What are the best practices for handling file writing operations in PHP to avoid errors like the ones mentioned in the forum thread?

The best practices for handling file writing operations in PHP to avoid errors like the ones mentioned in the forum thread include checking if the file exists before writing to it, setting appropriate file permissions, using error handling techniques, and closing the file after writing to it. 

$file = 'example.txt';

if (file_exists($file)) {
    $handle = fopen($file, 'a');
    if ($handle) {
        fwrite($handle, 'Data to be written');
        fclose($handle);
    } else {
        echo 'Error opening file for writing';
    }
} else {
    echo 'File does not exist';
}

Keywords

file writing error handling PHP functions file permissions exception handling

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