This question already has an answer here:
for example in strip_tags you can use like this:
string strip_tags ( string $str [, string $allowable_tags ] )
but I wondering if it could be use like this:
@strip_tags
and What's the difference?. Thanks
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It is an Error Control Operator.
See here:
http://php.net/manual/en/language.operators.errorcontrol.php