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Posted By

goo on 01/14/13


Tagged

domain avalaible


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[PHP] Is Domain Avalaible

 / Published in: PHP
 

URL: http://css-tricks.com/snippets/php/check-if-website-is-available/

Want to know if a specific website is available? cURL is here to help. This script can be used with a cron job to monitor your websites.

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  1. <?php
  2.  
  3.        if (isDomainAvailible('http://www.css-tricks.com'))
  4.        {
  5.                echo "Up and running!";
  6.        }
  7.        else
  8.        {
  9.                echo "Woops, nothing found there.";
  10.        }
  11.  
  12.        //returns true, if domain is availible, false if not
  13.        function isDomainAvailible($domain)
  14.        {
  15.                //check, if a valid url is provided
  16.                if(!filter_var($domain, FILTER_VALIDATE_URL))
  17.                {
  18.                        return false;
  19.                }
  20.  
  21.                //initialize curl
  22.                $curlInit = curl_init($domain);
  23.                curl_setopt($curlInit,CURLOPT_CONNECTTIMEOUT,10);
  24.                curl_setopt($curlInit,CURLOPT_HEADER,true);
  25.                curl_setopt($curlInit,CURLOPT_NOBODY,true);
  26.                curl_setopt($curlInit,CURLOPT_RETURNTRANSFER,true);
  27.  
  28.                //get answer
  29.                $response = curl_exec($curlInit);
  30.  
  31.                curl_close($curlInit);
  32.  
  33.                if ($response) return true;
  34.  
  35.                return false;
  36.        }
  37. ?>

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