How to access sub array in JSON - PHP

Question

I have posted parts of this.. but this a different question for it

i have the below

foreach ($results['comments'] as $item) {

  echo 'Date: '. $item['created_at'] .'<br/>';
  echo 'Description : '. $item['html_body'] .'<br/>';
  echo 'Attachments : '. $item['attacments->url'] .'<br/>';
  echo 'Filename : '. $item['file_name'] .'<br/>';
  echo "<br>";
}

So basically, my Date and Description work, BUT the attachments wont work, b/c i dont think thats the correct way to get an object thats within an array of an array? hope i explained it correctly.

the comments array has all the date as a single object and so is description, then it has this trailing.

[public] => 1 [trusted] => 1 [attachments] => Array ( [0] => Array ( [url] => https://url/api/v2/attachments/IDHERE.json [id] => ID#[file_name] => name of file here

How about file_name? would it be $item['attachments'][0]['url'][0]['id'][0]['file_name'] @Nouphal.M — user3100345
– user3100345, Commented Feb 6, 2014 at 16:47

meda · Accepted Answer · 2014-02-06 17:00:30Z

2

Take a look at your array dump

[public] => 1
[trusted] => 1
[attachments] => Array (
    [0] => Array (
        [url] => https://url/api/v2/attachments/IDHERE.json
        [id] => ID#
        [file_name] => name of file here

Get the values like this:

$Attachments = $item['attachments'];
$AttachmentsUrl = $Attachments[0]['url'];
$Attachmentsid = $Attachments[0]['id'];
$AttachmentsFileName = $Attachments[0]['file_name'];

answered Feb 6, 2014 at 17:00

meda

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4 Comments

user3100345 Over a year ago

can i ask, since the code is giving me an error of PHP Notice: Undefined offset: 0, can't i use the name of the array instead? how would that look @meda

meda Over a year ago

@user3100345 if it throws an error, it means $Attachments[0] does not have any element at that index

user3100345 Over a year ago

Should i put an if statement?

meda Over a year ago

@user3100345 yes check if attachment array is set, maybe not all you comments have attachment, see this answer coincidentally it simillar to your case

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