Re: [PHP] parsing text for special characters

On 11/29/07, Adam Williams <awilliam@xxxxxxxxxxxxxxxx> wrote:
I've got an html form, and I have PHP parse the message variables for
special characters so when I concatenate all off the message variables
together, if a person has put in a ' " or other special character, it
won't break it when it used in mail($to, "MMH Suggestion", "$message",
"$headers"); below is my snippet of code, but is there a better way to
parse the text for special characters. what about if I were to have the
$message inserted into a mysql field? how would I need to handle
special characters that way?

htmlentities()
htmlspecialchars()

first i would run $message = filter_input(INPUT_POST, 'message',
FILTER_SANITIZE_STRING);

then probably $message = htmlspecialchars($message);

that should suffice. it depends i suppose. if you need to dump the
html as-is, or you want to encode it first. i don't trust anything
users submit though, so i encode it on output
.

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