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Will some escape characters in single quotes not take effect? -Php Tutorial

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Will some escape characters in single quotes not take effect? Just now, it seems that only \ 'is valid for escape characters in single quotes, and \ "and \ n are not escaped.


Reply to discussion (solution)

Correct
Only single quotes must be escaped.

Correct
Only single quotes must be escaped.
The difference between single quotes and double quotes in Baidu search PHP is described in the first result. Baidu Knows it before. I only see the variable, and I can't search Baidu for this kind of problem in the future.

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