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<?php
/*********************************************************
 * Author: Horst "[SuGa]" Gutmann
 * Version: 0.3
 * Description: Limits the width of images posted by
 *              users and replaces the large image with
 *              a smaller one combined with a link to the 
 *              fullsize'd version
 *
 * Installation:
 * =============
 * Save this file in $phpbb_root_path/includes/
 *
 * Changes:
 * ========
 * viewtopic.php
 *
 *-----[ FIND ]-------------------------------------------
 
	$template->assign_block_vars('postrow', array(
		'ROW_COLOR' => '#' . $row_color,
		'ROW_CLASS' => $row_class,
		'POSTER_NAME' => $poster,
		'POSTER_RANK' => $poster_rank,
		
 *-----[ BEFORE , ADD ]----------------------------------- 

	//
	// ImageSize control
	//
	include_once 'includes/imagecontrol.'.$phpEx;
	$message = check_external_images($message);
 
 *********************************************************/
function check_external_images($message)
{
	//
	// Configuration
	//
	$max_width = 505;

	//
	// Implementation
	//
	$num_xis = preg_match_all("#\<img src=\"((http|ftp):\/\/.*\.(jpg|gif|png|img))\" border=\"0\" \/\>.*#",$message,$xis,PREG_PATTERN_ORDER);
	for ($blah = 0 ; $blah < $num_xis ; $blah++)
	{
		list($mist,$image_url) = explode('"',$xis[0][$blah]);
		list($image_width,$image_height,$image_type) = @getimagesize($image_url);
		if ($image_width > $max_width)
		{
			$message = str_replace('<img src="'.$image_url.'" border="0" />','<a href="'.$image_url.'" target="_blank"><img src="'.$image_url.'" alt="External Image" width="'.$max_width.'" /></a>',$message);
		}
	}
	return $message;

}
?>