Parsing a JSON string with multiple arrays - php

Question

I am trying to parse this JSON string
$json = {"fields":{
"relationshipStatus":[{"fieldId":4,"name":"Committed"},{"fieldId":2,"name":"Dating"},{"fieldId":6,"name":"Engaged"},{"fieldId":3,"name":"Exclusive"},{"fieldId":7,"name":"Married"},{"fieldId":8,"name":"Open Relationship"},{"fieldId":5,"name":"Partnered"},{"fieldId":1,"name":"Single"}],
"ethnicity":[{"fieldId":1,"name":"Asian"},{"fieldId":2,"name":"Black"},{"fieldId":3,"name":"Latino"},{"fieldId":4,"name":"Middle Eastern"},{"fieldId":5,"name":"Mixed"},{"fieldId":6,"name":"Native American"},{"fieldId":8,"name":"Other"},{"fieldId":9,"name":"South Asian"},{"fieldId":7,"name":"White"}],
}}
Using this foreach loop, ultimately I want to be able to take the data and use them as Select / List dropdowns on a form.
foreach($json['fields'] as $item){
foreach($item['relationshipStatus'] as $relationship){
echo $relationship['name'] . " " . $relationship['fieldId'] . "<br/>";
}
foreach($item['ethnicity'] as $ethnicity){
echo $ethnicity['name'] . " " . $ethnicity['fieldId'] . "<br/>";
}
}
No matter how I try to pull the data out, I keep getting errors similar to:
Notice: Undefined index: relationshipStatus in
/Applications/MAMP/htdocs/updateprofile.php on line 126 Warning:
Invalid argument supplied for foreach() in
/Applications/MAMP/htdocs/updateprofile.php on line 126
What am I doing wrong?

Answer 1

The first foreach selects already relationshipStatus and ethnicity. Maybe the following changes show what I mean:
foreach($json['fields'] as $key=>$item){
if ($key == 'relationshipStatus')
foreach($item as $relationship){
echo $relationship['name'] . " " . $relationship['fieldId'] . "<br/>";
}
else if ($key == 'ethnicity')
foreach($item as $ethnicity){
echo $ethnicity['name'] . " " . $ethnicity['fieldId'] . "<br/>";
}
}

Answer 2

Here, you iterating the JSON Object in a wrong way.The array values you want to fetch is actually under $json['fields']['relationshipStatus'].
var name = $json['fields']['relationshipStatus']['name'];
var fieldId = $json['fields']['relationshipStatus']['fieldId'];
=============================== OR ========================================
As described by the A.fink
foreach($json['fields'] as $key=>$item){
if ($key == 'relationshipStatus')
foreach($item as $relationship){
echo $relationship['name'] . " " . $relationship['fieldId'] . "<br/>";
}
else if ($key == 'ethnicity')
foreach($item as $ethnicity){
echo $ethnicity['name'] . " " . $ethnicity['fieldId'] . "<br/>";
}
}