Hi,
How can i make sure a value sent from a form has no spaces in it?
Before sending: javascript that prevents this on sending or even while typing. Check the javascript form faqs on www.irt.org for this.
After sending:
Detect spaces with
if (!(strpos(' ', $string)===false) {ECHO "bloody idiot, i told you not to do that. Stupid User!";}
In PHP you can remove spaces at start and end of the entry with trim(...).
Remove all spaces in a string with $string=str_replace(...) (replace " " with "").
(see manual www.php.net/manual for proper use of these functions.)
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