如果你不想担心这么多不同的字符集编码,或者如果 htmlentities 不适合你,这里是替代方案:我使用 mysqli DB 连接(和 PHPV5)Form post 来写入/插入到 MySQl DB。
$Notes = $_POST['Notes']; //can be text input or textarea.
$Notes = str_replace('"', '"', $Notes); //double quotes for mailto: emails.
$von = array("ä","ö","ü","ß","Ä","Ö","Ü"," ","é"); //to correct double whitepaces as well
$zu = array("ä","ö","ü","ß","Ä","Ö","Ü"," ","é");
$Notes = str_replace($von, $zu, $Notes);
echo " Notes:".$Notes."<br>" ;
$Notes = mysqli_real_escape_string($link, $Notes); //for recommended mysqli DB connection.
//$Notes = mysql_real_escape_string($Notes); //for old deprecated mysql DB connection.
// mysqli_real_escape_string Escapes special characters in a string for use in an SQL statement
echo " Notes:".$Notes ; //ready for inserting
enter code here
//Optional:
$charset = mysqli_character_set_name($link); //only works for mysqli DB connection
printf ("To check your character set but not necessary %s\n",$charset);