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still trying to learn


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This script with minor changes came from a tutorial. I did a var dump and get a NULL result.  Can anyone tell me why? 

 

<?php
/** Get web page via HTTP GET using Libcurl.  */
function getPageDetails($target, $referer) {
       
    $info = curl_init();
    //settings
    curl_setopt($info, CURLOPT_HEADER, true);
    curl_setopt($info, CURLOPT_COOKIEJAR, "cookie_jar.txt");
    curl_setopt($info, CURLOPT_COOKIEFILE, "cookies.txt");
    curl_setopt($info, CURLOPT_USERAGENT, "imagimediabot2");
    curl_setopt($info, CURLOPT_URL, $url);
    curl_setopt($info, CURLOPT_REFERER, $referer);
    curl_setopt($info, CURLOPT_FOLLOWLOCATION, true);
    curl_setopt($info, CURLOPT_MAXREDIRS, 4);
    curl_setopt($info, CURLOPT_RETURNTRANSFER, true);
    
    //request
    $output = curl_exec($info);

    curl_close ($info);
    //seperate head and body
    $separator = "\r\n\r\n";
    $header = substr( $output, 0, strpos( $output, $separator ) );
    $body_start = strlen( $header ) + strlen( $separator );
    $body = substr($output, $body_start, strlen($output)-$body_start);
    
    // parse headers
    $header_array = Array();
        foreach (explode ("\r\n", $header) as $i => $line) {
            if($i === 0) {
              $header_array['http_code'] = $line;
              $status_info = explode( " ", $line );
              $header_array['status_info'] = $status_info;
        } else {
              list ( $key, $value ) = explode ( ': ', $line );
              $header_array[$key] = $value;
        }
    }

    $ret = Array("headers"=>$header_array,"body"=>$body);
    return $ret;
}

$page = getPageDetails("https://imagimedia.co.za", "");
$headers = $page['headers'];
$http_status_code = $headers['http_code'];
$body = $page['body'];

var_dump($header_array)
?>

 

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