php check headers status going thru all page statuses #php #url

url-check.php

<?php
/* @ http://stackoverflow.com/a/12628971 */

    function getHttpResponseCode_using_getheaders($url, $followredirects = true){
        // returns string responsecode, or false if no responsecode found in headers (or url does not exist)
        // NOTE: could potentially take up to 0-30 seconds , blocking further code execution (more or less depending on connection, target site, and local timeout settings))
        // if $followredirects == false: return the FIRST known httpcode (ignore redirects)
        // if $followredirects == true : return the LAST  known httpcode (when redirected)
        if(! $url || ! is_string($url)){
            return false;
        }

        $headers = @get_headers($url);

        if($headers && is_array($headers)){
            if($followredirects){
                // we want the the last errorcode, reverse array so we start at the end:
                $headers = array_reverse($headers);
            }
            foreach($headers as $hline){
                // search for things like "HTTP/1.1 200 OK" , "HTTP/1.0 200 OK" , "HTTP/1.1 301 PERMANENTLY MOVED" , "HTTP/1.1 400 Not Found" , etc.
                // note that the exact syntax/version/output differs, so there is some string magic involved here
                if(preg_match('/^HTTP\/\S+\s+([1-9][0-9][0-9])\s+.*/', $hline, $matches) ){// "HTTP/*** ### ***"
                    $code = $matches[1];
                    return $code;
                }
            }
            // no HTTP/xxx found in headers:
            return false;
        }
        // no headers :
        return false;
    }

// 
if (getHttpResponseCode_using_getheaders($country_url, $followredirects = true) == '404') {
	echo "404";
} else {
	echo "200 or other statuses";
}

url-check1.php

<?php
// check if URL exists
	function checkUrl($url) {
	    // Simple check
	    if (!$url) { return FALSE; }
	    // Create cURL resource using the URL string passed in
	    $curl_resource = curl_init($url);
	    // Set cURL option and execute the "query"
	    curl_setopt($curl_resource, CURLOPT_RETURNTRANSFER, true);
	    curl_exec($curl_resource);
	    // Check for the 404 code (page must have a header that correctly display 404 error code according to HTML standards
	    if(curl_getinfo($curl_resource, CURLINFO_HTTP_CODE) == 404) {
	        // Code matches, close resource and return false
	        curl_close($curl_resource);
	        return FALSE;
	    } else {
	        // No matches, close resource and return true
	        curl_close($curl_resource);
	        return TRUE;
	    }
	    // Should never happen, but if something goofy got here, return false value
	    return FALSE;
	}
	// checking 
	if (checkUrl($country_url) == false) {
		echo "404 not found";
		echo $search;
	} else {
		echo "200 OK";
		echo $country_url;
	}
?>