webmastergg

$filters = [
    ['name' => 'order_number', 'condition' => '=', 'field' => 'order', 'default' => ''],
    ['name' => 'object', 'condition' => '=', 'field' => 'object', 'default' => 'Все'],
    ['name' => 'urgent', 'condition' => '=', 'field' => 'urgent', 'default' => false],
];

$conditions = '';
foreach ($filters as $filter) {
    $value = $_POST[$filter['name']];
    if($value = $filter['default']) continue;
    
    $conditions .= ' ' . $filter['field'] . $filter['condition'] . $value;
}

if($conditions !== '') $conditions = ' WHERE ' . $conditions;