<?php
    define("APIURI", "https://api.eze.io/v1/syslog");
 
    // API keyID and key needs to be set up in eze.io under Groups->API.
    define("APIKeyID", "00000");
    define("APIKey", "12345abcde12345abcde12345abcdeff");
 
    $params = array(
        "ABC000",               // ezeio serial
        "from=2021-11-01",      // start of data
        "to=2021-11-10",        // end of data
        "fields=1,12,cRSSI",    // list of fields we care about
        "1h",                   // 1h interval data..
        "mean"                  // ..as averages
    );
 
    // Set up cURL
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, APIURI."/".implode("/", $params));
 
    // All API calls use Digest AUTH
    curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);        
    curl_setopt($ch, CURLOPT_USERPWD, APIKeyID.":".APIKey);
 
    // Set a 5s timeout, return any received data, ignore ssl errors
    curl_setopt($ch, CURLOPT_TIMEOUT, 5);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); 
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
 
    // Execute the cURL request
    $response = curl_exec($ch);
    if(curl_errno($ch))         // if there's an error..
        die(curl_error($ch));   // quit and show what the problem is
    curl_close($ch);
 
    // Decode the json reply into an associative array
    $json = json_decode( $response, TRUE );                     
 
    // Show what we received
    print_r($json);