How can the code snippet be improved to avoid the error related to the missing file "install.php"?

The issue of the missing file "install.php" can be solved by checking if the file exists before including it in the code. This can be done using the `file_exists()` function in PHP to verify the presence of the file before attempting to include it. By adding this check, the code can avoid the error related to the missing file. 

<?php
$file = 'install.php';

if (file_exists($file)) {
    include $file;
} else {
    echo "Error: File $file not found.";
}
?>

Keywords

file_exists include require error handling file path

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