View file includes/functions_selects.php

<?php

function language_select($default, $select_name = "language", $dirname="language")
{
	global $phpEx, $phpbb_root_path;

	$dir = opendir($phpbb_root_path . $dirname);

	$lang = array();
	while ( $file = readdir($dir) )
	{
		if (preg_match('#^lang_#i', $file) && !is_file(@phpbb_realpath($phpbb_root_path . $dirname . '/' . $file)) && !is_link(@phpbb_realpath($phpbb_root_path . $dirname . '/' . $file)))
		{
			$filename = trim(str_replace("lang_", "", $file));
			$displayname = preg_replace("/^(.*?)_(.*)$/", "\\1 [ \\2 ]", $filename);
			$displayname = preg_replace("/\[(.*?)_(.*)\]/", "[ \\1 - \\2 ]", $displayname);
			$lang[$displayname] = $filename;
		}
	}

	closedir($dir);

	@asort($lang);
	@reset($lang);

	$lang_select = '<select name="' . $select_name . '">';
	while ( list($displayname, $filename) = @each($lang) )
	{
		$selected = ( strtolower($default) == strtolower($filename) ) ? ' selected="selected"' : '';
		$lang_select .= '<option value="' . $filename . '"' . $selected . '>' . ucwords($displayname) . '</option>';
	}
	$lang_select .= '</select>';

	return $lang_select;
}

function style_select($default_style, $select_name = "style")
{
	global $db;

	$sql = "SELECT style_id, style_name
		FROM " . STYLES_CSS . " 
		ORDER BY style_id ASC";
	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, "Couldn't query themes table", "", __LINE__, __FILE__, $sql);
	}

	$style_select = '<select name="' . $select_name . '">';
	while ( $row = $db->sql_fetchrow($result) )
	{
		$selected = ( $row['style_id'] == $default_style ) ? ' selected="selected"' : '';

		$style_select .= '<option value="' . $row['style_id'] . '"' . $selected . '>' . $row['style_name'] . '</option>';
	}
	$style_select .= "</select>";

	return $style_select;
}

function tz_select($default, $select_name = 'timezone')
{
	global $sys_timezone, $lang;

	if ( !isset($default) )
	{
		$default == $sys_timezone;
	}
	$tz_select = '<select name="' . $select_name . '">';

	while( list($offset, $zone) = @each($lang['tz']) )
	{
		$selected = ( $offset == $default ) ? ' selected="selected"' : '';
		$tz_select .= '<option value="' . $offset . '"' . $selected . '>' . $zone . '</option>';
	}
	$tz_select .= '</select>';

	return $tz_select;
}

function select_dateformat($dateformat, $name)
{
	global  $userdata;
	$select_date_format = '<select name="' . $name . '">' . "\n";
	foreach (array("d M Y, H:i", "d M Y", "j/m/Y, H:i", "j/m/Y", "j.m.y, H:i", "j.m.y") as $k => $v) {
		$select_date_format .= '<option value="' . $v . '"' . ($v == $dateformat ? ' selected="selected"' : '') . '>';
		$select_date_format .= create_date($v, time(), $userdata['user_timezone'], false) . '</option>' . "\n";
	}
	$select_date_format .= '</select>';
	return $select_date_format;
}

?>