quotemeta
Description
string quotemeta ( string str )Returns a version of str with a backslash character (\) before every character that is among these:
. \ + * ? [ ^ ] ( $ ) |
注意: 本函数可安全用于二进制对象。
See also addslashes(), addcslashes(), htmlentities(), htmlspecialchars(), nl2br(), stripslashes(), and stripcslashes().