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<?php function getClass(ReflectionType $type) { if ($type instanceof ReflectionNamedType) { if (!in_array($type->getName(), ['array', /* further predefined types */], true)) { return $type->getName(); } } return null; } function foo(array $array) {} $rf = new ReflectionFunction('foo'); $rp = $rf->getParameters()[0]; var_dump(isClass($rp->getType()));
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Fatal error: Uncaught Error: Call to undefined function isClass() in /in/R3dn1:16 Stack trace: #0 {main} thrown in /in/R3dn1 on line 16
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: Uncaught Error: Call to undefined function isClass() in /in/R3dn1:16 Stack trace: #0 {main} thrown in /in/R3dn1 on line 16
Process exited with code 255.

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