Check if value in array

[zzz]

I need to check if a value submitted by a user is in a given array.

Here's the catch: user can submit variable in mixed (upper/lower) case.
Array values are all lower case.
And in_array is case sensitive...

How do I run this check without regards for the case?

[TenaciousC]

Personally, I would just write a custom function that does this for you. Something like this (although I haven't tested it):

function check_my_array($user_data, $check_array) {

$found = false;

foreach($check_array as $value) {
	if (strtolower($user_data) == $value) {
		$found = true;
		break;
	}
}

return $found;
}

[zzz]

I was hoping to avoid this if possible. Currently submitted value is evaluated against different criteria, one of which is checking if it is in the array

...
} elseif (in_array($value, $check_array)){
...
} elseif ...

But if there's no other way I'll give this function a whirl.

[halojoy]

Wouldnt that previous function
be equal to you last posted elseif
with the addition of strtolower($user_data)
This will not change the $user_data ... the submitted

...
} elseif (in_array(strtolower($submitted_user_data), $check_array)){
...
} elseif ...