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I am writing a PHP mail function and some examples have @mail(…) and others have just mail(…).

What is the difference and which one is best to use?

Cheers

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@ supresses all warnings/errors, which mail() function may throw.

It is not good practice to use "@", because you never know if something doesn't work and also it hits the performance of you PHP application too!

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Brilliant :) That answered my question perfectly
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It's the same function but with error suppression

PHP: Error Control Operators - Manual

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@mail means you are suppressing any errors that might occur while trying to send the email, see this SO question for more information: Suppress error with @ operator in PHP

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Cheers. That answers more of my questions. Thanks for the help
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Error suppression is resource-consuming operation. It is recommended to call functions without @ and use exceptions/error handling

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I would normally use the non-suppressed functions, but I found the @mail in a site I have been maintaining and didn't want to mess with it too much.

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