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run code in 300+ PHP versions simultaneously
<?php trait Tr { public function Foo(int $x) {}}class Bar { public function __construct() { echo __METHOD__, "\n"; }}class Foo extends Bar { use Tr;}$f = new foo();
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
Bar::__construct
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 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; Foo has a deprecated constructor in /in/vs57P on line 3 Fatal error: Uncaught ArgumentCountError: Too few arguments to function Foo::Foo(), 0 passed in /in/vs57P on line 3 and exactly 1 expected in /in/vs57P:3 Stack trace: #0 /in/vs57P(3): Foo->Foo() #1 {main} thrown in /in/vs57P on line 3
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught ArgumentCountError: Too few arguments to function Foo::Foo(), 0 passed in /in/vs57P on line 3 and exactly 1 expected in /in/vs57P:3 Stack trace: #0 /in/vs57P(3): Foo->Foo() #1 {main} thrown in /in/vs57P on line 3
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; Foo has a deprecated constructor in /in/vs57P on line 3 Fatal error: Uncaught TypeError: Argument 1 passed to Foo::Foo() must be of the type integer, none given, called in /in/vs57P on line 3 and defined in /in/vs57P:3 Stack trace: #0 /in/vs57P(3): Foo->Foo() #1 {main} thrown in /in/vs57P on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21
Catchable fatal error: Argument 1 passed to Foo::Foo() must be an instance of int, none given, called in /in/vs57P on line 3 and defined in /in/vs57P on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Fatal error: Foo has colliding constructor definitions coming from traits in /in/vs57P on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/vs57P on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/vs57P on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/vs57P on line 3
Process exited with code 255.

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