How to escape and reverse escape characters in php

This article mainly introduces the relevant knowledge of "how to escape and reverse the meaning of characters in php". Xiaobian shows you the operation process through actual cases. The operation method is simple and fast and practical. I hope this article "how to escape and reverse the meaning of characters in php" can help you solve the problem.

In php, you can escape characters using the addslashes() function, syntax "addslashes($str)"; you can reverse characters using the stripslashes() function, syntax "stripslashes($str)".

Operating environment of this tutorial: Windows 7 system, PHP7.1 version, DELL G3 computer

In php, you can use addslashes() and stripslashes() to escape and invert characters.

addslashes() function

addslashes() adds\to a string and escapes the specified string. The syntax is as follows:

addslashes($str)

where $str is the string to escape.

In the string returned by addslashes() function, backslashes are added before certain characters for database query and other statements. These characters are single quotes ', double quotes ", backslashes\and NULL.

Examples: