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<?php |
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namespace WebServCo\Framework; |
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final class ArrayStorage |
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{ |
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/** |
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* Parse the setting key to make sure it's a simple string |
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* or an array. |
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*/ |
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final private static function parseSetting($setting) |
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{ |
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if (is_string($setting) && |
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false !== strpos($setting, \WebServCo\Framework\Settings::DIVIDER)) { |
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return explode(\WebServCo\Framework\Settings::DIVIDER, $setting); |
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} |
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return $setting; |
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} |
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/** |
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* Retrieve a value from a storage array. |
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* |
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* @param array $storage |
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* @param mixed $setting Can be an array, a string, |
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* or a special formatted string |
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* (eg 'app|path|project'). |
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* @param mixed $defaultValue |
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* @return mixed |
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*/ |
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final public static function get($storage = [], $setting = null, $defaultValue = false) |
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{ |
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$setting = self::parseSetting($setting); |
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if (empty($setting) || empty($storage)) { |
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return $defaultValue; |
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} |
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/** |
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* If $setting is an array, process it recursively. |
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*/ |
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if (is_array($setting)) { |
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/** |
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* Check if we have the first $setting element in the |
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* configuration data array. |
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*/ |
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if (array_key_exists(0, $setting) && array_key_exists($setting[0], $storage)) { |
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/** |
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* Remove first element from $setting. |
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*/ |
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$key = array_shift($setting); |
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/** |
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* At the end of the recursion $setting will be |
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* an empty array. In this case we simply return the |
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* current configuration data. |
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*/ |
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if (empty($setting)) { |
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return $storage[$key]; |
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} |
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/** |
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* Go down one lement in the configuration data |
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* and call the method again, with the remainig setting. |
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*/ |
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return self::get($storage[$key], $setting, $defaultValue); |
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} |
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/** |
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* The requested setting doesn't exist in our |
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* configuration data array. |
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*/ |
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return $defaultValue; |
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} |
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/** |
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* If we arrive here, $setting must be a simple string. |
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*/ |
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if (array_key_exists($setting, $storage)) { |
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return $storage[$setting]; |
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} |
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/** |
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* If we got this far, there is no data to return. |
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*/ |
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return $defaultValue; |
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} |
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/** |
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* Sets a value in a storage array. |
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* |
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* @param array $storage |
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* @param mixed $setting Can be an array, a string, |
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* or a special formatted string |
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* (eg 'app|path|project'). |
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* @param mixed $value The value to be stored. |
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* |
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* @return array The storage array with new data. |
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*/ |
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final public static function set($storage, $setting, $value) |
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{ |
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if (!is_array($storage) || empty($setting)) { |
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return $storage; |
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} |
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$setting = self::parseSetting($setting); |
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if (is_array($setting)) { |
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$reference = &$storage; |
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foreach ($setting as $item) { |
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$reference = &$reference[$item]; |
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} |
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$reference = $value; |
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unset($reference); |
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return $storage; |
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} |
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$storage[$setting] = $value; |
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return $storage; |
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} |
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/** |
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* Append data to a storage array. |
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* |
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* @param array $storage |
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* @param mixed $data |
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* @return array |
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*/ |
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final public static function append($storage, $data = []) |
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{ |
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if (is_array($storage) && is_array($data)) { |
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foreach ($data as $setting => $value) { |
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if (array_key_exists($setting, $storage) && |
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is_array($storage[$setting]) && |
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is_array($value) |
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) { |
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$storage[$setting] = self::append($storage[$setting], $value); |
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} else { |
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$storage[$setting] = $value; |
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} |
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} |
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} |
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return $storage; |
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} |
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} |
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webservco /
framework
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