What potential issue can arise from including a PHP file without checking its existence first?

Including a PHP file without checking its existence first can lead to a "file not found" error if the file does not exist. To solve this issue, you should always check if the file exists before including it to prevent any errors. 

// Check if the file exists before including it
$file = 'myfile.php';
if (file_exists($file)) {
    include $file;
} else {
    echo "File not found";
}

Keywords

include require file_exists error handling PHP

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