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run code in 300+ PHP versions simultaneously
<?php class Foo { public function bar() : Bar { return new Bar(); } } class Bar {} function map(Closure $closure, Foo ...$foos) : array { $result = []; foreach ($foos as $foo) { $result[] = $closure($foo); } return $result; } function bar() { return new Bar(); } var_dump(map(Closure::fromCallable('bar'), ...[new Foo, new Foo]));
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
array(2) { [0]=> object(Bar)#4 (0) { } [1]=> object(Bar)#5 (0) { } }
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 array(2) { [0]=> object(Bar)#4 (0) { } [1]=> object(Bar)#5 (0) { } }
Output for 7.0.0 - 7.0.20
Fatal error: Uncaught Error: Call to undefined method Closure::fromCallable() in /in/9detX:16 Stack trace: #0 {main} thrown in /in/9detX on line 16
Process exited with code 255.
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