DataBase/script/php/sql_search_count.php

<?php

if (isset($_GET['project_id'])) {
    include("sql.php");
    $project_id = implode("', '", $_GET['project_id']);
    $type_id = implode("', '", $_GET['type_id']);
    $notes_name = implode("', '", $_GET['notes_name']);
    $search = $_GET['search'];
    $array = [];

    $connectionInfo = array("Database" => "$dbname", "UID" => "$username", "PWD" => "$password", "CharacterSet" => "UTF-8");
    $conn = sqlsrv_connect($hostname, $connectionInfo);
    if ($conn === false) {
        die(print_r(sqlsrv_errors(), true));
    }

    $sql = "SELECT DISTINCT COUNT(*) AS 'total' FROM [21000X].[dbo].[Blueprint]
        INNER JOIN [Project_Table] ON [Blueprint].[project_id] = [Project_Table].[project_id] 
        INNER JOIN [Construction_Category] ON [Project_Table].[category_id] = [Construction_Category].[category_id]
        WHERE [Blueprint].[project_id] IN ('$project_id') AND [type_id] IN ('$type_id') AND [notes] IN ('$notes_name') 
        AND CONCAT(
            [Blueprint].[project_id] ,' '
            ,[SN] ,' '
            ,[blueprint_id] ,' '
            ,[original_name] ,' '
            ,[keyword] ,' '
            ,[notes] ,' '
            ,[filename]) like '%".$search."%'
        UNION
        SELECT DISTINCT COUNT(*) AS 'total' FROM [21000X].[dbo].[File_Table]
        INNER JOIN [Project_Table] ON [File_Table].[project_id] = [Project_Table].[project_id]
        INNER JOIN [Construction_Category] ON [Project_Table].[category_id] = [Construction_Category].[category_id]
        WHERE [File_Table].[project_id] IN ('$project_id') AND [type_id] IN ('$type_id')
        AND CONCAT(
            [File_Table].[project_id],' '
            ,[SN],' '
            ,[type_id],' '
            ,[original_name],' '
            ,[filename],' ') like '%".$search."%';";
    
    $fetchResult = sqlsrv_query($conn, $sql);
    while ($row = sqlsrv_fetch_array($fetchResult, SQLSRV_FETCH_ASSOC)) {
        array_push($array ,$row);
    }
    echo json_encode($array,JSON_UNESCAPED_UNICODE);
} else {
    die("post error!");
}

?>