PHP foreach on nested array - php

Question

I am doing a GET php function on a URL and I get back the resulting response in JSON:
{
"results": [{
"text": "The 2014 BICSI Canadian Conference and Exhibition in Vancouver, British Columbia, Canada is 61 days away on April 27 - 30.",
"createdAt": "2014-02- 24T19:54:08.707Z",
"updatedAt": "2014-02-24T19:54:08.707Z",
"objectId": "ZZrZ9OgyRG"
}, {
"text": "Only 33 more days fro the 2014 BICSI Canadian Conference and Exhibition in Vancouver, Canada!",
"createdAt": "2014-03-24T13:23:56.240Z",
"updatedAt": "2014-03-24T13:23:56.240Z",
"objectId": "ZqxJRiHoJo"
}]
}
I am able to do php json_decode and display the results below on a web page like below
text | The 2014 BICSI Canadian Conference and Exhibition in Vancouver, British Columbia, Canada is 61 days away on April 27 - 30.
createdAt | 2014-02-24T19:54:08.707Z
updatedAt | 2014-02-24T19:54:08.707Z
objectId | ZZrZ9OgyRG
text | Only 33 more days fro the 2014 BICSI Canadian Conference and Exhibition in Vancouver, Canada!
createdAt | 2014-03-24T13:23:56.240Z
updatedAt | 2014-03-24T13:23:56.240Z
objectId | ZqxJRiHoJo
The php code I used to display the results above on the web page is:
$returned_content = get_data('https://api.parse.com/1/classes/Alerts');
$data = json_decode($returned_content, true);
foreach ($data as $array1 => $arrayn) {
foreach ($arrayn as $k => $v) {
foreach ($v as $t => $s) {
echo"<p> $t | $s ";
}
}
}
If I just wanted to display the 'text' key/value info only on the web page, how should I modify the php. Meaning all I want to see displayed on the web page is:
text | The 2014 BICSI Canadian Conference and Exhibition in Vancouver, British Columbia, Canada is 61 days away on April 27 – 30.
text | Only 33 more days fro the 2014 BICSI Canadian Conference and Exhibition in Vancouver, Canada!

Answer 1

$data = json_decode($json);
foreach ($data->results as $item) {
echo '<br>text | '.$item->text;
}
If you don't add the second json_decode() paremeter, you can just use your JSON with the StdClass.

Answer 2

Wrap it inside a simple if condition.
foreach ($data as $array1 => $arrayn) {
foreach($arrayn as $k => $v) {
foreach ($v as $t => $s) {
if($t == 'text') {
echo"<p> $t | $s ";
}
}
}
}

Answer 3

do like this
$returned_content = get_data('https://api.parse.com/1/classes/Alerts');
$data = json_decode($returned_content, true);
foreach ($data as $array1 => $arrayn) {
foreach($arrayn as $k => $v){
foreach ($v as $t => $s)
{
if($t == "text")
echo"<p> $t | $s ";
}
}
}

Answer 4

After this line :
$data = json_decode($returned_content, true);
You have an associative array, so you can change your loop to :
foreach ($data as $array1 => $arrayn) {
foreach($arrayn as $k => $v) {
foreach ($v as $t => $s) {
if('text' === $t) {
echo"<p> $t | $s ";
}
}
}
}

Answer 5

Make it simple and with a check if the key exists, just in case the JSON does not contain the key "text" it will return notice.
$data = json_decode($str,true);
foreach($data["results"] as $key=>$val){
if(array_key_exists("text",$val)){
echo 'text | '.$val["text"];
echo '<br />';
}
}
Here $str is your json string.