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Editorial Team
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Asked: 2026-05-26T05:00:51+00:00

Is there some fancy syntax I can use within the preg_match_all function to establish

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Is there some fancy syntax I can use within the preg_match_all function to establish the new $matches variable at that time, rather than doing so beforehand as I have done below?

 $matches = '';
 preg_match_all('/[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}/', file_get_contents($eFetchURL), $matches);

Thanks in advance for your help!

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1 Answer

  1. Editorial Team

    Yes, namely this:

    preg_match_all('/[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}/', file_get_contents($eFetchURL), $matches);

    Taking the reference of a non-existent variable in PHP is not an error. Rather, PHP automatically declares the variable for you and defines it as NULL.

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