A brief analysis of the causes and solutions of thinkphp3 garbled characters

During the development process of the thinkphp3 framework, we sometimes encounter garbled characters, which brings a lot of inconvenience to our development. Next we will analyze the possible causes of garbled characters and how to solve these problems.

1. Inconsistent database character sets

Inconsistent database character sets are an important reason why garbled characters may appear. During the development process, we generally use utf-8 as the character set. If the database character set is not UTF-8, then the data is likely to be garbled.

Solution:
Specify the database character set as utf-8 in the code, that is, find the following code segment in the configuration file:

 'DB_CHARSET' => 'utf8',

If your database character set is gbk , then you can refer to the following code:

 'DB_CHARSET' => 'gbk',

2. The database connection character set is inconsistent

In thinkphp, we can specify the database connection character set in the configuration file. If it is inconsistent with the actual database, garbled characters may appear.

Solution:
Specify the database connection character set as utf-8 in the code, that is, find the following code segment in the configuration file:

 'DB_CHARSET' => 'utf8',

If your database connection character set For gbk, you can refer to the following code:

 'DB_CHARSET' => 'gbk',

3. Editor saving file format problem

When using the editor, sometimes the encoding selected when saving the file will appear The format is inconsistent with the actual encoding format. At this time, our code is likely to be garbled.

Solution:
When saving the file, select the encoding method as utf-8.

4. php.ini configuration problem

If there is a problem with the configuration in php.ini, it may also lead to garbled characters.

Solution:
Set default_charset to utf-8 in php.ini, that is:

default_charset = "utf-8"

The above are several possible reasons for garbled characters. If the above method cannot solve your problem If there is a problem, you can try the following methods:

1. Check whether there are any places where Chinese characters appear and whether the utf-8 character set is used.
2. Confirm that the character sets of the front and back ends are consistent.
3. Check whether the character encoding is correct.

In short, it is very common for garbled characters to appear in thinkphp3 development. To solve this problem, you need to investigate patiently and carefully.

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