Error Suppression with '@'

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Good Morning,
I was having a discussion with a fellow PHP Developer this morning and he
mentioned that he put's an '@' sign in front of all function calls, and
every time he accesses an array;

I know that this is sloppy, and dangerous, but I don't know exactly what
this exposes him to, can any one give me any real world examples of why
this is bad, so I can relate it to his code?

php.net does not have much information about this. It seems like
suppressing errors, rather then catching them is problematic.


Thanks Again.

Justin.

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