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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){ if (null !== $data){ $this->_data = $data; } } // ------------ \Iterator implementation public function current(){ return $this->{$this->_key}; } public function key(){ return $this->_key; } public function next(){ $this->_key = \next($this->_keys); } public function rewind(){ $this->_keys = []; foreach ($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/iRXke on line 13 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/iRXke on line 19 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/iRXke on line 16 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/iRXke on line 29 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/iRXke on line 22
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 7.1.0 - 7.1.24, 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 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/iRXke on line 23
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iRXke on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iRXke on line 20 Parse error: syntax error, unexpected '[' in /in/iRXke on line 23
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iRXke on line 3 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iRXke on line 20 Parse error: parse error, unexpected '[' in /in/iRXke on line 23
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/iRXke 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/iRXke on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/iRXke on line 3
Process exited with code 255.

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