3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface Foo { public function bar(int $a): void; } class Baz implements Foo { public function bar(int $a, int $b=2): void { echo "$a: $b"; } } (new Baz)->bar(1,3);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
1: 3
Output for 7.0.0 - 7.0.33
1: 3 Fatal error: Uncaught TypeError: Return value of Baz::bar() must be an instance of void, none returned in /in/judRV:13 Stack trace: #0 /in/judRV(16): Baz->bar(1, 3) #1 {main} thrown in /in/judRV on line 13
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/judRV on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':', expecting '{' or ';' in /in/judRV on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/judRV 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
Parse error: parse error, unexpected T_STRING in /in/judRV on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/judRV on line 3
Process exited with code 255.

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