3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public function a() { echo "hola\n"; } } class b extends a { public function __construct() { parent::a(); parent::__construct(); } } 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
hola Fatal error: Uncaught Error: Cannot call constructor in /in/cpM7G:13 Stack trace: #0 /in/cpM7G(16): b->__construct() #1 {main} thrown in /in/cpM7G on line 13
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; a has a deprecated constructor in /in/cpM7G on line 3 hola hola
Output for 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.3.32 - 7.3.33
hola hola

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204.33 ms | 402 KiB | 244 Q