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<?php |
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namespace andmemasin\helpers; |
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use yii\base\InvalidParamException; |
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use yii\base\BaseObject; |
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use yii\db\ActiveRecord; |
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use yii\helpers\ArrayHelper; |
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/** |
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* my additions to yii's default arrayhelper |
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* |
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* @package app\models\helpers |
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* @author Tonis Ormisson <[email protected]> |
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*/ |
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class MyArrayHelper extends ArrayHelper{ |
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/** |
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* Take a non-indexed array and make an indexed array using the value |
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* as both index and value |
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* @param array $array A NON-INDEXES single dimension array |
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* @return array |
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* @throws InvalidParamException |
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*/ |
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public static function selfIndex($array) { |
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if(is_array($array)){ |
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$out = []; |
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foreach ($array as $value) { |
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$out[$value] = $value; |
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} |
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return $out; |
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}else{ |
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throw new InvalidParamException(gettype($array).' used as array in '.__CLASS__.'::'.__FUNCTION__); |
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} |
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} |
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/** |
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* Re-index an array based on a map. Map holds the indexes we want to apply to array. |
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* @param array $map |
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* @param array $array |
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* @return array |
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*/ |
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public static function mapIndex($map, $array){ |
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if(is_array($array)){ |
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$out = []; |
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foreach ($map as $key => $value){ |
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$out[$value] = $array[$key]; |
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} |
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return $out; |
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}else{ |
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throw new InvalidParamException(gettype($array).' used as array in '.__CLASS__.'::'.__FUNCTION__); |
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} |
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} |
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/** |
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* Converts an non-indexed MULTIDIMENSIONAL array (such as data matrix from spreadsheet) |
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* into an indexed array based on the $i-th element in the array. By default its the |
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* first [0] element (header row). The indexing element will be excluded from output |
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* array |
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* @param array $array |
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* @param integer $i |
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* @return array |
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*/ |
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public static function indexByRow($array, $i = 0){ |
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$keys = $array[$i]; |
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if(is_array($array) && !empty($array)){ |
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$newArray= []; |
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foreach ($array as $key=> $row) { |
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// don'd add the indexing element into output |
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if($key != $i){ |
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$newRow = []; |
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$j = 0; |
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foreach ($row as $cell) { |
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$newRow[$keys[$j]] = $cell; |
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$j++; |
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} |
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$newArray[] = $newRow; |
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} |
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} |
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return $newArray; |
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}else{ |
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throw new InvalidParamException(gettype($array).' used as array in '.__CLASS__.'::'.__FUNCTION__); |
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} |
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} |
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/** |
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* Take an multi-dimensional array and re-index it by a value in each array element |
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* @param array $array |
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* @param string $colName |
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* @return array |
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*/ |
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public static function indexByColumn($array, $colName){ |
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if(is_array($array)){ |
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if(!empty($array)){ |
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$newArray= []; |
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foreach ($array as $key => $row) { |
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if($row instanceof ActiveRecord){ |
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$rowArr = (array) $row->attributes; |
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}else if(is_array($row)){ |
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$rowArr = $row; |
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}else{ |
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throw new InvalidParamException('Only arrays or ActiveRecord Objects can be used in '.__CLASS__.'::'.__FUNCTION__); |
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} |
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// make it array if input is object |
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if(!isset($rowArr[$colName])){ |
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throw new InvalidParamException('"'.$colName.'" missing as key in '.__CLASS__.'::'.__FUNCTION__); |
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} |
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$newArray[$rowArr[$colName]] = $row; |
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} |
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return $newArray; |
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} |
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// do nothing, empty array |
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return $array; |
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}else{ |
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throw new InvalidParamException(gettype($array).' used as array in '.__CLASS__.'::'.__FUNCTION__); |
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} |
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} |
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/** |
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* Remove element(s) from array based on their value |
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* @param array $array Haystack |
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* @param mixed $removeValue value that we look for to delete |
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* @return array |
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*/ |
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public static function removeByValue($array,$removeValue,$column = false) { |
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foreach ($array as $key =>$value) { |
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// if column is set then remove by specific column value |
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if($column){ |
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if($value === $value[$column]){ |
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unset($array[$key]); |
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} |
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}else{ |
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if($value === $removeValue){ |
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unset($array[$key]); |
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} |
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} |
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} |
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return $array; |
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} |
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/** |
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* Remove an ActiveRecord model from array of models by a value in one specified attribute |
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* @param ActiveRecord[] $models |
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* @param string $attribute |
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* @param string $value |
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* @return ActiveRecord[] |
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*/ |
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public static function removeModelByColumnValue($models, $attribute, $value){ |
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if(!empty($models)){ |
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foreach ($models as $key => $model){ |
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if($model->{$attribute} === $value){ |
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unset($models[$key]); |
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} |
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} |
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} |
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return $models; |
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} |
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} |
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