up vote 2 down vote favorite

I have a json string like this:

$fields_string = '
{"fields":
   {"customers":[{"name":"john","id":"d1"},
                 {"name":"mike","id":"d2"},
                 {"name":"andrew","id":"d3"},
                 {"name":"peter","id":"d4"}]
   }
}'

How can I print each name? I will use them later in a html select options, I know how to do that. But I couldn't get the string out. Here are something I tried:

$obj = json_decode($fields_string);
$fields_detail = $obj-?{"fields"}->{"customers"};

at this point, I am able to print the customer array out by echo json_encode($fields_detail), but before that, I want to get the name break down using foreach. I tried several times, it didn't work. Can anyone help please.

Thanks!

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You want to get what? How did you try? How did it not work? – Jon Feb 21 at 11:18

4 Answers

up vote 4 down vote accepted

Customers is an array of objects so iterating over each object and reading the property should work.

foreach ($fields_detail as $customer) {
  echo $customer->name;
}
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@koopajah you missed the second fragment of code phpfiddle.org/lite/code/xr4-8tz – Maks3w Feb 21 at 11:26
I see what I have done wrong. This is just it. Thank you very much! – the_summer_bee Feb 21 at 11:43
up vote 2 down vote

Something like this:

$data = json_decode($fields_string, true); // return array not object
foreach($data['fields']['customers'] as $key => $customer) {
 echo $customer['name']; 
}
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up vote 0 down vote 
foreach($obj->fields->customers as $fields)
echo $fields->name;
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up vote 0 down vote

Access the names via fields->customers:

$obj = json_decode($fields_string);

foreach($obj->fields->customers as $customer)
{
    echo $customer->name . "\n";
}

Demo

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