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    Find Out All Links In any Website using PHP
  
        
  
    
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  | <?php | |
| function getinboundLinks($domain_name) { | |
| ini_set('user_agent', 'NameOfAgent (<a class="linkclass" href="http://localhost">http://localhost</a>)'); | |
| $url = $domain_name; | |
| $url_without_www=str_replace('http://','',$url); | |
| $url_without_www=str_replace('www.','',$url_without_www); | |
| $url_without_www= str_replace(strstr($url_without_www,'/'),'',$url_without_www); | |
| $url_without_www=trim($url_without_www); | |
| $input = @file_get_contents($url) or die('Could not access file: $url'); | |
| $regexp = "<a\s[^>]*href=(\"??)([^\" >]*?)\\1[^>]*>(.*)<\/a>"; | |
| //$inbound=0; | |
| $outbound=0; | |
| $nonfollow=0; | |
| if(preg_match_all("/$regexp/siU", $input, $matches, PREG_SET_ORDER)) { | |
| foreach($matches as $match) { | |
| # $match[2] = link address | |
| # $match[3] = link text | |
| //echo $match[3].'<br>'; | |
| if(!empty($match[2]) && !empty($match[3])) { | |
| if(strstr(strtolower($match[2]),'URL:') || strstr(strtolower($match[2]),'url:') ) { | |
| $nonfollow +=1; | |
| } else if (strstr(strtolower($match[2]),$url_without_www) || !strstr(strtolower($match[2]),'http://')) { | |
| $inbound += 1; | |
| echo '<br>inbound '. $match[2]; | |
| } | |
| else if (!strstr(strtolower($match[2]),$url_without_www) && strstr(strtolower($match[2]),'http://')) { | |
| echo '<br>outbound '. $match[2]; | |
| $outbound += 1; | |
| } | |
| } | |
| } | |
| } | |
| $links['inbound']=$inbound; | |
| $links['outbound']=$outbound; | |
| $links['nonfollow']=$nonfollow; | |
| return $links; | |
| } | |
| // ************************Usage******************************** | |
| $Domain='<a class="linkclass" href="http://zachbrowne.com">http://zachbrowne.com</a>'; | |
| $links=getinboundLinks($Domain); | |
| echo '<br>Number of inbound Links '.$links['inbound']; | |
| echo '<br>Number of outbound Links '.$links['outbound']; | |
| echo '<br>Number of Nonfollow Links '.$links['nonfollow']; | |
| ?> | 
  
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