orderBy

Used to sort the results of an operation.

Basic usage

Default DESC collation

$builder->orderBy('col1', 'ASC')->get('getTable');
$builder->where('col1',2)->orderBy('col1', 'ASC')->get('getTable');

ORDER BY FIELD

Can be implemented by the third parameter

$array = [
    'a',
    'b'
];
$builder->orderBy('', 'DESC', $array)->get('getTable');

Principle of implementation

if (is_array($customFieldsOrRegExp)) {
    foreach ($customFieldsOrRegExp as $key => $value) {
        $customFieldsOrRegExp[$key] = preg_replace("/[^\x80-\xff-a-z0-9\.\(\),_` ]+/i", '', $value);
    }
    $orderByField = 'FIELD (' . $orderByField . ', "' . implode('","', $customFieldsOrRegExp) . '")';
}

ORDER BY REGEXP

Can be implemented by the third parameter

Principle of implementation

if (is_string($customFieldsOrRegExp)) {
    $orderByField = $orderByField . " REGEXP '" . $customFieldsOrRegExp . "'";
}

Pass the instructions

Method prototype

function orderBy($orderByField, $orderbyDirection = "DESC", $customFieldsOrRegExp = null)

• $orderByField Sort field
• $orderbyDirection Sort rule
• $customFieldsOrRegExp Other conditions