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<?php |
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namespace Jackal\Copycat\Sorter\ValueSorter; |
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use Jackal\Copycat\Sorter\SorterInterface; |
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/** |
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* Class AscendingSorter |
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* @package Jackal\Copycat\Sorter\ValueSorter |
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*/ |
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class AscendingSorter implements SorterInterface |
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{ |
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/** |
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* @var array |
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*/ |
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protected $fieldNames; |
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/** |
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* @return int |
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*/ |
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protected function getOrder() |
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{ |
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return SORT_ASC; |
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} |
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/** |
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* AscendingSorter constructor. |
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* @param mixed ...$fieldName |
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*/ |
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public function __construct(...$fieldName) |
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{ |
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$this->fieldNames = func_get_args(); |
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} |
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/** |
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* @param $values |
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* @return array|mixed |
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*/ |
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public function __invoke(&$values) |
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{ |
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$orderColumns = []; |
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foreach ($this->fieldNames as $fieldName) { |
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$orderColumns[$fieldName] = $this->getOrder(); |
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} |
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$values = array_values($this->array_mSort($values, $orderColumns)); |
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return $values; |
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} |
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/** |
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* @param $array |
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* @param $cols |
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* @return array |
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* Taken from https://www.php.net/manual/en/function.array-multisort.php |
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*/ |
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private function array_mSort($array, $cols) |
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{ |
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$colArr = []; |
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foreach ($cols as $col => $order) { |
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$colArr[$col] = []; |
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foreach ($array as $k => $row) { |
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$colArr[$col]['_' . $k] = strtolower($row[$col]); |
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} |
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} |
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/** @noinspection SpellCheckingInspection */ |
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$eval = 'array_multisort('; |
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foreach ($cols as $col => $order) { |
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$eval .= '$colArr[\'' . $col . '\'],' . $order . ','; |
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} |
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$eval = substr($eval, 0, -1) . ');'; |
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eval($eval); |
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$ret = []; |
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foreach ($colArr as $col => $arr) { |
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foreach ($arr as $k => $v) { |
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$k = substr($k, 1); |
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if (!isset($ret[$k])) { |
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$ret[$k] = $array[$k]; |
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} |
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$ret[$k][$col] = $array[$k][$col]; |
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} |
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} |
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return $ret; |
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} |
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} |
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lucajackal85 /
Copycat
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