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<?php |
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namespace alkemann\h2l\util; |
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use OutOfBoundsException; |
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/** |
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* Class Util |
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* |
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* @package alkemann\h2l |
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*/ |
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class ArrayManipulations |
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{ |
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/** |
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* Look for a deeo value in a nested data array. |
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* |
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* Given $data = ['one' => ['two' => ['three' => 55]], 'four' => []]; |
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* |
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* ```php |
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* getFromArrayByKey('one.two.three', $data) -> 55 |
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* getFromArrayByKey('one|two', $data, '|') -> ['three' => 55] |
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* getFromArrayByKey('four.five', $data) -> throws OutOfBoundsException |
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* ``` |
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* |
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* @param string $key |
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* @param array $data |
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* @param string $delimiter |
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* @return mixed|null |
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*/ |
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public static function getFromArrayByKey(string $key, array $data, string $delimiter = '.') |
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{ |
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$keys = explode($delimiter, $key); |
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try { |
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return self::getArrayValueByKeys($keys, $data); |
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} catch (\OutOfBoundsException $e) { |
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return null; |
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} |
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} |
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/** |
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* Look for a deep value in a data array. |
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* |
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* Given $data = ['one' => ['two' => ['three' => 55]], 'four' => []]; |
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* |
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* ```php |
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* getArrayValueByKeys(['one','two','three'], $data) will return 55 |
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* getArrayValueByKeys(['four','five'], $data) will throw OutOfBoundsException |
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* ``` |
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* |
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* @param mixed $keys |
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* @param mixed $data passed by reference |
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* @return mixed |
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* @throws OutOfBoundsException if the key does not exist in data |
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*/ |
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public static function getArrayValueByKeys(array $keys, &$data) |
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{ |
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$key = array_shift($keys); |
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if (!is_array($data) || empty($key)) { |
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return $data; |
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} |
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if (array_key_exists($key, $data) === false) { |
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throw new OutOfBoundsException("Key [" . join('.', $keys) . ".$key] not set in " . print_r($data, 1)); |
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} |
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if (empty($keys)) { |
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return $data[$key]; |
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} else { |
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return self::getArrayValueByKeys($keys, $data[$key]); |
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} |
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} |
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public static function getRequestHeadersFromServerArray(array $server_array) |
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{ |
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$out = []; |
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foreach ($server_array as $name => $value) { |
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if (substr($name, 0, 5) == "HTTP_") { |
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$name = str_replace(" ", "-", ucwords(strtolower(str_replace("_", " ", substr($name, 5))))); |
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$out[$name] = $value; |
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} |
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} |
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if (array_key_exists("CONTENT_TYPE", $server_array)) { |
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$out["Content-Type"] = $server_array['CONTENT_TYPE']; |
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} |
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if (array_key_exists("CONTENT_LENGTH", $server_array)) { |
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$out["Content-Length"] = $server_array['CONTENT_LENGTH']; |
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} |
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return $out; |
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} |
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} |
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alkemann /
h2l
