amazon web services - Different output in AWS PHP SDK than in AWSCLI -

the primary goal i'm trying achieve iterate on running ec2 instances in php.

it's easy data using bash script, shown below:

bash script:

#!/bin/bash export aws_access_key_id="akidexample" export aws_secret_access_key="wjalrxutnfemi/k7mdeng+bpxrficyexamplekey" aws ec2 describe-instances --region="eu-west-1" --filter "name=instance-state-name,values=running" 

bash output:

{     "reservations": [         {             "ownerid": "58728357357",             "reservationid": "r-0e0283649826935",             "instances": [                 {                     "securitygroups": [                         {                             "groupid": "sg-2fe333148",                             "groupname": "web"                         }                     ],                     "publicdnsname": "ec2-53-13-121-72.eu-west-1.compute.amazonaws.com",                     "architecture": "x86_64",                     "launchtime": "2016-07-11t08:28:23.000z",                     "rootdevicename": "/dev/sda1",                     "blockdevicemappings": [                         {                             "ebs": {              // ...          }     ] } 

however, when try following example, using same keys, presented seems unusable object - or @ least object looks representing empty data structure.

php file:

<?php require __dir__ . "/vendor/autoload.php";  $settings = [     "version" => "latest",     "region" => "eu-west-1",     "credentials" => [         "key" => "akidexample",         "secret" => "wjalrxutnfemi/k7mdeng+bpxrficyexamplekey",     ], ];  $client = new \aws\ec2\ec2client($settings); $result = $client->describeinstances([     "filters" => [         [             "name" => "instance-state-name",             "value" => "running",         ]     ], ]);  var_dump($result); 

php output:

what hell meant aws\result?

class aws\result#82 (1) {   private $data =>   array(2) {     'reservations' =>     array(0) {     }     '@metadata' =>     array(4) {       'statuscode' =>       int(200)       'effectiveuri' =>       string(35) "https://ec2.eu-west-1.amazonaws.com"       'headers' =>       array(5) {         ...       }       'transferstats' =>       array(1) {         ...       }     }   } } 

am missing in php configuration? please can point me in right direction?

p.s. i've masked api keys in above examples.

ec2::describeinstances takes array of filters, each of has string name , array of string values. in cli example, you've supplied values, whereas in php example you've supplied value instead. field not recognized sdk , ignored. see the sdk api docs more information.

your php should updated read:

<?php require __dir__ . "/vendor/autoload.php";  $settings = [     "version" => "latest",     "region" => "eu-west-1",     "credentials" => [         "key" => "akidexample",         "secret" => "wjalrxutnfemi/k7mdeng+bpxrficyexamplekey",     ], ];  $client = new \aws\ec2\ec2client($settings); $result = $client->describeinstances([     "filters" => [         [             "name" => "instance-state-name",             "values" => ["running"],         ]     ], ]);  var_dump($result);