Special symbol network name PHP implementation code for adding slash before special characters

Copy code The code is as follows:

$zongzi = "asdfasdf(asdfasdf?asfdadsf)";
echo $zongzi = quotemeta($zongzi);
echo "
";
$zongzi = stripslashes($zongzi);
echo $zongzi;
?>

PHP quotemeta() function
Definition and usage
quotemeta() function adds some predefined characters in the string Backslash.
These predefined characters are:
Period (.)
Backslash ()
Plus sign (+)
Asterix (*)
Question mark (?)
Square brackets ([])
Caret (^)
Dollar Symbol ($)
Parentheses (())
Syntax
quotemeta(string)

Parameters	Description
string	Required. Specifies the string to check.

Tips and Notes
Tips: This function can be used to escape characters with special meanings, such as ( ), [ ] and * in SQL.

Copy code The code is as follows:

$str = "Hello world. (can you hear me?)";
echo quotemeta($str);
?>

Output:
Hello world. (can you hear me?)

The above introduces the implementation code of PHP adding a slash before special characters in network names with special symbols, including the content of network names with special symbols. I hope it will be helpful to friends who are interested in PHP tutorials.