discuz 获取用户资料getuserprofile函数解析

函数定义：function_core.php
函数参数：
field：资料段名称
返回值：存在返回资料内容反正返回null

function getuserprofile($field) {
	global $_G;
	if(isset($_G['member'][$field])) {
		return $_G['member'][$field];
	}
	static $tablefields = array(
		'count'		=> array('extcredits1','extcredits2','extcredits3','extcredits4','extcredits5','extcredits6','extcredits7','extcredits8','friends','posts','threads','digestposts','doings','blogs','albums','sharings','attachsize','views','oltime','todayattachs','todayattachsize', 'follower', 'following', 'newfollower', 'blacklist'),
		'status'	=> array('regip','lastip','lastvisit','lastactivity','lastpost','lastsendmail','invisible','buyercredit','sellercredit','favtimes','sharetimes','profileprogress'),
		'field_forum'	=> array('publishfeed','customshow','customstatus','medals','sightml','groupterms','authstr','groups','attentiongroup'),
		'field_home'	=> array('videophoto','spacename','spacedescription','domain','addsize','addfriend','menunum','theme','spacecss','blockposition','recentnote','spacenote','privacy','feedfriend','acceptemail','magicgift','stickblogs'),
		'profile'	=> array('realname','gender','birthyear','birthmonth','birthday','constellation','zodiac','telephone','mobile','idcardtype','idcard','address','zipcode','nationality','birthprovince','birthcity','resideprovince','residecity','residedist','residecommunity','residesuite','graduateschool','company','education','occupation','position','revenue','affectivestatus','lookingfor','bloodtype','height','weight','alipay','icq','qq','yahoo','msn','taobao','site','bio','interest','field1','field2','field3','field4','field5','field6','field7','field8'),
		'verify'	=> array('verify1', 'verify2', 'verify3', 'verify4', 'verify5', 'verify6', 'verify7'),
	);
	$profiletable = '';
	foreach($tablefields as $table => $fields) {
		if(in_array($field, $fields)) {
			$profiletable = $table;
			break;
		}
	}
	if($profiletable) {

		if(is_array($_G['member']) && $_G['member']['uid']) {
			space_merge($_G['member'], $profiletable);
		} else {
			foreach($tablefields[$profiletable] as $k) {
				$_G['member'][$k] = '';
			}
		}
		return $_G['member'][$field];
	}
	return null;
}