What to do if php sql is garbled

Solution to php sql garbled code: 1. Select ANSI encoding when saving the PHP file; 2. Add "header("Content-Type: text/html; CHARSET=GBK");" to the PHP file header; 3. Transcode the SQL before querying; 4. Just transcode the query results containing Chinese columns.

The operating environment of this tutorial: Windows 7 system, PHP version 8.1, Dell G3 computer.

What should I do if php sql is garbled?

Solve the problem of PHP connection to SQLSERVER and Chinese garbled characters

1. Chinese characters in the SQL statement will cause the query to fail;

2.Query The result will be garbled characters in Chinese.

Solution one (simpler, recommended):

1. Select ANSI encoding when saving the PHP file;

Attachment: VS Code changes Default text encoding, File->Preferences->Usersettings, search encoding, change utf8 to gbk

2, add

header("Content-Type: text/html; CHARSET=GBK");

$sql = "SELECT '是'='是'"; 
$sql=iconv('UTF-8','GBK',$sql);

$stmt = sqlsrv_query( $conn, $sql);
if($stmt){
    while( $row = sqlsrv_fetch_array( $stmt, SQLSRV_FETCH_NUMERIC) ) {
        echo iconv(&#39;GBK&#39;,&#39;UTF-8&#39;,$row[0])."<br />";
    }
}

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