Getting random output json - php

Question

I trying to get a youtube channel banner from the youtube api.
But this is very weird.
I use this code:
$json1 = file_get_contents("http://gdata.youtube.com/feeds/api/partners/$channel/branding/default?key=[api-key]&alt=json");
$data1 = json_decode($json1, true);
$banner = $data1['entry']['yt$option'][15]['$t'];
echo $banner;
Now the weird thing, when i refresh te page i get everytime a new value. but sometimes it will stay one value and thats what i need but after some thime the value is changing...
This is the json code:
{
"version":"1.0",
"encoding":"UTF-8",
"entry":{
"xmlns":"http://www.w3.org/2005/Atom",
"xmlns$yt":"http://gdata.youtube.com/schemas/2007",
"id":{
"$t":"http://gdata.youtube.com/feeds/api/partners/rebasenetwork/branding/default"
},
"published":{
"$t":"2014-02-28T22:08:37.000Z"
},
"updated":{
"$t":"2014-02-28T22:08:37.000Z"
},
"category":[
{
"scheme":"http://schemas.google.com/g/2005#kind",
"term":"http://gdata.youtube.com/schemas/2007#branding"
}
],
"link":[
{
"rel":"self",
"type":"application/atom+xml",
"href":"http://gdata.youtube.com/feeds/api/partners/rebasenetwork/branding/default"
},
{
"rel":"edit",
"type":"application/atom+xml",
"href":"http://gdata.youtube.com/feeds/api/partners/rebasenetwork/branding/default"
}
],
"yt$option":[
{
"$t":"0",
"name":"channel.banner.image_height.int"
},
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_mobile_banner_hd.jpg?v=52d6ad2b",
"name":"channel.banner.mobile.hd.image.url"
},
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_tablet_banner.jpg?v=52d6ad2b",
"name":"channel.banner.tablet.medium.image.url"
},
{
"$t":"https://lh6.googleusercontent.com/-6xCc8OBY5Qk/UtatKX2WY3I/AAAAAAAAAAY/6-vpTOgd0yU/w854-fcrop64=1,00000000ffffffff/channels4_banner.jpg",
"name":"channel.banner.tv.low.image.url"
},
{
"$t":"https://lh6.googleusercontent.com/-6xCc8OBY5Qk/UtatKX2WY3I/AAAAAAAAAAY/6-vpTOgd0yU/w1280-fcrop64=1,00000000ffffffff/channels4_banner.jpg",
"name":"channel.banner.tv.medium.image.url"
},
{
"$t":"#000000",
"name":"channel.global.color"
},
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_banner.jpg?v=52d6ad2b",
"name":"channel.banner.image.url"
},
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_mobile_banner_low.jpg?v=52d6ad2b",
"name":"channel.banner.mobile.low.image.url"
},
{
"$t":"True",
"name":"channel.modules.show_comments.bool"
},
{
"$t":"https://lh6.googleusercontent.com/-6xCc8OBY5Qk/UtatKX2WY3I/AAAAAAAAAAY/6-vpTOgd0yU/w2120-fcrop64=1,00000000ffffffff/channels4_banner.jpg",
"name":"channel.banner.tv.image.url"
},
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_tablet_banner_hd.jpg?v=52d6ad2b",
"name":"channel.banner.tablet.hd.image.url"
},
{
"$t":"Welcome to our network Channel. We help Youtubers to earn money and grow with their channel. Being famous on youtube is one of the things you dream about, isn't it? Let us help make your dreams true!\n\nWith us you can choose your own partnership, You also select what you want to earn from your youtube channel! Are you ready to start growing? Partner Now!",
"name":"channel.global.description.string"
},
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_mobile_banner_medium_hd.jpg?v=52d6ad2b",
"name":"channel.banner.mobile.medium_hd.image.url"
},
{
"$t":"https://lh6.googleusercontent.com/-6xCc8OBY5Qk/UtatKX2WY3I/AAAAAAAAAAY/6-vpTOgd0yU/w1920-fcrop64=1,00000000ffffffff/channels4_banner.jpg",
"name":"channel.banner.tv.high.image.url"
},
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_mobile_banner.jpg?v=52d6ad2b",
"name":"channel.banner.mobile.medium.image.url"
},
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_mobile_banner.jpg?v=52d6ad2b",
"name":"channel.banner.mobile.image.url"
},
{
"$t":"True",
"name":"channel.related_channels.show.bool"
},
{
"$t":"KQvIpdiWrSI",
"name":"channel.unsubscribed_trailer.video_id.string"
},
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_tablet_banner_extra_hd.jpg?v=52d6ad2b",
"name":"channel.banner.tablet.extra_hd.image.url"
},
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_tablet_banner_low.jpg?v=52d6ad2b",
"name":"channel.banner.tablet.low.image.url"
},
{
"$t":"True",
"name":"channel.modules.moderate_comments.bool"
},
{
"$t":"Network partner partnership rebase network pewdiepie",
"name":"channel.global.keywords.string"
},
{
"$t":"Rebase Network",
"name":"channel.global.title.string"
},
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_mobile_banner_extra_hd.jpg?v=52d6ad2b",
"name":"channel.banner.mobile.extra_hd.image.url"
}
]
}
}
This is the one i need(just the url):
{
"$t":"http://i1.ytimg.com/u/Yd24MzwIk2gLiv79JNPGSA/channels4_tablet_banner_extra_hd.jpg?v=52d6ad2b",
"name":"channel.banner.tablet.extra_hd.image.url"
},
Can someone help me please? i really don't understand why it's changing the value every refresh..

Answer 1

You can loop through the results and print out the one where the name matches channel.banner.mobile.extra_hd.image.url
$data1 = json_decode($json1, true);
foreach ($data1['entry']['yt$option'] AS $banner) {
if ($banner['name'] == 'channel.banner.mobile.extra_hd.image.url') {
print $banner['$t'];
}
}