Description:
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I find out that PHP has big differencies between
" and '(on PHP website, I think). It is very important and many newbies are very confused.I wanted to find some solution for inserting new line into text documents produced by PHP.I found tons of questions about new line feeds doesnt work for me.But solution is very easy.

YOU HAVE TO DO : $output = "text\r\n";
INSTEAD OF $output = 'text\r\n';

Reproduce code:
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$output2 = 'textfirst\r\ntextsecond';



Expected result:
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textfirst
textsecond

Actual result:
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textfirsttextsecond