Unlink and @ unlink in php? Solution

Unlink and @ unlink in php? Some PHP files are deleted using unlink, and some PHP files are deleted using @ unlink? What are the differences between the two? Sometimes @ unlink cannot be used but unlink cannot be used. it is only used to control whether an error is output or not. sometimes @ unlink cannot be used instead. Are you sure you want? You cannot use unlink and @ unlink in php?
Some PHP files are deleted using unlink, and some PHP files are deleted using @ unlink?
What are the differences between the two?

Sometimes @ unlink cannot be used instead of unlink.



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It's just that the control has no output error.


Sometimes @ unlink cannot be used instead of unlink.

Are you sure you want? You cannot determine how it is.
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Sometimes @ unlink cannot be used instead of unlink.
What is wrong?
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Sometimes @ unlink cannot be used instead of unlink.
The opposite! It should be
Sometimes @ unlink is used, but unlink is not used.

Take a closer look ?!

@ Block error output

When deleting a non-existing or read-only file, an error is reported.
@: I won't tell you if something goes wrong! Lie to you, don't discuss

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An error occurs when a file is deleted. for example, when the security software scans a file, it is easy to delete it because it is occupied,
Therefore, it is normal that one deletion fails.

However, there must be countermeasures. for example, if the deletion fails three times and the deletion fails three times, the deletion may fail.