PHP issue in UI

fjqzyc

array_key_exists和isset的效率,建议使用后者，代码如下

if (!array_key_exists($bl,$tuan_letter_cities)) {                                       
$tuan_letter_cities[$bl] = array();                                   
}


对临时变量的使用：

if($name == "www") {
$letter_cities[$bl][] = array($pcity,
CityUtil::name2domain($pcity), CityUtil::isBigCity($pcity));
} else if ($name == "mall") {
$letter_cities[$bl][] = array($pcity,
CityUtil::name2domain($pcity), NewTuan::isYoujuCity($pcity));
if(NewTuan::isYoujuCity($pcity)){
if (!array_key_exists($bl,$tuan_letter_cities)) {
$tuan_letter_cities[$bl] = array();
}
$tuan_num++;
$tuan_letter_cities[$bl][] = array($pcity, CityUtil::name2domain($pcity), true);
} else {
if (!array_key_exists($bl, $normal_letter_cities)) {
$normal_letter_cities[$bl] = array();
}
$normal_letter_cities[$bl][]= array($pcity, CityUtil::name2domain($pcity), false);
}
}