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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() { $this->B(); } } echo 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
JIUAA Fatal error: Uncaught TypeError: B::__toString(): Return value must be of type string, none returned in /in/TvmIn:18 Stack trace: #0 /in/TvmIn(20): B->__toString() #1 {main} thrown in /in/TvmIn on line 18
Process exited with code 255.
Output for 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/TvmIn on line 9 Fatal error: Uncaught Error: Method B::__toString() must return a string value in /in/TvmIn:20 Stack trace: #0 {main} thrown in /in/TvmIn on line 20
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Recoverable fatal error: Method B::__toString() must return a string value in /in/TvmIn on line 20
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31
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/TvmIn on line 9 Recoverable fatal error: Method B::__toString() must return a string value in /in/TvmIn on line 20
Process exited with code 255.
Output for 7.0.0 - 7.0.20
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/TvmIn on line 9 Catchable fatal error: Method B::__toString() must return a string value in /in/TvmIn on line 20
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Catchable fatal error: Method B::__toString() must return a string value in /in/TvmIn on line 20
Process exited with code 255.

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