Auto resize images (Page 2 of 2)

// ************************************************************************************************************************************* //
//********************** MOD extra Image Tag for bigger Pictures *****************//

function handle_img_tag($url, $is_signature = false)
{
    global $lang_common, $pun_config, $pun_user;

    $img_tag = '<a href="'.$url.'" onclick="window.open(this.href); return false;"><'.$lang_common['Image link'].'></a>';

    if ($is_signature && $pun_user['show_img_sig'] != '0')
        $img_tag = '<img class="sigimage" src="'.$url.'" alt="'.htmlspecialchars($url).'" />';
        
        
else if (!$is_signature && $pun_user['show_img'] != '0')
{
    if (@fclose(@fopen($url, "r")))
    {
        $imagehw = GetImageSize($url);
        $width = $imagehw[0];
        $height = $imagehw[1];
        $img_tag = '<center><img class="postimg" src="'.$url.'" alt="'.htmlspecialchars($url).'" /></center>';
        
    if ($width > 680) //+++ this is your desired max width of images - also to be set inside the img_tag +++++++++++++++//
    {
    
//+++++ img_tag with Lightbox  - delete if not using Lightbox +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//

        $img_tag = '<center><a href="'.$url.'" rel="lightbox"><img width="680" class="postimg" src="'.$url.'" alt="'.htmlspecialchars($url).'" /></a></center>';
        
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//    


   
//+++++ without Lightbox ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//
        //$img_tag = '<center><img width="680" class="postimg" src="'.$url.'" alt="'.htmlspecialchars($url).'" /> <br> This image has been resized, click <a href="'.htmlspecialchars($url).'">here</a> to view the full-sized image.</center>';  
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//    

}


//++++++++++ you can use this to set a width limit for images to be show with Lightbox - delete if not using Lightbox +++++++++++++++++++//    

        if ($width > 800) //+++ max. width of images to be show with Lightbox - wider images will be shown resized and with link ++++//
    {
        $img_tag = '<center><img width="680" class="postimg" src="'.$url.'" alt="'.htmlspecialchars($url).'" /> <br> This image has been resized, click <a href="'.htmlspecialchars($url).'">here</a> to view the full-sized image.</center>';
}
    
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++//    

    
    }
    else
    {
        $img_tag = '<strong>error: image ' . $url . ' cannot be loaded.</strong>';
    }
}            
        return $img_tag;
}

// ******************************************************************************** //
// ************************************************************************************************************************************* //