public static function prependLines( $lines, $prepend, $prependFirstLine = false )
	{
		$new = [];
		$lines = str_contains( $lines, '\r\n' ) ? explode( "\r\n", $lines ) : explode( "\n", $lines );

		if ( !$prependFirstLine )
			$new[] = $lines[0];

		for ( $i = $prependFirstLine ? 0 : 1; $i < count( $lines ); $i++ )
			$new[] = $prepend . $lines[$i];

		return implode( "\n", $new );
	}