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/q7Icb on line 3
Process exited with code 255.