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This article introduces the relevant knowledge of "how to replace the plus sign with php". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Php to replace the plus sign method: 1, open the corresponding code file; 2, through the "data.replace (/\ + / g,"% 2B ");" method to replace the plus sign.

This article operating environment: Windows7 system, PHP7.4 version, Dell G3 computer.

How does php replace the plus sign?

The plus sign handling of the get method in php:

1. The methods of online search are as follows:

Using the get method, if there is a "+" in the parameter, it should be processed, otherwise it will become a space in the background.

Solution:

1. Use post method and ok instead.

2. Use url = encodeURI (encodeURI (XXX)) in js

3. Convert the plus sign in the parameter datadata = data.replace (/\ + / g, "% 2B")

(2) 3 steps can be combined into one step encodeURIComponent (encodeURIComponent (xxxx)

4. PHP accepts to use rawurldecode backend to decode it again, ok

2. Add a method (replacement method) by yourself, which is not so troublesome. First of all, get to know the composition of base64:

In e-mail in MIME format, base64 can be used to encode binary byte sequence data into text composed of ASCII character sequences. When in use, specify base64 in the transmission encoding mode.

The characters used include 26 uppercase and lowercase letters, plus 10 digits, plus sign "+", slash "/", a total of 64 characters, and the equal sign "=" is used as a suffix.

So you can replace the "+" sign with "_", "|" and so on before the string base64 is transmitted, and then replace it when another page receives it (str_replace). Finally, the replaced base64 is decoded. Ok

This is the end of "how to replace the plus sign with php". Thank you for reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!

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