/sources/subs/Editor.subs.php

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<?php

/**
 * @name      ElkArte Forum
 * @copyright ElkArte Forum contributors
 * @license   BSD http://opensource.org/licenses/BSD-3-Clause
 *
 * This software is a derived product, based on:
 *
 * Simple Machines Forum (SMF)
 * copyright:	2011 Simple Machines (http://www.simplemachines.org)
 * license:  	BSD, See included LICENSE.TXT for terms and conditions.
 *
 * @version 1.0 Alpha
 *
 * This file contains those functions specific to the editing box and is
 * generally used for WYSIWYG type functionality.
 *
 */

if (!defined('ELKARTE'))
	die('No access...');

/**
 * Creates the javascript code for localization of the editor (SCEditor)
 */
function action_loadlocale()
{
	global $context, $txt, $editortxt, $modSettings;

	loadLanguage('Editor');

	$context['template_layers'] = array();

	// Lets make sure we aren't going to output anything nasty.
	@ob_end_clean();
	if (!empty($modSettings['enableCompressedOutput']))
		@ob_start('ob_gzhandler');
	else
		@ob_start();

	// If we don't have any locale better avoid broken js
	if (empty($txt['lang_locale']))
		die();

	$file_data = '(function ($) {
	\'use strict\';

	$.sceditor.locale[' . javaScriptEscape($txt['lang_locale']) . '] = {';

	foreach ($editortxt as $key => $val)
		$file_data .= '
		' . javaScriptEscape($key) . ': ' . javaScriptEscape($val) . ',';

	$file_data .= '
		dateFormat: "day.month.year"
	}
})(jQuery);';

	// Make sure they know what type of file we are.
	header('Content-Type: text/javascript');
	echo $file_data;
	obExit(false);
}

/**
 * Retrieves a list of message icons.
 * - Based on the settings, the array will either contain a list of default
 *   message icons or a list of custom message icons retrieved from the database.
 * - The board_id is needed for the custom message icons (which can be set for
 *   each board individually).
 *
 * @param int $board_id
 * @return array
 */
function getMessageIcons($board_id)
{
	global $modSettings, $context, $txt, $settings, $smcFunc;

	if (empty($modSettings['messageIcons_enable']))
	{
		loadLanguage('Post');

		$icons = array(
			array('value' => 'xx', 'name' => $txt['standard']),
			array('value' => 'thumbup', 'name' => $txt['thumbs_up']),
			array('value' => 'thumbdown', 'name' => $txt['thumbs_down']),
			array('value' => 'exclamation', 'name' => $txt['excamation_point']),
			array('value' => 'question', 'name' => $txt['question_mark']),
			array('value' => 'lamp', 'name' => $txt['lamp']),
			array('value' => 'smiley', 'name' => $txt['icon_smiley']),
			array('value' => 'angry', 'name' => $txt['icon_angry']),
			array('value' => 'cheesy', 'name' => $txt['icon_cheesy']),
			array('value' => 'grin', 'name' => $txt['icon_grin']),
			array('value' => 'sad', 'name' => $txt['icon_sad']),
			array('value' => 'wink', 'name' => $txt['icon_wink']),
			array('value' => 'poll', 'name' => $txt['icon_poll']),
		);

		foreach ($icons as $k => $dummy)
		{
			$icons[$k]['url'] = $settings['images_url'] . '/post/' . $dummy['value'] . '.png';
			$icons[$k]['is_last'] = false;
		}
	}
	// Otherwise load the icons, and check we give the right image too...
	else
	{
		if (($temp = cache_get_data('posting_icons-' . $board_id, 480)) == null)
		{
			$request = $smcFunc['db_query']('select_message_icons', '
				SELECT title, filename
				FROM {db_prefix}message_icons
				WHERE id_board IN (0, {int:board_id})',
				array(
					'board_id' => $board_id,
				)
			);
			$icon_data = array();
			while ($row = $smcFunc['db_fetch_assoc']($request))
				$icon_data[] = $row;
			$smcFunc['db_free_result']($request);

			$icons = array();
			foreach ($icon_data as $icon)
			{
				$icons[$icon['filename']] = array(
					'value' => $icon['filename'],
					'name' => $icon['title'],
					'url' => $settings[file_exists($settings['theme_dir'] . '/images/post/' . $icon['filename'] . '.png') ? 'images_url' : 'default_images_url'] . '/post/' . $icon['filename'] . '.png',
					'is_last' => false,
				);
			}

			cache_put_data('posting_icons-' . $board_id, $icons, 480);
		}
		else
			$icons = $temp;
	}

	return array_values($icons);
}

/**
 * Creates a box that can be used for richedit stuff like BBC, Smileys etc.
 * @param array $editorOptions
 */
function create_control_richedit($editorOptions)
{
	global $txt, $modSettings, $options, $smcFunc;
	global $context, $settings, $user_info, $scripturl;

	// Load the Post language file... for the moment at least.
	loadLanguage('Post');

	if (!empty($context['drafts_save']) || !empty($context['drafts_pm_save']))
		loadLanguage('Drafts');

	// Every control must have a ID!
	assert(isset($editorOptions['id']));
	assert(isset($editorOptions['value']));

	// Is this the first richedit - if so we need to ensure things are initialised and that we load all of the needed files
	if (empty($context['controls']['richedit']))
	{
		// Some general stuff.
		$settings['smileys_url'] = $modSettings['smileys_url'] . '/' . $user_info['smiley_set'];
		if (!empty($context['drafts_autosave']) && !empty($options['drafts_autosave_enabled']))
			$context['drafts_autosave_frequency'] = empty($modSettings['drafts_autosave_frequency']) ? 30000 : $modSettings['drafts_autosave_frequency'] * 1000;

		// This really has some WYSIWYG stuff.
		loadTemplate('GenericControls', 'jquery.sceditor');

		// JS makes the editor go round
		loadJavascriptFile(array('jquery.sceditor.js', 'jquery.sceditor.bbcode.js', 'jquery.sceditor.elkarte.js', 'post.js'));
		addInlineJavascript('
		var smf_smileys_url = \'' . $settings['smileys_url'] . '\';
		var bbc_quote_from = \'' . addcslashes($txt['quote_from'], "'") . '\';
		var bbc_quote = \'' . addcslashes($txt['quote'], "'") . '\';
		var bbc_search_on = \'' . addcslashes($txt['search_on'], "'") . '\';');

		// editor language file
		if (!empty($txt['lang_locale']) && $txt['lang_locale'] != 'en_US')
			loadJavascriptFile($scripturl . '?action=loadeditorlocale', array(), 'sceditor_language');

		// Drafts?
		if ((!empty($context['drafts_save']) || !empty($context['drafts_pm_save'])) && !empty($context['drafts_autosave']) && !empty($options['drafts_autosave_enabled']))
			loadJavascriptFile('drafts.js');

		// Our not so concise shortcut line
		$context['shortcuts_text'] = $txt['shortcuts' . (!empty($context['drafts_save']) ? '_drafts' : '') . (isBrowser('is_firefox') ? '_firefox' : '')];

		// Spellcheck?
		$context['show_spellchecking'] = !empty($modSettings['enableSpellChecking']) && function_exists('pspell_new');
		if ($context['show_spellchecking'])
		{
			// Some hidden information is needed in order to make spell check work.
			if (!isset($_REQUEST['xml']))
				$context['insert_after_template'] .= '
		<form name="spell_form" id="spell_form" method="post" accept-charset="UTF-8" target="spellWindow" action="' . $scripturl . '?action=spellcheck">
			<input type="hidden" name="spellstring" value="" />
			<input type="hidden" name="fulleditor" value="" />
		</form>';
			loadJavascriptFile('spellcheck.js', array('defer' => true));
		}
	}

	// Start off the editor...
	$context['controls']['richedit'][$editorOptions['id']] = array(
		'id' => $editorOptions['id'],
		'value' => $editorOptions['value'],
		'rich_value' => $editorOptions['value'], // 2.0 editor compatibility
		'rich_active' => empty($modSettings['disable_wysiwyg']) && (!empty($options['wysiwyg_default']) || !empty($editorOptions['force_rich']) || !empty($_REQUEST[$editorOptions['id'] . '_mode'])),
		'disable_smiley_box' => !empty($editorOptions['disable_smiley_box']),
		'columns' => isset($editorOptions['columns']) ? $editorOptions['columns'] : 60,
		'rows' => isset($editorOptions['rows']) ? $editorOptions['rows'] : 18,
		'width' => isset($editorOptions['width']) ? $editorOptions['width'] : '70%',
		'height' => isset($editorOptions['height']) ? $editorOptions['height'] : '250px',
		'form' => isset($editorOptions['form']) ? $editorOptions['form'] : 'postmodify',
		'bbc_level' => !empty($editorOptions['bbc_level']) ? $editorOptions['bbc_level'] : 'full',
		'preview_type' => isset($editorOptions['preview_type']) ? (int) $editorOptions['preview_type'] : 1,
		'labels' => !empty($editorOptions['labels']) ? $editorOptions['labels'] : array(),
		'locale' => !empty($txt['lang_locale']) && substr($txt['lang_locale'], 0, 5) != 'en_US' ? $txt['lang_locale'] : '',
	);

	// Switch between default images and back... mostly in case you don't have an PersonalMessage template, but do have a Post template.
	if (isset($settings['use_default_images']) && $settings['use_default_images'] == 'defaults' && isset($settings['default_template']))
	{
		$temp1 = $settings['theme_url'];
		$settings['theme_url'] = $settings['default_theme_url'];

		$temp2 = $settings['images_url'];
		$settings['images_url'] = $settings['default_images_url'];

		$temp3 = $settings['theme_dir'];
		$settings['theme_dir'] = $settings['default_theme_dir'];
	}

	if (empty($context['bbc_tags']))
	{
		// The below array makes it dead easy to add images to this control. Add it to the array and everything else is done for you!
		/*
			array(
				'image' => 'bold',
				'code' => 'b',
				'before' => '[b]',
				'after' => '[/b]',
				'description' => $txt['bold'],
			),
		*/
		$context['bbc_tags'] = array();
		$context['bbc_tags'][] = array(
			array(
				'code' => 'bold',
				'description' => $txt['bold'],
			),
			array(
				'code' => 'italic',
				'description' => $txt['italic'],
			),
			array(
				'code' => 'underline',
				'description' => $txt['underline']
			),
			array(
				'code' => 'strike',
				'description' => $txt['strike']
			),
			array(
				'code' => 'superscript',
				'description' => $txt['superscript']
			),
			array(
				'code' => 'subscript',
				'description' => $txt['subscript']
			),
			array(),
			array(
				'code' => 'left',
				'description' => $txt['left_align']
			),
			array(
				'code' => 'center',
				'description' => $txt['center']
			),
			array(
				'code' => 'right',
				'description' => $txt['right_align']
			),
			array(
				'code' => 'pre',
				'description' => $txt['preformatted']
			),
			array(
				'code' => 'tt',
				'description' => $txt['teletype']
			),
		);
		$context['bbc_tags'][] = array(
			array(
				'code' => 'bulletlist',
				'description' => $txt['list_unordered']
			),
			array(
				'code' => 'orderedlist',
				'description' => $txt['list_ordered']
			),
			array(
				'code' => 'horizontalrule',
				'description' => $txt['horizontal_rule']
			),
			array(),
			array(
				'code' => 'table',
				'description' => $txt['table']
			),
			array(),
			array(
				'code' => 'code',
				'description' => $txt['bbc_code']
			),
			array(
				'code' => 'quote',
				'description' => $txt['bbc_quote']
			),
			array(),
			array(
				'code' => 'image',
				'description' => $txt['image']
			),
			array(
				'code' => 'link',
				'description' => $txt['hyperlink']
			),
			array(
				'code' => 'email',
				'description' => $txt['insert_email']
			),
			array(
				'code' => 'ftp',
				'description' => $txt['ftp']
			),
			array(
				'code' => 'flash',
				'description' => $txt['flash']
			),
			array(),
			array(
				'code' => 'glow',
				'description' => $txt['glow']
			),
			array(
				'code' => 'shadow',
				'description' => $txt['shadow']
			),
			array(
				'code' => 'move',
				'description' => $txt['marquee']
			),
		);

		// Allow mods to modify BBC buttons.
		// Note: passing the array here is not necessary and is deprecated, but it is kept for backward compatibility with 2.0
		call_integration_hook('integrate_bbc_buttons', array(&$context['bbc_tags']));

		// Show the toggle?
		if (empty($modSettings['disable_wysiwyg']))
		{
			$context['bbc_tags'][count($context['bbc_tags']) - 1][] = array();
			$context['bbc_tags'][count($context['bbc_tags']) - 1][] = array(
				'code' => 'unformat',
				'description' => $txt['unformat_text'],
			);
			$context['bbc_tags'][count($context['bbc_tags']) - 1][] = array(
				'code' => 'toggle',
				'description' => $txt['toggle_view'],
			);
		}

		// Generate a list of buttons that shouldn't be shown - this should be the fastest way to do this.
		$disabled_tags = array();
		if (!empty($modSettings['disabledBBC']))
			$disabled_tags = explode(',', $modSettings['disabledBBC']);

		if (empty($modSettings['enableEmbeddedFlash']))
			$disabled_tags[] = 'flash';

		foreach ($disabled_tags as $tag)
		{
			if ($tag === 'list')
			{
				$context['disabled_tags']['bulletlist'] = true;
				$context['disabled_tags']['orderedlist'] = true;
			}
			elseif ($tag === 'b')
				$context['disabled_tags']['bold'] = true;
			elseif ($tag === 'i')
				$context['disabled_tags']['italic'] = true;
			elseif ($tag === 'u')
				$context['disabled_tags']['underline'] = true;
			elseif ($tag === 's')
				$context['disabled_tags']['strike'] = true;
			elseif ($tag === 'img')
				$context['disabled_tags']['image'] = true;
			elseif ($tag === 'url')
				$context['disabled_tags']['link'] = true;
			elseif ($tag === 'sup')
				$context['disabled_tags']['superscript'] = true;
			elseif ($tag === 'sub')
				$context['disabled_tags']['subscript'] = true;
			elseif ($tag === 'hr')
				$context['disabled_tags']['horizontalrule'] = true;

			$context['disabled_tags'][trim($tag)] = true;
		}

		$bbcodes_styles = '';
		$context['bbcodes_handlers'] = '';
		$context['bbc_toolbar'] = array();

		// Build our toolbar, taking in to account any custom bbc codes from integration
		foreach ($context['bbc_tags'] as $row => $tagRow)
		{
			if (!isset($context['bbc_toolbar'][$row]))
				$context['bbc_toolbar'][$row] = array();

			$tagsRow = array();
			foreach ($tagRow as $tag)
			{
				if (!empty($tag))
				{
					if (empty($context['disabled_tags'][$tag['code']]))
					{
						$tagsRow[] = $tag['code'];

						// Special Image
						if (isset($tag['image']))
							$bbcodes_styles .= '
		.sceditor-button-' . $tag['code'] . ' div {
			background: url(\'' . $settings['default_theme_url'] . '/images/bbc/' . $tag['image'] . '.png\');
		}';

						// Special commands
						if (isset($tag['before']))
						{
							$context['bbcodes_handlers'] = '
				$.sceditor.command.set(
					' . javaScriptEscape($tag['code']) . ', {
					exec: function () {
						this.wysiwygEditorInsertHtml(' . javaScriptEscape($tag['before']) . (isset($tag['after']) ? ', ' . javaScriptEscape($tag['after']) : '') . ');
					},
					tooltip:' . javaScriptEscape($tag['description']) . ',
					txtExec: [' . javaScriptEscape($tag['before']) . (isset($tag['after']) ? ', ' . javaScriptEscape($tag['after']) : '') . '],
					}
				);';
						}
					}
				}
				else
				{
					$context['bbc_toolbar'][$row][] = implode(',', $tagsRow);
					$tagsRow = array();
				}
			}

			if ($row === 0)
			{
				$context['bbc_toolbar'][$row][] = implode(',', $tagsRow);
				$tagsRow = array();

				if (!isset($context['disabled_tags']['font']))
					$tagsRow[] = 'font';

				if (!isset($context['disabled_tags']['size']))
					$tagsRow[] = 'size';

				if (!isset($context['disabled_tags']['color']))
					$tagsRow[] = 'color';
			}
			elseif ($row === 1 && empty($modSettings['disable_wysiwyg']))
			{
				$tmp = array();
				$tagsRow[] = 'removeformat';
				$tagsRow[] = 'source';
				if (!empty($tmp))
					$tagsRow[] = '|' . implode(',', $tmp);
			}

			if (!empty($tagsRow))
				$context['bbc_toolbar'][$row][] = implode(',', $tagsRow);
		}

		if (!empty($bbcodes_styles))
			$context['html_headers'] .= '
	<style type="text/css">' . $bbcodes_styles . '
	</style>';
	}

	// Initialize smiley array... if not loaded before.
	if (empty($context['smileys']) && empty($editorOptions['disable_smiley_box']))
	{
		$context['smileys'] = array(
			'postform' => array(),
			'popup' => array(),
		);

		// Load smileys - don't bother to run a query if we're not using the database's ones anyhow.
		if (empty($modSettings['smiley_enable']) && $user_info['smiley_set'] != 'none')
			$context['smileys']['postform'][] = array(
				'smileys' => array(
					array(
						'code' => ':)',
						'filename' => 'smiley.gif',
						'description' => $txt['icon_smiley'],
					),
					array(
						'code' => ';)',
						'filename' => 'wink.gif',
						'description' => $txt['icon_wink'],
					),
					array(
						'code' => ':D',
						'filename' => 'cheesy.gif',
						'description' => $txt['icon_cheesy'],
					),
					array(
						'code' => ';D',
						'filename' => 'grin.gif',
						'description' => $txt['icon_grin']
					),
					array(
						'code' => '>:(',
						'filename' => 'angry.gif',
						'description' => $txt['icon_angry'],
					),
					array(
						'code' => ':(',
						'filename' => 'sad.gif',
						'description' => $txt['icon_sad'],
					),
					array(
						'code' => ':o',
						'filename' => 'shocked.gif',
						'description' => $txt['icon_shocked'],
					),
					array(
						'code' => '8)',
						'filename' => 'cool.gif',
						'description' => $txt['icon_cool'],
					),
					array(
						'code' => '???',
						'filename' => 'huh.gif',
						'description' => $txt['icon_huh'],
					),
					array(
						'code' => '::)',
						'filename' => 'rolleyes.gif',
						'description' => $txt['icon_rolleyes'],
					),
					array(
						'code' => ':P',
						'filename' => 'tongue.gif',
						'description' => $txt['icon_tongue'],
					),
					array(
						'code' => ':-[',
						'filename' => 'embarrassed.gif',
						'description' => $txt['icon_embarrassed'],
					),
					array(
						'code' => ':-X',
						'filename' => 'lipsrsealed.gif',
						'description' => $txt['icon_lips'],
					),
					array(
						'code' => ':-\\',
						'filename' => 'undecided.gif',
						'description' => $txt['icon_undecided'],
					),
					array(
						'code' => ':-*',
						'filename' => 'kiss.gif',
						'description' => $txt['icon_kiss'],
					),
					array(
						'code' => ':\'(',
						'filename' => 'cry.gif',
						'description' => $txt['icon_cry'],
						'isLast' => true,
					),
				),
				'isLast' => true,
			);
		elseif ($user_info['smiley_set'] != 'none')
		{
			if (($temp = cache_get_data('posting_smileys', 480)) == null)
			{
				$request = $smcFunc['db_query']('', '
					SELECT code, filename, description, smiley_row, hidden
					FROM {db_prefix}smileys
					WHERE hidden IN (0, 2)
					ORDER BY smiley_row, smiley_order',
					array(
					)
				);
				while ($row = $smcFunc['db_fetch_assoc']($request))
				{
					$row['filename'] = htmlspecialchars($row['filename']);
					$row['description'] = htmlspecialchars($row['description']);

					$context['smileys'][empty($row['hidden']) ? 'postform' : 'popup'][$row['smiley_row']]['smileys'][] = $row;
				}
				$smcFunc['db_free_result']($request);

				foreach ($context['smileys'] as $section => $smileyRows)
				{
					foreach ($smileyRows as $rowIndex => $smileys)
						$context['smileys'][$section][$rowIndex]['smileys'][count($smileys['smileys']) - 1]['isLast'] = true;

					if (!empty($smileyRows))
						$context['smileys'][$section][count($smileyRows) - 1]['isLast'] = true;
				}

				cache_put_data('posting_smileys', $context['smileys'], 480);
			}
			else
				$context['smileys'] = $temp;
		}
	}

	// Set a flag so the sub template knows what to do...
	$context['show_bbc'] = !empty($modSettings['enableBBC']) && !empty($settings['show_bbc']);

	// Switch the URLs back... now we're back to whatever the main sub template is.  (like folder in PersonalMessage.)
	if (isset($settings['use_default_images']) && $settings['use_default_images'] == 'defaults' && isset($settings['default_template']))
	{
		$settings['theme_url'] = $temp1;
		$settings['images_url'] = $temp2;
		$settings['theme_dir'] = $temp3;
	}

	if (!empty($editorOptions['live_errors']))
	{
		loadLanguage('Errors');

		addInlineJavascript('
	error_txts[\'no_subject\'] = ' . JavaScriptEscape($txt['error_no_subject']) . ';
	error_txts[\'no_message\'] = ' . JavaScriptEscape($txt['error_no_message']) . ';

	var subject_err = new errorbox_handler({
		self: \'subject_err\',
		error_box_id: \'post_error\',
		error_checks: [{
			code: \'no_subject\',
			function: function(box_value) {
				if (box_value.length == 0)
					return true;
				else
					return false;
			}
		}],
		check_id: "post_subject"
	});

	var body_err = new errorbox_handler({
		self: \'body_err\',
		error_box_id: \'post_error\',
		error_checks: [{
			code: \'no_message\',
			function: function(box_value) {
				if (box_value.length == 0)
					return true;
				else
					return false;
			}
		}],
		editor_id: \'' . $editorOptions['id'] . '\',
		editor: ' . JavaScriptEscape('
		function () {
			var editor = $("#' . $editorOptions['id'] . '").data("sceditor");
			var editor_val = \'\';
			if(editor.inSourceMode())
				editor_val = editor.getText();
			else
				editor_val  = editor.getText();

			return editor_val;
		};') . '
	});', true);
	}
}

/**
 * Create a anti-bot verification control?
 * @param array &$verificationOptions
 * @param bool $do_test = false
 */
function create_control_verification(&$verificationOptions, $do_test = false)
{
	global $txt, $modSettings, $options, $smcFunc;
	global $context, $settings, $user_info, $scripturl;

	// First verification means we need to set up some bits...
	if (empty($context['controls']['verification']))
	{
		// The template
		loadTemplate('GenericControls');

		// Some javascript ma'am?
		if (!empty($verificationOptions['override_visual']) || (!empty($modSettings['visual_verification_type']) && !isset($verificationOptions['override_visual'])))
			loadJavascriptFile('captcha.js');

		$context['use_graphic_library'] = in_array('gd', get_loaded_extensions());

		// Skip I, J, L, O, Q, S and Z.
		$context['standard_captcha_range'] = array_merge(range('A', 'H'), array('K', 'M', 'N', 'P', 'R'), range('T', 'Y'));
	}

	// Always have an ID.
	assert(isset($verificationOptions['id']));
	$isNew = !isset($context['controls']['verification'][$verificationOptions['id']]);

	// Log this into our collection.
	if ($isNew)
		$context['controls']['verification'][$verificationOptions['id']] = array(
			'id' => $verificationOptions['id'],
			'show_visual' => !empty($verificationOptions['override_visual']) || (!empty($modSettings['visual_verification_type']) && !isset($verificationOptions['override_visual'])),
			'number_questions' => isset($verificationOptions['override_qs']) ? $verificationOptions['override_qs'] : (!empty($modSettings['qa_verification_number']) ? $modSettings['qa_verification_number'] : 0),
			'max_errors' => isset($verificationOptions['max_errors']) ? $verificationOptions['max_errors'] : 3,
			'image_href' => $scripturl . '?action=verificationcode;vid=' . $verificationOptions['id'] . ';rand=' . md5(mt_rand()),
			'text_value' => '',
			'questions' => array(),
		);
	$thisVerification = &$context['controls']['verification'][$verificationOptions['id']];

	// Add javascript for the object.
	if ($context['controls']['verification'][$verificationOptions['id']]['show_visual'])
		addInlineJavascript('
				var verification' . $verificationOptions['id'] . 'Handle = new smfCaptcha("' . $thisVerification['image_href'] . '", "' . $verificationOptions['id'] . '", ' . ($context['use_graphic_library'] ? 1 : 0) . ');', true);

	// Is there actually going to be anything?
	if (empty($thisVerification['show_visual']) && empty($thisVerification['number_questions']))
		return false;
	elseif (!$isNew && !$do_test)
		return true;

	// If we want questions do we have a cache of all the IDs?
	if (!empty($thisVerification['number_questions']) && empty($modSettings['question_id_cache']))
	{
		if (($modSettings['question_id_cache'] = cache_get_data('verificationQuestionIds', 300)) == null)
		{
			$request = $smcFunc['db_query']('', '
				SELECT id_comment
				FROM {db_prefix}log_comments
				WHERE comment_type = {string:ver_test}',
				array(
					'ver_test' => 'ver_test',
				)
			);
			$modSettings['question_id_cache'] = array();
			while ($row = $smcFunc['db_fetch_assoc']($request))
				$modSettings['question_id_cache'][] = $row['id_comment'];
			$smcFunc['db_free_result']($request);

			if (!empty($modSettings['cache_enable']))
				cache_put_data('verificationQuestionIds', $modSettings['question_id_cache'], 300);
		}
	}

	if (!isset($_SESSION[$verificationOptions['id'] . '_vv']))
		$_SESSION[$verificationOptions['id'] . '_vv'] = array();

	// Do we need to refresh the verification?
	if (!$do_test && (!empty($_SESSION[$verificationOptions['id'] . '_vv']['did_pass']) || empty($_SESSION[$verificationOptions['id'] . '_vv']['count']) || $_SESSION[$verificationOptions['id'] . '_vv']['count'] > 3) && empty($verificationOptions['dont_refresh']))
		$force_refresh = true;
	else
		$force_refresh = false;

	// This can also force a fresh, although unlikely.
	if (($thisVerification['show_visual'] && empty($_SESSION[$verificationOptions['id'] . '_vv']['code'])) || ($thisVerification['number_questions'] && empty($_SESSION[$verificationOptions['id'] . '_vv']['q'])))
		$force_refresh = true;

	$verification_errors = error_context::context($verificationOptions['id']);

	// Start with any testing.
	if ($do_test)
	{
		// This cannot happen!
		if (!isset($_SESSION[$verificationOptions['id'] . '_vv']['count']))
			fatal_lang_error('no_access', false);
		// ... nor this!
		if ($thisVerification['number_questions'] && (!isset($_SESSION[$verificationOptions['id'] . '_vv']['q']) || !isset($_REQUEST[$verificationOptions['id'] . '_vv']['q'])))
			fatal_lang_error('no_access', false);

		if ($thisVerification['show_visual'] && (empty($_REQUEST[$verificationOptions['id'] . '_vv']['code']) || empty($_SESSION[$verificationOptions['id'] . '_vv']['code']) || strtoupper($_REQUEST[$verificationOptions['id'] . '_vv']['code']) !== $_SESSION[$verificationOptions['id'] . '_vv']['code']))
			$verification_errors->addError('wrong_verification_code');
		if ($thisVerification['number_questions'])
		{
			// Get the answers and see if they are all right!
			$request = $smcFunc['db_query']('', '
				SELECT id_comment, recipient_name AS answer
				FROM {db_prefix}log_comments
				WHERE comment_type = {string:ver_test}
					AND id_comment IN ({array_int:comment_ids})',
				array(
					'ver_test' => 'ver_test',
					'comment_ids' => $_SESSION[$verificationOptions['id'] . '_vv']['q'],
				)
			);
			$incorrectQuestions = array();
			while ($row = $smcFunc['db_fetch_assoc']($request))
			{
				if (!isset($_REQUEST[$verificationOptions['id'] . '_vv']['q'][$row['id_comment']]) || trim($_REQUEST[$verificationOptions['id'] . '_vv']['q'][$row['id_comment']]) == '' || trim($smcFunc['htmlspecialchars'](strtolower($_REQUEST[$verificationOptions['id'] . '_vv']['q'][$row['id_comment']]))) != strtolower($row['answer']))
					$incorrectQuestions[] = $row['id_comment'];
			}
			$smcFunc['db_free_result']($request);

			if (!empty($incorrectQuestions))
				$verification_errors->addError('wrong_verification_answer');
		}
	}

	// Any errors means we refresh potentially.
	if ($verification_errors->hasError(array('wrong_verification_code', 'wrong_verification_answer')))
	{
		if (empty($_SESSION[$verificationOptions['id'] . '_vv']['errors']))
			$_SESSION[$verificationOptions['id'] . '_vv']['errors'] = 0;
		// Too many errors?
		elseif ($_SESSION[$verificationOptions['id'] . '_vv']['errors'] > $thisVerification['max_errors'])
			$force_refresh = true;

		// Keep a track of these.
		$_SESSION[$verificationOptions['id'] . '_vv']['errors']++;
	}

	// Are we refreshing then?
	if ($force_refresh)
	{
		// Assume nothing went before.
		$_SESSION[$verificationOptions['id'] . '_vv']['count'] = 0;
		$_SESSION[$verificationOptions['id'] . '_vv']['errors'] = 0;
		$_SESSION[$verificationOptions['id'] . '_vv']['did_pass'] = false;
		$_SESSION[$verificationOptions['id'] . '_vv']['q'] = array();
		$_SESSION[$verificationOptions['id'] . '_vv']['code'] = '';

		// Generating a new image.
		if ($thisVerification['show_visual'])
		{
			// Are we overriding the range?
			$character_range = !empty($verificationOptions['override_range']) ? $verificationOptions['override_range'] : $context['standard_captcha_range'];

			for ($i = 0; $i < 6; $i++)
				$_SESSION[$verificationOptions['id'] . '_vv']['code'] .= $character_range[array_rand($character_range)];
		}

		// Getting some new questions?
		if ($thisVerification['number_questions'])
		{
			// Pick some random IDs
			$questionIDs = array();
			if ($thisVerification['number_questions'] == 1)
				$questionIDs[] = $modSettings['question_id_cache'][array_rand($modSettings['question_id_cache'], $thisVerification['number_questions'])];
			else
				foreach (array_rand($modSettings['question_id_cache'], $thisVerification['number_questions']) as $index)
					$questionIDs[] = $modSettings['question_id_cache'][$index];
		}
	}
	else
	{
		// Same questions as before.
		$questionIDs = !empty($_SESSION[$verificationOptions['id'] . '_vv']['q']) ? $_SESSION[$verificationOptions['id'] . '_vv']['q'] : array();
		$thisVerification['text_value'] = !empty($_REQUEST[$verificationOptions['id'] . '_vv']['code']) ? $smcFunc['htmlspecialchars']($_REQUEST[$verificationOptions['id'] . '_vv']['code']) : '';
	}

	// Have we got some questions to load?
	if (!empty($questionIDs))
	{
		$request = $smcFunc['db_query']('', '
			SELECT id_comment, body AS question
			FROM {db_prefix}log_comments
			WHERE comment_type = {string:ver_test}
				AND id_comment IN ({array_int:comment_ids})',
			array(
				'ver_test' => 'ver_test',
				'comment_ids' => $questionIDs,
			)
		);
		$_SESSION[$verificationOptions['id'] . '_vv']['q'] = array();
		while ($row = $smcFunc['db_fetch_assoc']($request))
		{
			$thisVerification['questions'][] = array(
				'id' => $row['id_comment'],
				'q' => parse_bbc($row['question']),
				'is_error' => !empty($incorrectQuestions) && in_array($row['id_comment'], $incorrectQuestions),
				// Remember a previous submission?
				'a' => isset($_REQUEST[$verificationOptions['id'] . '_vv'], $_REQUEST[$verificationOptions['id'] . '_vv']['q'], $_REQUEST[$verificationOptions['id'] . '_vv']['q'][$row['id_comment']]) ? $smcFunc['htmlspecialchars']($_REQUEST[$verificationOptions['id'] . '_vv']['q'][$row['id_comment']]) : '',
			);
			$_SESSION[$verificationOptions['id'] . '_vv']['q'][] = $row['id_comment'];
		}
		$smcFunc['db_free_result']($request);
	}

	$_SESSION[$verificationOptions['id'] . '_vv']['count'] = empty($_SESSION[$verificationOptions['id'] . '_vv']['count']) ? 1 : $_SESSION[$verificationOptions['id'] . '_vv']['count'] + 1;

	// Return errors if we have them.
	if ($verification_errors->hasErrors())
		return true;
	// If we had a test that one, make a note.
	elseif ($do_test)
		$_SESSION[$verificationOptions['id'] . '_vv']['did_pass'] = true;

	// Say that everything went well chaps.
	return true;
}

/**
 * Compatibility function - used in 1.1 for showing a post box.
 *
 * @param string $msg
 * @return string
 */
function theme_postbox($msg)
{
	global $context;

	return template_control_richedit($context['post_box_name']);
}

/**
 * !!!Compatibility!!!
 * Since we changed the editor we don't need it any more, but let's keep it if any mod wants to use it
 * Convert only the BBC that can be edited in HTML mode for the editor.
 *
 * @param string $text
 * @param boolean $compat_mode if true will convert the text, otherwise not (default false)
 * @return string
 */
function bbc_to_html($text, $compat_mode = false)
{
	global $modSettings, $smcFunc;

	if (!$compat_mode)
		return $text;

	// Turn line breaks back into br's.
	$text = strtr($text, array("\r" => '', "\n" => '<br />'));

	// Prevent conversion of all bbcode inside these bbcodes.
	// @todo Tie in with bbc permissions ?
	foreach (array('code', 'php', 'nobbc') as $code)
	{
		if (strpos($text, '['. $code) !== false)
		{
			$parts = preg_split('~(\[/' . $code . '\]|\[' . $code . '(?:=[^\]]+)?\])~i', $text, -1, PREG_SPLIT_DELIM_CAPTURE);

			// Only mess with stuff inside tags.
			for ($i = 0, $n = count($parts); $i < $n; $i++)
			{
				// Value of 2 means we're inside the tag.
				if ($i % 4 == 2)
					$parts[$i] = strtr($parts[$i], array('[' => '&#91;', ']' => '&#93;', "'" => "'"));
			}
			// Put our humpty dumpty message back together again.
			$text = implode('', $parts);
		}
	}

	// What tags do we allow?
	$allowed_tags = array('b', 'u', 'i', 's', 'hr', 'list', 'li', 'font', 'size', 'color', 'img', 'left', 'center', 'right', 'url', 'email', 'ftp', 'sub', 'sup');

	$text = parse_bbc($text, true, '', $allowed_tags);

	// Fix for having a line break then a thingy.
	$text = strtr($text, array('<br /><div' => '<div', "\n" => '', "\r" => ''));

	// Note that IE doesn't understand spans really - make them something "legacy"
	$working_html = array(
		'~<del>(.+?)</del>~i' => '<strike>$1</strike>',
		'~<span\sclass="bbc_u">(.+?)</span>~i' => '<u>$1</u>',
		'~<span\sstyle="color:\s*([#\d\w]+);" class="bbc_color">(.+?)</span>~i' => '<font color="$1">$2</font>',
		'~<span\sstyle="font-family:\s*([#\d\w\s]+);" class="bbc_font">(.+?)</span>~i' => '<font face="$1">$2</font>',
		'~<div\sstyle="text-align:\s*(left|right);">(.+?)</div>~i' => '<p align="$1">$2</p>',
	);
	$text = preg_replace(array_keys($working_html), array_values($working_html), $text);

	// Parse unique ID's and disable javascript into the smileys - using the double space.
	$i = 1;
	$text = preg_replace('~(?:\s|&nbsp;)?<(img\ssrc="' . preg_quote($modSettings['smileys_url'], '~') . '/[^<>]+?/([^<>]+?)"\s*)[^<>]*?class="smiley" />~e', '\'<\' . ' . 'stripslashes(\'$1\') . \'alt="" title="" onresizestart="return false;" id="smiley_\' . ' . "\$" . 'i++ . \'_$2" style="padding: 0 3px 0 3px;" />\'', $text);

	return $text;
}

/**
 * !!!Compatibility!!!
 *
 * This is not directly required any longer, but left for mod usage
 *
 * The harder one - wysiwyg to BBC!
 *
 * @param string $text
 * @return string
 */
function html_to_bbc($text)
{
	global $modSettings, $smcFunc, $scripturl, $context;

	// Replace newlines with spaces, as that's how browsers usually interpret them.
	$text = preg_replace("~\s*[\r\n]+\s*~", ' ', $text);

	// Though some of us love paragraphs, the parser will do better with breaks.
	$text = preg_replace('~</p>\s*?<p~i', '</p><br /><p', $text);
	$text = preg_replace('~</p>\s*(?!<)~i', '</p><br />', $text);

	// Safari/webkit wraps lines in Wysiwyg in <div>'s.
	if (isBrowser('webkit'))
		$text = preg_replace(array('~<div(?:\s(?:[^<>]*?))?' . '>~i', '</div>'), array('<br />', ''), $text);

	// If there's a trailing break get rid of it - Firefox tends to add one.
	$text = preg_replace('~<br\s?/?' . '>$~i', '', $text);

	// Remove any formatting within code tags.
	if (strpos($text, '[code') !== false)
	{
		$text = preg_replace('~<br\s?/?' . '>~i', '#smf_br_spec_grudge_cool!#', $text);
		$parts = preg_split('~(\[/code\]|\[code(?:=[^\]]+)?\])~i', $text, -1, PREG_SPLIT_DELIM_CAPTURE);

		// Only mess with stuff outside [code] tags.
		for ($i = 0, $n = count($parts); $i < $n; $i++)
		{
			// Value of 2 means we're inside the tag.
			if ($i % 4 == 2)
				$parts[$i] = strip_tags($parts[$i]);
		}

		$text = strtr(implode('', $parts), array('#smf_br_spec_grudge_cool!#' => '<br />'));
	}

	// Remove scripts, style and comment blocks.
	$text = preg_replace('~<script[^>]*[^/]?' . '>.*?</script>~i', '', $text);
	$text = preg_replace('~<style[^>]*[^/]?' . '>.*?</style>~i', '', $text);
	$text = preg_replace('~\\<\\!--.*?-->~i', '', $text);
	$text = preg_replace('~\\<\\!\\[CDATA\\[.*?\\]\\]\\>~i', '', $text);

	// Do the smileys ultra first!
	preg_match_all('~<img\s+[^<>]*?id="*smiley_\d+_([^<>]+?)[\s"/>]\s*[^<>]*?/*>(?:\s)?~i', $text, $matches);
	if (!empty($matches[0]))
	{
		// Easy if it's not custom.
		if (empty($modSettings['smiley_enable']))
		{
			$smileysfrom = array('>:D', ':D', '::)', '>:(', ':)', ';)', ';D', ':(', ':o', '8)', ':P', '???', ':-[', ':-X', ':-*', ':\'(', ':-\\', '^-^', 'O0', 'C:-)', '0:)');
			$smileysto = array('evil.gif', 'cheesy.gif', 'rolleyes.gif', 'angry.gif', 'smiley.gif', 'wink.gif', 'grin.gif', 'sad.gif', 'shocked.gif', 'cool.gif', 'tongue.gif', 'huh.gif', 'embarrassed.gif', 'lipsrsealed.gif', 'kiss.gif', 'cry.gif', 'undecided.gif', 'azn.gif', 'afro.gif', 'police.gif', 'angel.gif');

			foreach ($matches[1] as $k => $file)
			{
				$found = array_search($file, $smileysto);
				// Note the weirdness here is to stop double spaces between smileys.
				if ($found)
					$matches[1][$k] = '-[]-smf_smily_start#|#' . htmlspecialchars($smileysfrom[$found]) . '-[]-smf_smily_end#|#';
				else
					$matches[1][$k] = '';
			}
		}
		else
		{
			// Load all the smileys.
			$names = array();
			foreach ($matches[1] as $file)
				$names[] = $file;
			$names = array_unique($names);

			if (!empty($names))
			{
				$request = $smcFunc['db_query']('', '
					SELECT code, filename
					FROM {db_prefix}smileys
					WHERE filename IN ({array_string:smiley_filenames})',
					array(
						'smiley_filenames' => $names,
					)
				);
				$mappings = array();
				while ($row = $smcFunc['db_fetch_assoc']($request))
					$mappings[$row['filename']] = htmlspecialchars($row['code']);
				$smcFunc['db_free_result']($request);

				foreach ($matches[1] as $k => $file)
					if (isset($mappings[$file]))
						$matches[1][$k] = '-[]-smf_smily_start#|#' . $mappings[$file] . '-[]-smf_smily_end#|#';
			}
		}

		// Replace the tags!
		$text = str_replace($matches[0], $matches[1], $text);

		// Now sort out spaces
		$text = str_replace(array('-[]-smf_smily_end#|#-[]-smf_smily_start#|#', '-[]-smf_smily_end#|#', '-[]-smf_smily_start#|#'), ' ', $text);
	}

	// Only try to buy more time if the client didn't quit.
	if (connection_aborted() && $context['server']['is_apache'])
		@apache_reset_timeout();

	$parts = preg_split('~(<[A-Za-z]+\s*[^<>]*?style="?[^<>"]+"?[^<>]*?(?:/?)>|</[A-Za-z]+>)~', $text, -1, PREG_SPLIT_DELIM_CAPTURE);
	$replacement = '';
	$stack = array();

	foreach ($parts as $part)
	{
		if (preg_match('~(<([A-Za-z]+)\s*[^<>]*?)style="?([^<>"]+)"?([^<>]*?(/?)>)~', $part, $matches) === 1)
		{
			// If it's being closed instantly, we can't deal with it...yet.
			if ($matches[5] === '/')
				continue;
			else
			{
				// Get an array of styles that apply to this element. (The strtr is there to combat HTML generated by Word.)
				$styles = explode(';', strtr($matches[3], array('&quot;' => '')));
				$curElement = $matches[2];
				$precedingStyle = $matches[1];
				$afterStyle = $matches[4];
				$curCloseTags = '';
				$extra_attr = '';

				foreach ($styles as $type_value_pair)
				{
					// Remove spaces and convert uppercase letters.
					$clean_type_value_pair = strtolower(strtr(trim($type_value_pair), '=', ':'));

					// Something like 'font-weight: bold' is expected here.
					if (strpos($clean_type_value_pair, ':') === false)
						continue;

					// Capture the elements of a single style item (e.g. 'font-weight' and 'bold').
					list ($style_type, $style_value) = explode(':', $type_value_pair);

					$style_value = trim($style_value);

					switch (trim($style_type))
					{
						case 'font-weight':
							if ($style_value === 'bold')
							{
								$curCloseTags .= '[/b]';
								$replacement .= '[b]';
							}
						break;

						case 'text-decoration':
							if ($style_value == 'underline')
							{
								$curCloseTags .= '[/u]';
								$replacement .= '[u]';
							}
							elseif ($style_value == 'line-through')
							{
								$curCloseTags .= '[/s]';
								$replacement .= '[s]';
							}
						break;

						case 'text-align':
							if ($style_value == 'left')
							{
								$curCloseTags .= '[/left]';
								$replacement .= '[left]';
							}
							elseif ($style_value == 'center')
							{
								$curCloseTags .= '[/center]';
								$replacement .= '[center]';
							}
							elseif ($style_value == 'right')
							{
								$curCloseTags .= '[/right]';
								$replacement .= '[right]';
							}
						break;

						case 'font-style':
							if ($style_value == 'italic')
							{
								$curCloseTags .= '[/i]';
								$replacement .= '[i]';
							}
						break;

						case 'color':
							$curCloseTags .= '[/color]';
							$replacement .= '[color=' . $style_value . ']';
						break;

						case 'font-size':
							// Sometimes people put decimals where decimals should not be.
							if (preg_match('~(\d)+\.\d+(p[xt])~i', $style_value, $dec_matches) === 1)
								$style_value = $dec_matches[1] . $dec_matches[2];

							$curCloseTags .= '[/size]';
							$replacement .= '[size=' . $style_value . ']';
						break;

						case 'font-family':
							// Only get the first freaking font if there's a list!
							if (strpos($style_value, ',') !== false)
								$style_value = substr($style_value, 0, strpos($style_value, ','));

							$curCloseTags .= '[/font]';
							$replacement .= '[font=' . strtr($style_value, array("'" => '')) . ']';
						break;

						// This is a hack for images with dimensions embedded.
						case 'width':
						case 'height':
							if (preg_match('~[1-9]\d*~i', $style_value, $dimension) === 1)
								$extra_attr .= ' ' . $style_type . '="' . $dimension[0] . '"';
						break;

						case 'list-style-type':
							if (preg_match('~none|disc|circle|square|decimal|decimal-leading-zero|lower-roman|upper-roman|lower-alpha|upper-alpha|lower-greek|lower-latin|upper-latin|hebrew|armenian|georgian|cjk-ideographic|hiragana|katakana|hiragana-iroha|katakana-iroha~i', $style_value, $listType) === 1)
								$extra_attr .= ' listtype="' . $listType[0] . '"';
						break;
					}
				}

				// Preserve some tags stripping the styling.
				if (in_array($matches[2], array('a', 'font', 'td')))
				{
					$replacement .= $precedingStyle . $afterStyle;
					$curCloseTags = '</' . $matches[2] . '>' . $curCloseTags;
				}

				// If there's something that still needs closing, push it to the stack.
				if (!empty($curCloseTags))
					array_push($stack, array(
							'element' => strtolower($curElement),
							'closeTags' => $curCloseTags
						)
					);
				elseif (!empty($extra_attr))
					$replacement .= $precedingStyle . $extra_attr . $afterStyle;
			}
		}

		elseif (preg_match('~</([A-Za-z]+)>~', $part, $matches) === 1)
		{
			// Is this the element that we've been waiting for to be closed?
			if (!empty($stack) && strtolower($matches[1]) === $stack[count($stack) - 1]['element'])
			{
				$byebyeTag = array_pop($stack);
				$replacement .= $byebyeTag['closeTags'];
			}

			// Must've been something else.
			else
				$replacement .= $part;
		}
		// In all other cases, just add the part to the replacement.
		else
			$replacement .= $part;
	}

	// Now put back the replacement in the text.
	$text = $replacement;

	// We are not finished yet, request more time.
	if (connection_aborted() && $context['server']['is_apache'])
		@apache_reset_timeout();

	// Let's pull out any legacy alignments.
	while (preg_match('~<([A-Za-z]+)\s+[^<>]*?(align="*(left|center|right)"*)[^<>]*?(/?)>~i', $text, $matches) === 1)
	{
		// Find the position in the text of this tag over again.
		$start_pos = strpos($text, $matches[0]);
		if ($start_pos === false)
			break;

		// End tag?
		if ($matches[4] != '/' && strpos($text, '</' . $matches[1] . '>', $start_pos) !== false)
		{
			$end_length = strlen('</' . $matches[1] . '>');
			$end_pos = strpos($text, '</' . $matches[1] . '>', $start_pos);

			// Remove the align from that tag so it's never checked again.
			$tag = substr($text, $start_pos, strlen($matches[0]));
			$content = substr($text, $start_pos + strlen($matches[0]), $end_pos - $start_pos - strlen($matches[0]));
			$tag = str_replace($matches[2], '', $tag);

			// Put the tags back into the body.
			$text = substr($text, 0, $start_pos) . $tag . '[' . $matches[3] . ']' . $content . '[/' . $matches[3] . ']' . substr($text, $end_pos);
		}
		else
		{
			// Just get rid of this evil tag.
			$text = substr($text, 0, $start_pos) . substr($text, $start_pos + strlen($matches[0]));
		}
	}

	// Let's do some special stuff for fonts - cause we all love fonts.
	while (preg_match('~<font\s+([^<>]*)>~i', $text, $matches) === 1)
	{
		// Find the position of this again.
		$start_pos = strpos($text, $matches[0]);
		$end_pos = false;
		if ($start_pos === false)
			break;

		// This must have an end tag - and we must find the right one.
		$lower_text = strtolower($text);

		$start_pos_test = $start_pos + 4;
		// How many starting tags must we find closing ones for first?
		$start_font_tag_stack = 0;
		while ($start_pos_test < strlen($text))
		{
			// Where is the next starting font?
			$next_start_pos = strpos($lower_text, '<font', $start_pos_test);
			$next_end_pos = strpos($lower_text, '</font>', $start_pos_test);

			// Did we past another starting tag before an end one?
			if ($next_start_pos !== false && $next_start_pos < $next_end_pos)
			{
				$start_font_tag_stack++;
				$start_pos_test = $next_start_pos + 4;
			}
			// Otherwise we have an end tag but not the right one?
			elseif ($start_font_tag_stack)
			{
				$start_font_tag_stack--;
				$start_pos_test = $next_end_pos + 4;
			}
			// Otherwise we're there!
			else
			{
				$end_pos = $next_end_pos;
				break;
			}
		}
		if ($end_pos === false)
			break;

		// Now work out what the attributes are.
		$attribs = fetchTagAttributes($matches[1]);
		$tags = array();
		$sizes_equivalence = array(1 => '8pt', '10pt', '12pt', '14pt', '18pt', '24pt', '36pt');
		foreach ($attribs as $s => $v)
		{
			if ($s == 'size')
			{
				// Cast before empty chech because casting a string results in a 0 and we don't have zeros in the array! ;)
				$v = (int) trim($v);
				$v = empty($v) ? 1 : $v;
				$tags[] = array('[size=' . $sizes_equivalence[$v] . ']', '[/size]');
			}
			elseif ($s == 'face')
				$tags[] = array('[font=' . trim(strtolower($v)) . ']', '[/font]');
			elseif ($s == 'color')
				$tags[] = array('[color=' . trim(strtolower($v)) . ']', '[/color]');
		}

		// As before add in our tags.
		$before = $after = '';
		foreach ($tags as $tag)
		{
			$before .= $tag[0];
			if (isset($tag[1]))
				$after = $tag[1] . $after;
		}

		// Remove the tag so it's never checked again.
		$content = substr($text, $start_pos + strlen($matches[0]), $end_pos - $start_pos - strlen($matches[0]));

		// Put the tags back into the body.
		$text = substr($text, 0, $start_pos) . $before . $content . $after . substr($text, $end_pos + 7);
	}

	// Almost there, just a little more time.
	if (connection_aborted() && $context['server']['is_apache'])
		@apache_reset_timeout();

	if (count($parts = preg_split('~<(/?)(li|ol|ul)([^>]*)>~i', $text, null, PREG_SPLIT_DELIM_CAPTURE)) > 1)
	{
		// A toggle that dermines whether we're directly under a <ol> or <ul>.
		$inList = false;

		// Keep track of the number of nested list levels.
		$listDepth = 0;

		// Map what we can expect from the HTML to what is supported.
		$listTypeMapping = array(
			'1' => 'decimal',
			'A' => 'upper-alpha',
			'a' => 'lower-alpha',
			'I' => 'upper-roman',
			'i' => 'lower-roman',
			'disc' => 'disc',
			'square' => 'square',
			'circle' => 'circle',
		);

		// $i: text, $i + 1: '/', $i + 2: tag, $i + 3: tail.
		for ($i = 0, $numParts = count($parts) - 1; $i < $numParts; $i += 4)
		{
			$tag = strtolower($parts[$i + 2]);
			$isOpeningTag = $parts[$i + 1] === '';

			if ($isOpeningTag)
			{
				switch ($tag)
				{
					case 'ol':
					case 'ul':

						// We have a problem, we're already in a list.
						if ($inList)
						{
							// Inject a list opener, we'll deal with the ol/ul next loop.
							array_splice($parts, $i, 0, array(
								'',
								'',
								str_repeat("\t", $listDepth) . '[li]',
								'',
							));
							$numParts = count($parts) - 1;

							// The inlist status changes a bit.
							$inList = false;
						}

						// Just starting a new list.
						else
						{
							$inList = true;

							if ($tag === 'ol')
								$listType = 'decimal';
							elseif (preg_match('~type="?(' . implode('|', array_keys($listTypeMapping)) . ')"?~', $parts[$i + 3], $match) === 1)
								$listType = $listTypeMapping[$match[1]];
							else
								$listType = null;

							$listDepth++;

							$parts[$i + 2] = '[list' . ($listType === null ? '' : ' type=' . $listType) . ']' . "\n";
							$parts[$i + 3] = '';
						}
					break;

					case 'li':

						// This is how it should be: a list item inside the list.
						if ($inList)
						{
							$parts[$i + 2] = str_repeat("\t", $listDepth) . '[li]';
							$parts[$i + 3] = '';

							// Within a list item, it's almost as if you're outside.
							$inList = false;
						}

						// The li is no direct child of a list.
						else
						{
							// We are apparently in a list item.
							if ($listDepth > 0)
							{
								$parts[$i + 2] = '[/li]' . "\n" . str_repeat("\t", $listDepth) . '[li]';
								$parts[$i + 3] = '';
							}

							// We're not even near a list.
							else
							{
								// Quickly create a list with an item.
								$listDepth++;

								$parts[$i + 2] = '[list]' . "\n\t" . '[li]';
								$parts[$i + 3] = '';
							}
						}

					break;
				}
			}

			// Handle all the closing tags.
			else
			{
				switch ($tag)
				{
					case 'ol':
					case 'ul':

						// As we expected it, closing the list while we're in it.
						if ($inList)
						{
							$inList = false;

							$listDepth--;

							$parts[$i + 1] = '';
							$parts[$i + 2] = str_repeat("\t", $listDepth) . '[/list]';
							$parts[$i + 3] = '';
						}

						else
						{
							// We're in a list item.
							if ($listDepth > 0)
							{
								// Inject closure for this list item first.
								// The content of $parts[$i] is left as is!
								array_splice($parts, $i + 1, 0, array(
									'',				// $i + 1
									'[/li]' . "\n",	// $i + 2
									'',				// $i + 3
									'',				// $i + 4
								));
								$numParts = count($parts) - 1;

								// Now that we've closed the li, we're in list space.
								$inList = true;
							}

							// We're not even in a list, ignore
							else
							{
								$parts[$i + 1] = '';
								$parts[$i + 2] = '';
								$parts[$i + 3] = '';
							}
						}
					break;

					case 'li':

		…