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<?php class C implements IteratorAggregate { private int $prop = 42; public function getIterator() { return new ArrayIterator(["a"]); } } $c = new C; array_walk($c, function ($v, $k) { var_dump($v, addslashes($k)); });
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.25, 8.4.1 - 8.4.12
Deprecated: Return type of C::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/6otJZ on line 5 int(42) string(9) "\0C\0prop"
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 Deprecated: Return type of C::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/6otJZ on line 5 int(42) string(9) "\0C\0prop"
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
int(42) string(9) "\0C\0prop"
Output for 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'int' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/6otJZ on line 4
Process exited with code 255.
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