[RESOLVED] Form Validation

erj145aviator

Hey. Trying to create a form validation script. Got everything working except for the need to check against an email being used more than once in a submission. There are 5 emails to be entered all must be diff. I was thinking to pass the five emails into an array. Then somehow check if the array contains more than one entry of each value. So I'd like to generate a for statement that will cycle through five times for email1 email 2 etc... Each time checking the array for more than 1 entry of the value (email1, 2, 3 etc). Not sure how to accomplish this any samples would be much appreciated.

Thanks.

NogDog

You could use [man]array_diff/man in conjunction with [man]array_unique/man, perhaps?

Novacane

yeah, array_unique works good for this

$array = array("email1", "email1", "email3", "email4");
$unique = array_unique($array);
if(count($unique)<count($array)){
	echo "Dupe Found!";
}

if the unique array is less then the original value array then there was a value that matched another, you could then decide to let the user find their mistake or look at the array keys to find the break in the chain (array_unique preserves the keys so looking for a break should be easy)

erj145aviator

Works great. Thanks again guys. It's nice to have a place to go to for help - not easy teaching yourself php/MySQL - thanks for the support. It's much appreciated.

-ERJ