Usage of double quotation marks, single quotation marks, and backslash

Source: Internet
Author: User
Summary of double quotation marks, single quotation marks, and backslash usage-Linux general technology-Linux programming and kernel information. I used to learn linux shell, and now I am studying php. There are double quotation marks, single quotation marks, and backslash usage in it. Now I will summarize the differences.

Strings enclosed by double quotation marks are the most common in PHP scripts because they provide maximum flexibility because the variables and escape sequences are parsed accordingly.
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