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run code in 300+ PHP versions simultaneously
<?php class a { function foo($a){} } class b extends a { function foo($a, b ...$b){} } class c extends a { function foo($a, c $c){} }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Declaration of c::foo($a, c $c) must be compatible with a::foo($a) in /in/WTgGC on line 12
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Declaration of c::foo($a, c $c) must be compatible with a::foo($a) in /in/WTgGC on line 12
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of c::foo($a, c $c) should be compatible with a::foo($a) in /in/WTgGC on line 12
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
Warning: Declaration of c::foo($a, c $c) should be compatible with a::foo($a) in /in/WTgGC on line 13
Output for 5.6.8 - 5.6.28
Strict Standards: Declaration of c::foo() should be compatible with a::foo($a) in /in/WTgGC on line 13
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/WTgGC on line 8
Process exited with code 255.

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