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<?php class values implements Iterator { private $_data = null; // array or object private $_keys = array(); private $_key = false; public function __construct($data = null){ $this->_data = $data; } public function current(){ return $this->{$this->_key}; } public function key(){ return $this->_key; } public function next(){ $this->_key = next($this->_keys); } public function rewind(){ $this->_keys = array(); foreach ($this->_data as $k => $v){ $this->_keys[] = $k; } $this->_key = reset($this->_keys); } public function valid(){ if (false === $this->_key){ return false; } return isset($this->{$this->_key}); } } $values = new values(new DateTime()); foreach($values as $k => $v) { var_dump($k, $v); }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of values::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/AK3tb on line 11 Deprecated: Return type of values::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/AK3tb on line 17 Deprecated: Return type of values::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/AK3tb on line 14 Deprecated: Return type of values::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/AK3tb on line 27 Deprecated: Return type of values::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/AK3tb on line 20
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 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
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/AK3tb on line 35
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/AK3tb 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/AK3tb on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/AK3tb on line 3
Process exited with code 255.

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