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<?php |
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/* |
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* @author Tom Klingenberg <https://github.com/ktomk> |
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*/ |
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namespace N98\Util; |
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class ArrayFunctions |
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{ |
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/** |
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* Merge two arrays together. |
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* |
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* If an integer key exists in both arrays, the value from the second array |
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* will be appended the the first array. If both values are arrays, they |
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* are merged together, else the value of the second array overwrites the |
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* one of the first array. |
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* |
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* @see http://packages.zendframework.com/docs/latest/manual/en/index.html#zend-stdlib |
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* @param array $a |
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* @param array $b |
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* @return array |
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*/ |
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public static function mergeArrays(array $a, array $b) |
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{ |
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foreach ($b as $key => $value) { |
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if (array_key_exists($key, $a)) { |
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if (is_int($key)) { |
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$a[] = $value; |
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} elseif (is_array($value) && is_array($a[$key])) { |
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$a[$key] = self::mergeArrays($a[$key], $value); |
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} else { |
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$a[$key] = $value; |
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} |
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} else { |
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$a[$key] = $value; |
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} |
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} |
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return $a; |
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} |
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/** |
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* @param string[] $columns |
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* @param array $table |
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* @return array table with ordered columns |
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*/ |
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public static function columnOrderArrayTable(array $columns, array $table) |
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{ |
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return array_map(function (array $array) use ($columns) { |
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return self::columnOrder($columns, $array); |
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}, $table); |
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} |
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/** |
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* order array entries (named and numbered) of array by the columns given as string keys. |
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* |
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* non-existent columns default to numbered entries or if no numbered entries exists any longer, to null. |
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* |
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* entries in array that could not consume any column are put after the columns. |
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* |
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* @param string[] $columns |
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* @param array $array |
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* @return array |
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*/ |
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public static function columnOrder(array $columns, array $array) |
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{ |
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if (!$columns) { |
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return $array; |
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} |
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$keys = array_fill_keys($columns, null); |
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$keyed = array_intersect_key($array, $keys); |
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$arrayLeftover = array_diff_key($array, $keyed); |
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$keysLeftover = array_diff_key($keys, $keyed); |
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$target = array(); |
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if ($keysLeftover) { |
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foreach ($arrayLeftover as $key => $value) { |
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if (is_string($key)) { |
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continue; |
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} |
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$target[key($keysLeftover)] = $value; |
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unset($arrayLeftover[$key]); |
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next($keysLeftover); |
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if (null === key($keysLeftover)) { |
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break; |
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} |
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} |
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} |
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$result = array_merge($keys, $keyed, $keysLeftover, $target, $arrayLeftover); |
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return $result; |
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} |
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} |
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netz98 /
n98-magerun2
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.