What should I do if the php message board displays garbled characters?

Solution to the garbled code displayed on the php message board: 1. Check and modify the web page header encoding to UTF8; 2. Modify the encoding stored in the database to UTF8; 3. Execute "mysql_query("set character set UTF8") ;" statement is enough.

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

php What should I do if the message board displays garbled characters?

1. Check the encoding of the web page header. It is usually UTF8 (DW CS3)

2. If it is read from the database, check the database storage Select UTF8 as the encoding

3. You can write

mysql_query("set character set UTF8");
mysql_query("set names UTF8");

in the file connecting to the database. Related introduction:

mysql_query() function executes a MySQL query.

Syntax

mysql_query(query,connection)

Parameters

query required. Specifies the SQL query to be sent. Note: The query string should not end with a semicolon.

connection Optional. Specifies the SQL connection identifier. If not specified, the last opened connection is used.

Description

If there is no open connection, this function will try to call the mysql_connect() function without parameters to establish a connection and use it.

Return value

mysql_query() returns a resource identifier only for SELECT, SHOW, EXPLAIN or DESCRIBE statements, or FALSE if the query is executed incorrectly.

For other types of SQL statements, mysql_query() returns TRUE when executed successfully and FALSE when an error occurs.

A non-FALSE return value means the query is valid and can be executed by the server. This does not say anything about the number of rows affected or returned. It's possible that a query executed successfully but did not affect or return any rows.

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