3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function __construct(){ echo "JIUAA".PHP_EOL; } } class B extends A { function B(){ $str = "XIABB".PHP_EOL; return "\nxBBx\n"; } function __toString() { return $this->B(); } } echo new B();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
JIUAA xBBx
Output for 7.0.0 - 7.0.33, 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; B has a deprecated constructor in /in/Merd9 on line 9 xBBx
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.3.32 - 7.3.33
xBBx

preferences:
286.41 ms | 402 KiB | 330 Q