$all_zone=array(array("id"=>"R001","name"=>"东城区"),array("id"=>"R002","name"=>"西城区"),array("id"=>"R003","name"=>"朝阳区"),array("id"=>"R004","name"=>"海淀区"),array("id"=>"R005","name"=>"昌平区"),array("id"=>"R006","name"=>"丰台区"),array("id"=>"R007","name"=>"通州区"),array("id"=>"","name"=>""),array("id"=>"R008","name"=>"大兴区"),);

<?php
$all_zone=array(array("id"=>"R001","name"=>"东城区"),array("id"=>"R002","name"=>"西城区"),array("id"=>"R003","name"=>"朝阳区"),array("id"=>"R004","name"=>"海淀区"),array("id"=>"R005","name"=>"昌平区"),array("id"=>"R006","name"=>"丰台区"),array("id"=>"R007","name"=>"通州区"),array("id"=>"","name"=>""),array("id"=>"R008","name"=>"大兴区"),);
//自定义函数，去除包含某一个值得数组
function delValue($arr)
{foreach ($arr as $key=>$value){if($value=="R004"||$value==""){return false;}return true;}
}
$reArr=array_filter($all_zone,"delValue");
sort($reArr);//重新生成索引下标
print_r($reArr);
?>

array0 => array'id' => string 'R001' (length=4)'name' => string '东城区' (length=6)1 => array'id' => string 'R002' (length=4)'name' => string '西城区' (length=6)2 => array'id' => string 'R003' (length=4)'name' => string '朝阳区' (length=6)3 => array'id' => string 'R005' (length=4)'name' => string '昌平区' (length=6)4 => array'id' => string 'R006' (length=4)'name' => string '丰台区' (length=6)5 => array'id' => string 'R007' (length=4)'name' => string '通州区' (length=6)6 => array'id' => string 'R008' (length=4)'name' => string '大兴区' (length=6)