Count specific elements of an array in php -

i count specific elements ('host_name') of array.

my function decoding json file , returning array.

file.json

{     "href": "https://webservice:8080",     "items": [         {             "hosts": {                 "cluster_name": "cluster1",                 "host_name": "server1"             },             "href": "https://server1:8080"         },         {             "hosts": {                 "cluster_name": "cluster1",                 "host_name": "server2"             },             "href": "https://server2:8080"         },         {             "hosts": {                 "cluster_name": "cluster1",                 "host_name": "server3"             },             "href": "https://server3:8080"         }     ] } 

my php page decode json file :

functions.php

function test($clustername) { $content = file_get_contents($clustername.".json");                 $content = utf8_encode($content);                 $result = json_decode($content, true);                  return  $result; } 

and page i'd display number of host names :

page.php

$result = test("mycluster"); echo "<p>".count($result['hosts']['host_name'])."</p>"; 

but have undefined index 'hosts' when this. tried things, can tell array there (print_r shows it), can't count elements of it.

thanks

you have count elemets of "items".

echo "<p>".count($result['items'])."</p>";