PHP function code to replace special characters in extremely long text_php basics

Copy Code The code is as follows:

function unhtml($content){
$content=htmlspecialchars ($content);
$content=str_replace(chr(13),"
",$content);
$content=str_replace(chr(32),"
",$content) ;
$content=str_replace("[_[","$content=str_relace(")_)",">",$content);
$content =str_replace("|_|","",$content);
rerurn trim($content);
}

PHP str_replace() function

Definition and usage
The str_replace() function uses a string to replace other characters in a string.

Syntax
str_replace(find,replace,string,count)

Parameters	Description
find	Required. Specifies the value to look for.
replace	Required. Specifies the value that replaces the value in find.
string	Required. Specifies the string to be searched for.
count	Optional. A variable counting the number of substitutions.