How does PHP obtain a line of data with a carriage return when reading a large file?

How does PHP obtain a line of data with a carriage return when reading a large file. PHP & nbsp; how to get a line of data with a carriage return when reading a large file .??, /R/n do you mean this? Read the php manual fgets & nbsp;-& nbsp; and read a row from the file pointer, at the end of this post, when xuzuning is used to edit PHP to read large files from 2011-12-2309: 23: 32, how to get a line of data with a carriage return.
When PHP reads a large file, how does one get a line of data with a carriage return character .??
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/R/n. what do you mean?
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View php Manual

Fgets-read a row from the file pointer
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This post was last edited by xuzuning at 09:23:32, 2011-12-23 $ buf = fgets ($ fp );

$ Buf indicates the read content.

I don't know what you want
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Reference:

$ Buf = fgets ($ fp );
Echo $ buf;

All text content is output.

I want a line in the text.

How is it possible? There is no line feed in your text itself, right?
If possible, post a file or connection