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Posted By

fris on 11/16/07


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check for a valid url

Published in: PHP 

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  1. function is_valid_url($url) { 
  2.   $pattern = "#^(http:\/\/|https:\/\/|www\.)(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?(\/)*$#i"; 
  3.   if (!preg_match($pattern, $url)) { 
  4.     return false; 
  5.   } else { 
  6.     return true; 
  7.   } 
  8. }

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Posted By: logankoester on August 20, 2008

This method returns false for valid urls extending beyond the host:

isvalidurl('http://logankoester.com/') => bool(true) isvalidurl('http://logankoester.com/blog') => bool(false)

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