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Email addresses are one of trickiest input types to validate because there are multiple ways emails can be written according to the RFC2822 specification. You could have me@gmail.com, or me+spam@gmail.com, or “mark@server”@marksanborn.net, common on Linux/BSD systems. A lot of times … Continue reading
Posted in PHP, Programming, Security | Tagged Validation, Zend Framework | Comments OffEver wonder how websites can tell you made a mistake entering your credit card number before you even submit it? Like most identification numbers credit cards have checksum digits built into them. Just like barcodes. If you ever look at … Continue reading
Posted in Howto, PHP, Programming, Security | Tagged Zend Framework | 6 Comments© 2011 All rights reserved