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<?php class Foo implements Iterator { protected $count = 500; public function next() { $this->count--; } public function valid() { return $this->count > 0; } public function rewind() { $this->count = 500; } public function key() { return null; } public function current() { return $this->count; } } // This one $f = new Foo; foreach($f as $val) { } var_dump($f);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Deprecated: Return type of Foo::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/fm5Io on line 21 Deprecated: Return type of Foo::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/fm5Io on line 5 Deprecated: Return type of Foo::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/fm5Io on line 17 Deprecated: Return type of Foo::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/fm5Io on line 9 Deprecated: Return type of Foo::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/fm5Io on line 13 object(Foo)#1 (1) { ["count":protected]=> int(0) }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
object(Foo)#1 (1) { ["count":protected]=> int(0) }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
object(Foo)#1 (1) { ["count:protected"]=> int(0) }
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/fm5Io on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/fm5Io on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/fm5Io on line 3
Process exited with code 255.

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