


When connecting PHP to the Python database, if character problems such as garbled characters occur, it may be due to the following reasons:
1. Inconsistent encoding: When PHP connects to the Python database, if the encoding Inconsistency will lead to garbled data during data transmission.
2. Python database default encoding: Python’s default encoding is utf-8, while PHP uses ISO-8859-1 for encoding. When PHP connects to a Python database, if the encoding format is not set, the default encoding format will be used, resulting in garbled data during data transmission.
In response to the above problems, we can take the following methods to solve them.
Method 1. Specify the encoding format
When PHP establishes a connection to the Python database, we can specify the encoding format. This method is suitable for situations where the encoding formats are inconsistent. The encoding format can be specified in PHP using the mysqli_set_charset() function.
For example:
$db = mysqli_connect("host", "username", "password", "database"); mysqli_set_charset($db, "utf8");
Set utf8 as the encoding format.
In Python, you can also set the encoding format. When using the Python MySQL Connector, you can specify the encoding format when establishing the connection. For example:
import mysql.connector cnx = mysql.connector.connect(user='[username]', password='[password]', host='[hostname]', database='[databasename]', charset='utf8')
Use charset='utf8' to specify the encoding format.
Method 2. Use unicode_escape encoding
When the encoding format of the PHP program and the Python program are inconsistent, you can use the encoding method of unicode_escape. In Python, you can use the repr() function to convert the result to a raw string, and then use the stripslashes() function in PHP to restore it.
For example:
import mysql.connector cnx = mysql.connector.connect(user='[username]', password='[password]', host='[hostname]', database='[databasename]') query = "SELECT * FROM [table] WHERE [column] = %s" cursor = cnx.cursor() cursor.execute(query, ("[value]".decode('unicode_escape'),)) result = cursor.fetchall()
In PHP, you can use:
$string = addslashes('a string that "needs" to be escaped! \x99'); echo stripcslashes($string);
Method 3. Use the mb_convert_encoding() function
mb_convert_encoding() to convert the encoding for another encoding method. When the encoding formats of the PHP program and the Python program are inconsistent, the read data can be encoded and converted using the mb_convert_encoding() function.
For example:
$db = mysqli_connect("host", "username", "password", "database"); $query = "SELECT * FROM [table] WHERE [column] = %s"; $stmt = mysqli_prepare($db, $query); mysqli_stmt_bind_param($stmt, "s", $value); mysqli_stmt_execute($stmt); mysqli_stmt_bind_result($stmt, $column1, $column2); while (mysqli_stmt_fetch($stmt)) { $column1 = mb_convert_encoding($column1, "UTF-8", "auto"); $column2 = mb_convert_encoding($column2, "UTF-8", "auto"); echo $column1 . " " . $column2; } mysqli_stmt_close($stmt); mysqli_close($db);
The above method can effectively solve the problem of garbled characters when PHP connects to the Python database. During use, you need to choose the most appropriate method according to the actual situation.
The above is the detailed content of What should I do if php reads garbled characters from the python database?. For more information, please follow other related articles on the PHP Chinese website!

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