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<?php |
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namespace Northwoods\Config; |
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class Parser |
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{ |
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/** |
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* @param string $name |
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* @return array |
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*/ |
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public static function getKey($name) |
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{ |
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$file = $key = $sub = null; |
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$parts = explode('.', $name); |
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if (isset($parts[0])) { |
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$file = $parts[0]; |
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} |
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if (isset($parts[1])) { |
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$key = $parts[1]; |
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} |
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if (isset($parts[2])) { |
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$sub = []; |
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foreach (array_slice($parts, 2) as $subkey) { |
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$sub[] = $subkey; |
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} |
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} |
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return array($file, $key, $sub); |
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} |
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/** |
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* @param array $haystack |
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* @param null|string $key |
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* @param null|array $sub |
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* @param null|mixed $default |
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* @return mixed |
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*/ |
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public static function getValue(array $haystack = null, $key = null, $sub = null, $default = null) |
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{ |
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if (empty($key) && !isset($haystack)) { |
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return $default; |
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} elseif (empty($key)) { |
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if (!isset($haystack) && null !== $default) { |
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return $default; |
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} elseif (isset($haystack)) { |
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return $haystack; |
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} |
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return null; |
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} elseif (!empty($key) && empty($sub)) { |
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if (empty($haystack[$key]) && null !== $default) { |
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return $default; |
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} elseif (isset($haystack[$key])) { |
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return $haystack[$key]; |
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} |
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return null; |
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} elseif (is_array($sub)) { |
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$array = isset($haystack[$key]) ? $haystack[$key] : []; |
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$value = self::findInMultiArray($sub, $array); |
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if (empty($value) && null !== $default) { |
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return $default; |
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} elseif (isset($value)) { |
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return $value; |
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} |
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return null; |
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} |
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return null; |
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} |
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/** |
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* @param array $needle |
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* @param array $haystack |
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* @return mixed |
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*/ |
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private static function findInMultiArray(array $needle, array $haystack) |
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{ |
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$currentNeedle = current($needle); |
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$needle = array_slice($needle, 1); |
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if (isset($haystack[$currentNeedle]) && is_array($haystack[$currentNeedle]) && count($needle)) { |
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return self::findInMultiArray($needle, $haystack[$currentNeedle]); |
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} elseif (isset($haystack[$currentNeedle]) && !is_array($haystack[$currentNeedle]) && count($needle)) { |
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return null; |
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} elseif (isset($haystack[$currentNeedle])) { |
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return $haystack[$currentNeedle]; |
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} |
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return null; |
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} |
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} |
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northwoods /
config
