3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class A { protected $_a; } class B extends A { use T; public static $allowedGetActions = array('view', 'browse', 'browseSet', 'browseRelation'); } trait T { protected $_a; public static $allowedGetActions = array(); } new B;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: B and T define the same property ($allowedGetActions) in the composition of B. However, the definition differs and is considered incompatible. Class was composed in /in/tT7nl on line 8
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Strict Standards: A and T define the same property ($_a) in the composition of B. This might be incompatible, to improve maintainability consider using accessor methods in traits instead. Class was composed in /in/tT7nl on line 12 Fatal error: B and T define the same property ($allowedGetActions) in the composition of B. However, the definition differs and is considered incompatible. Class was composed in /in/tT7nl on line 12
Process exited with code 255.
preferences:
189.38 ms | 402 KiB | 258 Q