CTextParser::convert_image_tag

public function convert_image_tag($url = '', $params = '')
{
	$url = trim($url);
	if ($url == '')
	{
		return '';
	}

	preg_match("/width=([0-9]+)/is" . BX_UTF_PCRE_MODIFIER, $params, $width);
	preg_match("/height=([0-9]+)/is" . BX_UTF_PCRE_MODIFIER, $params, $height);
	$width = intval($width[1]);
	$height = intval($height[1]);

	$bErrorIMG = false;
	if (!preg_match("/^(http|https|ftp|\/)/i" . BX_UTF_PCRE_MODIFIER, $url))
	{
		$bErrorIMG = true;
	}

	$url = htmlspecialcharsbx($url);
	if ($bErrorIMG)
	{
		return '[img]' . $url . '[/img]';
	}

	$strPar = '';
	if ($width > 0)
	{
		if ($width > $this->imageWidth)
		{
			$height = intval($height * ($this->imageWidth / $width));
			$width = $this->imageWidth;
		}
	}
	if ($height > 0)
	{
		if ($height > $this->imageHeight)
		{
			$width = intval($width * ($this->imageHeight / $height));
			$height = $this->imageHeight;
		}
	}
	if ($width > 0)
	{
		$strPar = " width="" . $width . """;
	}
	if ($height > 0)
	{
		$strPar .= " height="" . $height . """;
	}

	$serverName = htmlspecialcharsbx($this->serverName);
	$image = '';
	if ($this->serverName == '' || preg_match("/^(http|https|ftp):\/\//i" . BX_UTF_PCRE_MODIFIER, $url))
	{
		$image = '';
	}
	return $this->defended_tags($image);
}