I'm trying to create a very simple php script that can pull data from a JSON file (array?) and echo it to the page. Sadly, I'm a complete newbie when it comes to PHP.
My goal is to dump all IP addresses and the corresponding client version into an output like this...
"127.0.0.1" "/Satoshi:0.9.1/"
"127.0.0.2" "/Satoshi:0.9.0/"
"127.0.0.3" "/Satoshi:0.9.0/"
"127.0.0.4" "/Satoshi:0.9.1/"
I can get the code to dump all data, but I'm not sure how to pull the ip and version without the ip and client version being named.. If that even makes sense?
Here is the code. What do I need to make it dump the correct data?
<?php
$url = 'https://getaddr.bitnodes.io/nodes/1407675714.json';
$JSON = file_get_contents($url);
echo $JSON;
$data = json_decode($JSON);
var_dump($data);
?>
Thanks for your help!
Something like
<?php
$url = 'https://getaddr.bitnodes.io/nodes/1407675714.json';
$JSON = file_get_contents($url);
$data = json_decode($JSON);
$data = (array)$data; // cast from stdClass to array, as results have int keys
foreach($data['nodes'] as $results){
echo $results[0]. " ". $results[3]."<br />";
}
?>
It doesn't makes much sense to convert an array of hashes into the one of some non-named entities. I guess that all you need is to dump it in the following way:
foreach($data as $t)
{
echo("ip=".$t->ip." ua=".$t->ua);
}
I don't think there is any reason to cast to an array. Just process the returned object. This one has the double quotes as requested as well.
<?php
$url = 'https://getaddr.bitnodes.io/nodes/1407675714.json';
$json = file_get_contents($url);
$data = json_decode($json);
foreach($data->nodes as $results){
echo "\"".$results[0]."\" \"".$results[3]."\"<br />";
}
?>
Related
I'm looking to get some input on how to make modular code that performs a PHP parse_ini_file and then uses the returned values to run JSON decodes.
I have a BACnet API that returns a JSON structure for BACnet points in an automation system. I wrote the following code to decode the JSON data to return just the "present-value" field and then I display the value on a webpage.
<?php
$url = "http://hostname.lcl:47800/api/v1/bacnet/devices/10100/objects/0.0";
$json = file_get_contents($url);
$json_data = json_decode($json, true);
echo "<b>Room temperature</b>: ". $json_data["present-value"]. " DEG F";
;?>
This works well but I want to make this code modular so it can be used for many other points.
I created an INI file with a list of other points and the URL that contains the JSON data from the API.
## BACnet Configuration File
# BACnet Object URLs from WACNET Browser API
[bacnet]
SEA_RMT = http://hostname.lcl:47800/api/v1/bacnet/devices/10100/objects/0.0
SEA_SRV_SEA_SV1_01_EXHT = http://hostname.lcl:47800/api/v1/bacnet/devices/10100/objects/0.3
SEA_SRV_SEA_SV1_02_EXHT = http://hostname.lcl:47800/api/v1/bacnet/devices/10100/objects/0.4
SEA_SRV_SEA_SV1_03_EXHT = http://hostname.lcl:47800/api/v1/bacnet/devices/10100/objects/0.5
What I'd like to do is use the INI file to get the present value of each point in the list and then create a variable that is the name of the point and set it equal to the "present-value" field. Then I can reference the point using the PHP variable on the HTML page like this:
<?php echo "$SEA_SRV_SEA_SV1_01_EXHT";?>
I started with the code below but it doesn't work.
<?php
// Parse the settings file
$bacnetini = parse_ini_file('/var/www/config/bacnet.ini');
// Parse the keys to variables and add data
foreach ($bacnetini as $key => $value) {
$url = $value;
$json = file_get_contents($url);
$json_data = json_decode($json, true);
$$key = $json_data;
}
?>
I'd love to get some other opinions on the best way to accomplish this since I don't really know where to go from here.
I've looked through these other Stack Overflow questions but I don't know how to get the pieces to all fit together.
Parsing a config file in php to variables
Get JSON object from URL
Why not try something like this instead? This will allow you to create other sections in your INI file that won't affect your script.
<?php
$bacnetini = parse_ini_file('/var/www/config/bacnet.ini', true);
$data = array();
foreach ($bacnetini['bacnet'] as $key => $url) {
$data[$key] = json_decode(file_get_contents($url), true);
}
var_dump($data['SEA_SRV_SEA_SV1_01_EXHT']);
?>
I have the following code below, which I am trying to run to save the key in the json to a PHP varible. However, for some reason it's just not doing anything - although it seems my code is right, any ideas where I am going wrong?
<?php
$json = file_get_contents('url');
$data = json_decode($json,true);
$id = $data['s_id'];
echo($id);
?>
and the json from the external URL looks like this
[{"s_id":"20063"}]
You have an array wrapping the object
$id = $data[0]['s_id'];
I have a json string sent from html...
[{"user_id":"test_123"},{"id":"wallName","value":"","type":"text"},{"id":"wallLength","value":"","type":"text"}]
I want to retrieve the "user_id":"test_123" and then from that create a folder named test_123, maybe even a matching file named test_123. I'm thinking I need to convert the json file to an array, get the user_id value and convert that back to a string? Does that make sense or am I over complicating this? I'm new to php so that might very well be the case.
Here's my php code...
<?php
$json=$_POST[json];
$decodedText=html_entity_decode($json);
$myArray = json_decode($json, true);
if (json_decode($json) != null){
$file=fopen('user_data.json','w+');
fwrite($file, $json);
fclose($file);
}else{
echo "empty";
}
?>
When I try to access $myArray it doesn't work.
you can get user_id using $myArray[0]['user_id'];
http://www.instamapper.com/api?action=getPositions&key=584014439054448247&num=10&format=json
is the url, which contains json data. I want to use that data and send SMS to a particular phone no if value of latitude and longitude(Extracted from JSON).
Check constraints, we can use through php. But the main problem is How to extract data from JSON file?
I don't want to give you the solution, so the below should be enough to get you started.
Read in the JSON data using file_get_contents
Parse the JSON string into a PHP object using json_decode
Your code should look something like this:
$url = "http://www.instamapper.com/api?action=getPositions&key=584014439054448247&num=10&format=json";
$contents = file_get_contents($url);
$jsonObj = json_decode($contents);
You mean something like this?
<?php
$jsonurl = "http://search.twitter.com/trends.json";
$json = file_get_contents($jsonurl,0,null,null);
$json_output = json_decode($json);
foreach ( $json_output->trends as $trend )
{
echo "{$trend->name}\n";
}
How to transfer json data to html with php?
$url="http://api.nytimes.com/svc/search/v1/article?format=json&query=usa&rank=newest&api-key=mykey"
when I type the url in browser, it return
{"offset" : "0" , "results" : [{"body" : "A guide to cultural and recreational goings-on in and around the Hudson Valley. ...}]}
how to put the json body data into html? I mean like this echo '<div class="body"></div>';
You first need to get the file. You should use curl for this. In the example below I used the file_get_contents() function, you might want to replace it. Use json_decode() to parse the JSON for you.
$json = file_get_contents($url);
$data = json_decode($json);
echo $data->results[0]->body;
This will echo A guide to cultural....
Use json_decode() on the content of the file, which you can retrieve with file_get_contents($url), then you have an array you can use to build the HTML.
$url="http://api.nytimes.com/svc/search/v1/article?format=json&query=usa&rank=newest&api-key=mykey";
$dataRaw = file_get_contents($url);
if ($dataRaw) {
$data = json_decode($dataRaw, true);
foreach ($data['results'] as $cEntry) {
?>
<div class="body">
<?php echo $cEntry['body']; ?>
</div>
<?php
}
}
I'm not sure why you would, but assuming fopen() URL opening is enabled, you could do...
echo file_get_contents($url);
like this ?
<?php
$url="http://api.nytimes.com/svc/search/v1/article?format=json&query=usa&rank=newest&api-key=mykey";
$json = file_get_contents($url);
echo $json;
Once you've loaded a JSON string into PHP, you can then convert it into a PHP array by using the function json_decode(). You can then print the appropriate array element into your HTML output as with any other PHP variable.
Try this:
$jsonDecoded = json_decode($yourJsonEncodedData);
echo $jsonDecoded->results->body;