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<?php
namespace ipl\Orm\Common;
use ipl\Stdlib\Str;
class SortUtil
{
/**
* Create the sort column(s) and direction(s) from the given sort spec
*
* @param array|string $sort
*
* @return array<int, mixed> Sort column(s) and direction(s) suitable for {@link OrderByInterface::orderBy()}
*/
public static function createOrderBy($sort): array
{
$columnsAndDirections = static::explodeSortSpec($sort);
$orderBy = [];
foreach ($columnsAndDirections as $columnAndDirection) {
list($column, $direction) = static::splitColumnAndDirection($columnAndDirection);
$orderBy[] = [$column, $direction];
}
return $orderBy;
}
/**
* Explode the given sort spec into its sort parts
*
* @param array|string $sort
*
* @return array
*/
public static function explodeSortSpec($sort)
{
return Str::trimSplit(implode(',', (array) $sort));
}
/**
* Normalize the given sort spec to a sort string
*
* @param array|string $sort
*
* @return string
*/
public static function normalizeSortSpec($sort)
{
return implode(',', static::explodeSortSpec($sort));
}
/**
* Explode the given sort part into its sort column and direction
*
* @param string $sort
*
* @return array
*/
public static function splitColumnAndDirection($sort)
{
return Str::symmetricSplit($sort, ' ', 2);
}
}
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