array ...

Posted on 16th Feb 2014 07:03 pm by admin

hi
Code: function formatCategories($categories, $parentId)
{
// $navCat stores all children categories
// of $parentId
$navCat = array();

// expand only the categories with the same parent id
// all other remain compact
$ids = array();
foreach ($categories as $category) {
if ($category['cat_parent_id'] == $parentId) {
$navCat[] = $category;

}


// save the ids for later use
$ids[$category['cat_id']] = $category;

}


print_r($ids[$category[0]]);

If i am printing the array using,
print_r($ids[$category[0]]);here 0 is the start key of the array(as shown in last line of codes)..OR print_r($ids[$category[12]]);
here 12 is the cat_id of a product...

I am getting notice as,Notice: Undefined offset: 0.
without out the display of expected output..

But if i use print_r($ids);
i get,

Array ( [12] => Array ( [cat_id] => 12 [cat_parent_id] => 0 [cat_name] => Cars [cat_image] => dce08605333d805106217aaab7f93b95.jpg [cat_description] => Expensive and luxurious cars ) [13] => Array ( [cat_id] => 13 [cat_parent_id] => 0 .................................etc....

And
if i use print_r($ids[$category['cat_id']]);after for each loop
i get,
Array ( [cat_id] => 17 [cat_parent_id] => 13 [cat_name] => Hunter X Hunter [cat_image] => 746e05a7a629d53bc488115a75ee35d9.jpg [cat_description] => Story about hunter and combat )

The question is why do i get notice of undefined offset after using those,print_r($ids[$category[0]]);(as shown in last line of codes)..OR print_r($ids[$category[12]]); statements instead of expected output..


could you explain this please..

thanks

Your Answer:

Login to answer

Other forums

how to make database item unique
Hey guys,

is it possible to do this:

I have the database item $title being pulled for

Last Weeks sDate and eDate.
sDate - Start Date
eDate - End Date

I need to pull two dates for "Last Week" whi

Shuffle Array
Hi,

I am writing a script for a game that needs players to randomly be assigned a target (ano

why isn't this PHP code working ???
it's suppose to find a name on the database.

<?php

$s = $_POST["lname&

Print 'a' to 'z' via for loop
A very simple problem..
How Can I print a to z NOT a to y ?
It is a part of a code where
<

Remove Rows From Database ad
Hi All,

I have this:

Code: [Select]<?php
session_start();
include('../com

Help with Contact Form
I have this Form on an html page and the associated code on page.php (below).
I keep getting the

PEAR in appliactiond development
When I was picking up PHP I went from procedural programming, fairly quickly into OOP, then after wr

help with image upload code
Hello,

right now this code I have resizes images and then places them into the uploads folder

Linux socket programming
Where can I find a good introduction to socket programming?