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<?php |
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class HelperArray { |
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/** |
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* Overwrites old array with new |
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*/ |
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const OVERWRITE = 0; |
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/** |
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* Merges old array with new with array_merge() |
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* String keys replaced, numeric keys renumbered |
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*/ |
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const MERGE_PHP = 1; |
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const CLONE_NONE = 0; |
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const CLONE_SHALLOW = 1; |
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const CLONE_DEEP = 2; |
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/** |
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* Convert $delimiter delimited string to array |
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* |
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* @param mixed $string |
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* @param string $delimiter |
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* |
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* @return array |
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*/ |
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public static function stringToArray($string, $delimiter = ',') { |
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return is_string($string) && !empty($string) ? explode($delimiter, $string) : array(); |
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} |
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/** |
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* Convert single value to array by reference |
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* |
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* @param mixed &$value |
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*/ |
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public static function makeArrayRef(&$value, $index = 0) { |
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if (!is_array($value)) { |
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$value = array($index => $value); |
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} |
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} |
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/** |
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* Convert single value to array |
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3 |
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* |
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* @param mixed $value |
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* |
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* @return array |
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*/ |
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public static function makeArray($value, $index = 0) { |
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static::makeArrayRef($value, $index); |
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return $value; |
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} |
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/** |
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* Filters array by callback |
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* |
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* @param mixed $array |
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* @param callable $callback |
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* |
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* @return array |
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*/ |
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public static function filter(&$array, $callback) { |
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$result = array(); |
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if (is_array($array) && !empty($array)) { |
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foreach ($array as $value) { |
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if (call_user_func($callback, $value)) { |
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$result[] = $value; |
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} |
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} |
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} |
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return $result; |
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} |
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/** |
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* Filter empty() values from array |
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* |
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* @param $array |
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* |
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* @return array |
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*/ |
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public static function filterEmpty($array) { |
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return static::filter($array, 'Validators::isNotEmpty'); |
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} |
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/** |
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1 |
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* @param string $string |
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* @param string $delimiter |
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* |
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* @return array |
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*/ |
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public static function stringToArrayFilterEmpty($string, $delimiter = ',') { |
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return static::filterEmpty(static::stringToArray($string, $delimiter)); |
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} |
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/** |
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* @param mixed|array &$arrayOld |
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* @param mixed|array $arrayNew |
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* @param int $mergeStrategy - default is HelperArray::ARRAY_REPLACE |
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*/ |
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public static function merge(&$arrayOld, $arrayNew = array(), $mergeStrategy = HelperArray::OVERWRITE) { |
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static::makeArrayRef($arrayNew); |
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static::makeArrayRef($arrayOld); |
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switch($mergeStrategy) { |
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case HelperArray::MERGE_PHP: |
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$arrayOld = array_merge($arrayOld, $arrayNew); |
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break; |
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1 |
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default: |
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$arrayOld = $arrayNew; |
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break; |
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} |
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} |
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/** |
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* @param array &$array |
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* @param mixed $key |
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* @param mixed $alternative |
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* |
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* @return mixed |
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*/ |
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public static function keyExistsOr(&$array, $key, $alternative) { |
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return array_key_exists($key, $array) ? $array[$key] : $alternative; |
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} |
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/** |
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* @param array &$array |
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133
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* @param int $deep |
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*/ |
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public static function cloneDeep(&$array, $deep = HelperArray::CLONE_DEEP) { |
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foreach ($array as &$value) { |
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if (is_object($value)) { |
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$value = clone $value; |
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} elseif (is_array($value) && $deep == HelperArray::CLONE_DEEP) { |
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static::cloneDeep($value, $deep); |
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} |
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} |
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} |
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145
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} |
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supernova-ws /
SuperNova
