


In development, many times we need to pass Chinese parameters to the backend. However, when using GET to pass parameters, we may encounter the problem of Chinese garbled characters. This article will introduce how to avoid Chinese garbled characters and ensure data integrity.
- Transmitting Chinese parameters by GET method
When passing parameters by GET method, we usually pass the parameters in the form of URL parameters, for example:
http://example.com?name=张三&age=18
However, when the parameters contain Chinese characters, garbled characters may occur. For example:
http://example.com?name=%D5%C5%BB%F9&age=18
This is because Chinese characters will be converted into URL-encoded form, and the backend cannot correctly process the encoded string, resulting in garbled characters.
- Solve the problem of Chinese garbled characters
2.1. urlencode() function
PHP provides the urlencode() function, which is used to URL encode strings , including Chinese characters. We can encode the parameters through the urlencode() function, for example:
$name = urlencode('张三'); $age = 18; $url = "http://example.com?name=$name&age=$age";
When accessing the URL, it will be automatically decoded and the parameters will be passed correctly to avoid the problem of Chinese garbled characters.
2.2. urldecode() function
When the backend receives the encoded parameters, it needs to use the urldecode() function to decode the encoded string, for example:
$name = urldecode($_GET['name']); $age = $_GET['age'];
2.3. rawurlencode() function
In addition, PHP also provides the rawurlencode() function, which is used to URL encode strings according to RFC 3986, including Chinese characters. When using GET to pass Chinese parameters, it is recommended to use the rawurlencode() function to avoid Chinese garbled characters.
- Summary
By using the urlencode() function to encode Chinese parameters, and using the urldecode() function to decode parameters, the problem of Chinese garbled characters can be well avoided . At the same time, it is recommended to use the rawurlencode() function to encode the URL according to the RFC 3986 standard to ensure data integrity.
The above is the detailed content of How to avoid Chinese garbled characters when passing parameters in php get? Method introduction. For more information, please follow other related articles on the PHP Chinese website!

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