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

Extra fields in main body and php required.
I'm new to PHP so please be gentle. I have a little php script below that works well.
The &quo

read integers that returns a negative or prints the average
Im trying to finish this homework assignment by tommarow afternoon and I keep getting stuck.
Wr

problems with php variables in mysql query
i can't seem to get the following query to work.

select $q1c from $vote_rate where id = $re

ALV List display - header width adjust
Hi,

I am using REUSE_ALV_LIST_DISPLAY for my ALV display.The width of the ALV varies for

Files in current folder. Should be an easy fix.
Never mind. I've asked about this before and just found my answer. Anyway to delete this?

getting rid of quotes in strings
sick of trying to deal with them in multiple ways (entering in and taking from database, echoing, ec

Function
How can I make this function that once you click the link in the code it takes you to a new page wit

Small problem with image resize script
Hi!

I am a little bit new to php and I have an issue installing an image resize script I down

Multiple includes losing variables
Hey all,

just starting out w php and ran into a problem pretty quickly. I'm
including seve

I need help on this PHP code
Hi everybody, I made some kind of mistake while editing the code below. As you see, at the 3 row my