3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function __construct() { parent::setA(); } function setA() { echo "class a"; } } class B extends A { function setA() { echo "class b"; } } new B;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Cannot use "parent" when current class scope has no parent in /in/VQcCb on line 7
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: Cannot use "parent" when current class scope has no parent in /in/VQcCb on line 7 Fatal error: Uncaught Error: Cannot access parent:: when current class scope has no parent in /in/VQcCb:7 Stack trace: #0 /in/VQcCb(24): A->__construct() #1 {main} thrown in /in/VQcCb on line 7
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
Fatal error: Uncaught Error: Cannot access parent:: when current class scope has no parent in /in/VQcCb:7 Stack trace: #0 /in/VQcCb(24): A->__construct() #1 {main} thrown in /in/VQcCb on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Cannot access parent:: when current class scope has no parent in /in/VQcCb on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: No parent class available in /in/VQcCb on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: No parent class available in /in/VQcCb on line 7

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