How does php make a log output as is? Solution

How does php make a log output as it is? I recently made a simple blog and posted an article from the back. it is always not displayed on the front end, and it is all right aligned, space has been converted into & nbsp; & amp; nbsp; and so on when inserting the database. publicfunctionstr_to ($ str) {$ str = str_replace (& quot ;, how does php make a log output as is?
I recently made a simple blog and published an article from the back. it is always not displayed on the front-end, and all are right aligned. spaces have been converted
, Public function str_to ($ str ){
$ Str = str_replace ("", "", $ str );
$ Str = str_replace ("<", "<", $ str );
$ Str = str_replace (">", ">", $ str );
$ Str = nl2br ($ str );
Return $ str;

}
Before inserting a database, you should first insert $ content (article content) $ content = str_to ($ content); and then insert all the text to the right alignment. isn't all the spaces replaced, sorry, please give me your answers !!!!!!!!!!!!!!!!!!

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Replace these three statements with this function:
Htmlspecialchars ()
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Then, your problem has nothing to do with php, but with html pages.