How would I validate a 5 digit zip code in PHP?

  • Thread starter Thread starter dsdprojects09
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dsdprojects09

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I have a PHP form. It asks for a 5 digit zip code, I have it set now to make sure they enter something in the field with Javascript validation, but how can I validate they have entered a 5 digit number? Please include sample code or link to sample code. Thanks so much.
 
I wrote the javascript once to validate a zip code box in a form but I don't have the code in front of me. If no one else gets you a good answer, send me your e-mail address through my profile and i'll send you the code ( it's on my computer at home).
 
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