This function just removes a specific line of a text document. Pass the path to the file or an URL to the file and the line you want to remove. The function will return the new file which you can save or work with it.

Remove Line

function removeLine ($file, $lineToRemove) {
	$data = file_get_contents($file);
	$lines = explode(PHP_EOL, $data);
	$lineNo = 1;

	foreach($lines as $line) {
		$linesArray[$lineNo] = $line;
		$lineNo++;
	}
	
	unset($linesArray[$lineToRemove]);
	return implode("\n", $linesArray);
}


removeLine ("../dir/to/file.txt", 2);