Only Variables can be passed by reference error

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一生所求
一生所求 2020-12-07 01:26

An error occurred in script \'/usr/local/apache2/htdocs/read.php\' on line 197: Only variables should be passed by reference (line 196 is $ext = strtolo

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  •  无人及你
    2020-12-07 01:51

    You need to make the result of explode() a variable before you pass it on

    $var = explode('.',$filename);
    $ext = strtolower(array_pop($var));
    

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