Is using the "unlink" function necessary when overwriting the contents of a text file in PHP?

When overwriting the contents of a text file in PHP, using the "unlink" function is not necessary. Instead, you can simply open the file in write mode and write the new content to it. This will automatically overwrite the existing content without the need to delete the file first. 

$file = 'example.txt';
$content = "This is the new content to be written to the file.";

$handle = fopen($file, 'w');
fwrite($handle, $content);
fclose($handle);

Keywords

unlink function text file overwrite PHP

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