Application of line breaks and (n or rn and br) in PHP code_PHP tutorial

Code a:

Copy code The code is as follows:

echo'hello' ;
echo 'world!';
?>

output:
helllo
world!
Code b:

Copy code The code is as follows:

echo'hellon';//Use n in unix system; rn in windows system
echo'world!';
?>

output:
helloworld!
Analysis: The browser cannot recognize n or rn, these two The newline character is a text newline character, and the text file is valid; viewing the HTML source code in the web page, you can find that code b successfully implements newline
Summary: If you need to output the results to the browser or print to the monitor, Use in the code; If you just want to wrap the line in the source code, use n or rn

http://www.bkjia.com/PHPjc/326495.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/326495.htmlTechArticleCode a: Copy the code as follows: ?php echo'hello/br'; echo'world!'; ? output: helllo world! Code b: Copy the code as follows: ?php echo'hellon'; //Unix system uses n; window...