[英]PHP/AJAX Case Insensitive search
I am trying to do create a case-insensitive search on multiple DB columns in a single search input. 我试图在单个搜索输入中的多个数据库列上创建不区分大小写的搜索。
Currently I have the search working for multiple columns using a single search string. 目前,我使用单个搜索字符串搜索多个列。 The issue is that it does not work case-insensitive.
问题是它不会对大小写不敏感。
As an example...if I search a project's status: "paid" it will not find the associated project because the status name in the DB is set to "Paid". 作为示例...如果我搜索项目的状态:“付费”,它将找不到关联的项目,因为数据库中的状态名称设置为“付费”。
I am trying to make it so a user can search by "paid" or "Paid" returning the same results. 我试图让它成为用户可以通过“付费”或“付费”搜索返回相同的结果。
Here is my code: 这是我的代码:
if (isset($_GET['keyword'])) {
$_SESSION['quickSearch']=$_GET['keyword'];
$keyword = trim($_GET['keyword']);
$srWords = explode(' ', $keyword);
$srString = array();
foreach ($srWords as $srWord) {
if (!empty($srWord))
$srString[] = '[NM] like \'%' . $db->sql_escape($srWord) . '%\'';
}
$srStringHving = implode(' AND ', $srString);
$srString = implode(' OR ', $srString);
$query = "SELECT clients.clientName,
projects.Client_ID,
projects.projectNumber,
projects.projectName,
projects.projectManager,
projects.expectedDate,
projects.address,
projects.CreationDate,
projects.custom1,
projects.custom2,
projects.custom3,
projects.custom4,
projects.custom5,
projects.custom6,
projects.custom7,
projects.custom8,
projects.custom9,
projects.Status_ID,
statuses.status, concat(clients.clientName,' ',
projects.Client_ID,' ',
projects.projectNumber,' ',
projects.projectName,' ',
projects.projectManager,' ',
projects.expectedDate,' ',
projects.address,' ',
projects.CreationDate,' ',
projects.custom1,' ',
projects.custom2,' ',
projects.custom3,' ',
projects.custom4,' ',
projects.custom5,' ',
projects.custom6,' ',
projects.custom7,' ',
projects.custom8,' ',
projects.custom9,' ',
projects.Status_ID,' ',
statuses.status) as srterm
FROM projects
JOIN clients ON projects.Client_ID = clients.Client_ID
JOIN statuses ON projects.Status_ID = statuses.Status_ID
WHERE " . str_ireplace('[NM]', 'clientName', $srString) . "
OR " . str_ireplace('[NM]', 'projectNumber', $srString) . "
OR " . str_ireplace('[NM]', 'projectName', $srString) . "
OR " . str_ireplace('[NM]', 'address', $srString) . "
OR " . str_ireplace('[NM]', 'area', $srString) . "
OR " . str_ireplace('[NM]', 'status', $srString) . "
OR " . str_ireplace('[NM]', 'custom1', $srString) . "
OR " . str_ireplace('[NM]', 'custom2', $srString) . "
OR " . str_ireplace('[NM]', 'custom3', $srString) . "
OR " . str_ireplace('[NM]', 'custom4', $srString) . "
OR " . str_ireplace('[NM]', 'custom5', $srString) . "
OR " . str_ireplace('[NM]', 'custom6', $srString) . "
OR " . str_ireplace('[NM]', 'custom7', $srString) . "
OR " . str_ireplace('[NM]', 'custom8', $srString) . "
OR " . str_ireplace('[NM]', 'custom9', $srString) . " HAVING " . str_ireplace('[NM]', 'srterm', $srStringHving) ."
ORDER BY projects.project_ID DESC
LIMIT 0 , 200";
$result = mysqli_query($dbc, $query);
thanks, ahead of time for any help! 谢谢,提前帮忙!
From this answer : 从这个答案 :
You can lowercase the value and the passed parameter : 您可以小写值和传递的参数:
SELECT * FROM `table` WHERE LOWER(`Value`) = LOWER("DickSavagewood")
Another (better) way would be to use the COLLATE operator as said in the documentation 另一种(更好的)方法是使用文档中所述的COLLATE运算符
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