What does "@" mean before a variable in PHP?

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I’m looking at a code and I came across the following:

$dom = new DOMDocument;
@$dom->loadHTML($html);

I thought @ was a mistyping, but when I remove the arroba I get a Warning:

Domdocument::loadHTML(): htmlParseEntityRef: no name in Entity

I’m looking in the manual, but I can’t find anything. What does this arroba do? And what’s his technical name?

php
  • 1

    It deletes the warnings, so when you use it the Warning is not displayed.

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