SimpleMachines / SMF2.1

					'height' => array('optional' => true, 'value' => ' height="$1"', 'match' => '(\d+)'),

				),

				'content' => '<img src="$1" alt="{alt}" title="{title}"{width}{height} class="bbc_img resized">',

				'validate' => function (&$tag, &$data, $disabled)

				{

					global $image_proxy_enabled, $image_proxy_secret, $boardurl, $user_info;

					$data = strtr($data, array('<br>' => ''));

					$scheme = parse_url($data, PHP_URL_SCHEME);

					if ($image_proxy_enabled)

					{

						if (!empty($user_info['possibly_robot']))

							return;

						if (empty($scheme))

							$data = 'http://' . ltrim($data, ':/');

						if ($scheme != 'https')

							$data = $boardurl . '/proxy.php?request=' . urlencode($data) . '&hash=' . md5($data . $image_proxy_secret);

					}

					elseif (empty($scheme))

						$data = '//' . ltrim($data, ':/');

				},

				'disabled_content' => '($1)',

			),

			array(

				'tag' => 'img',

				'type' => 'unparsed_content',

				'content' => '<img src="$1" alt="" class="bbc_img">',

				'validate' => function (&$tag, &$data, $disabled)

				{

					global $image_proxy_enabled, $image_proxy_secret, $boardurl, $user_info;

					$data = strtr($data, array('<br>' => ''));

					$scheme = parse_url($data, PHP_URL_SCHEME);

					if ($image_proxy_enabled)

					{

						if (!empty($user_info['possibly_robot']))

							return;

						if (empty($scheme))

							$data = 'http://' . ltrim($data, ':/');

						if ($scheme != 'https')

							$data = $boardurl . '/proxy.php?request=' . urlencode($data) . '&hash=' . md5($data . $image_proxy_secret);

					}

					elseif (empty($scheme))

						$data = '//' . ltrim($data, ':/');

				},

				'disabled_content' => '($1)',

			),

			array(