如何计算嵌套数组的元素?我想要统计$ student_info ['Aptitude']的元素。php cakephp:如何计算嵌套数组的元素
我尝试以下,我在下面的代码获得未定义指数:
else if (count($student_info["Aptitude"])==0){ //no records for report card
$this->Session->setFlash('Your child is a new student in our school.
He/She doesn\'t have records for a report card yet.');
$this->redirect(array('controller'=>'pages','action'=>'home'));
性向是内$ student_info具有4个阵列
的var_dump($ student_info)的阵列产生以下输出。 Aptitude数组在最后一行。它没有任何元素:
array(1) {
[0]=> array(4) {
["Student"]=> array(10) {
["id"]=> string(2) "20"
["name"]=> string(15) "Uma Palaniappan"
["gender"]=> string(6) "Female"
["dob"]=> string(10) "2007-04-26"
["created"]=> string(19) "2011-12-29 10:14:03"
["modified"]=> string(19) "2011-12-29 10:14:03"
["merry_class_id"]=> string(1) "3"
["merry_parent_id"]=> string(2) "25"
["term1_comments"]=> NULL
["term2_comments"]=> NULL
}
["MerryParent"]=> array(14) {
["id"]=> string(2) "25"
["initial"]=> string(2) "Mr"
["name"]=> string(13) "Palaniappan K"
["username"]=> string(7) "kpalani"
["email"]=>string(20) "[email protected]"
["password"]=> string(40) "43f5e1298f3b2478a9cd4ab7c6f5f703380dbcc9"
["landline"]=> string(12) "044-77223399"
["mobile"]=> string(10) "9860662309"
["address"]=> string(15) "44 Megala Chowk"
["state_id"]=> string(1) "6"
["city_id"]=> string(3) "103"
["postal_code"]=> string(6) "384733"
["created"]=> string(19) "2011-12-29 10:14:03"
["modified"]=> string(19) "2011-12-29 10:52:23"
}
["MerryClass"]=> array(2) {
["id"]=> string(1) "3"
["class_name"]=> string(3) "LKG"
}
["Aptitude"]=> array(0) {
}
}
}
谢谢。
大声笑,希望是测试数据或先生帕拉尼亚潘·K可以得到一些不寻常的电话。当然是 – 2012-04-12 05:38:18
这是测试数据。 :) – vaanipala 2012-04-12 05:57:43