Simplexml_load_string after the text is processed, the length of the line break in the text becomes 1, and how does it revert to 2?

Simplexml_load_string after the text is processed, the length of the line break in the text becomes 1, and how does it revert to 2?
When there is a newline character in the text, the length of the line break will change to 1 after the above function is processed, how to keep 2?

Reply to discussion (solution)

$STR = Str_replace (CHR), CHR, CHR, $STR);
??。

$STR = Str_replace (CHR), Chr (. chr), $STR)
It looks like it's going to be.

$STR = Str_replace (CHR), CHR, CHR, $STR);
??。

I changed it on your basis, it seems to be possible, thank you very much.

Yes, well, forget it. chr (10)? It's Chr (13)
Such as?? The solution????。

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