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run code in 300+ PHP versions simultaneously
<?php class Checker { public function check(): void {} } class A { public function checkThings() { $check1 = new Checker; $check1->check(); } } $a = new A(); $a->checkThings(); class B { public function checkThings(Checker $checker) { $checker->check(); } } $checker = new Checker(); $b = new B(); $b->checkThings( $checker );
Output for 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 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
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
Output for 7.0.0 - 7.0.24
Fatal error: Uncaught TypeError: Return value of Checker::check() must be an instance of void, none returned in /in/i2L9f:4 Stack trace: #0 /in/i2L9f(11): Checker->check() #1 /in/i2L9f(16): A->checkThings() #2 {main} thrown in /in/i2L9f on line 4
Process exited with code 255.

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