bumping guzzle version,adding user agent header to http client and be…

…tter debug control.

src/OwaClient.php

@@ -18,7 +18,8 @@ public function __construct( $config ) {
 			'instance_url'						=> '',
             'ns'								=> 'owa_',
             'endpoint'							=> 'api',
-            'credentials'						=> []
+            'credentials'						=> [],
+            'debug'								=> false
 		];
 
 		// override default config with config array passed in.
@@ -159,11 +160,14 @@ public function makeRequest( $params ) {
 
 	    $conf = [
 
-			'base_uri' => $this->getSetting('instance_url')
+			'base_uri' => $this->getSetting('instance_url'),
+
 		];
 
 	    $http = $this->getHttpClient( $conf );
 
+	    //$http->setUserAgent('OWA SDK Client', true);
+
 	    $uri = $this->getSetting('endpoint') . $params['uri'];
 
 	    $request_options = [];
@@ -183,7 +187,8 @@ public function makeRequest( $params ) {
 	    $request_options[ 'headers' ] = [
 
 		    'X-SIGNATURE' => $this->generateRequestSignature( $params, $credentials ),
-		    'X-API-KEY' => $credentials['api_key']
+		    'X-API-KEY' => $credentials['api_key'],
+		    'User-Agent' => 'OWA SDK Client'
 
 	    ];
 
@@ -222,12 +227,16 @@ public function makeRequest( $params ) {
 		    $this->last_response = $res ;
 
 		    $b =  $res->getBody();
-		    $b = json_decode( $b, true);
 
-		    if ( array_key_exists( 'data', $b ) ) {
+		    if ( $b ) {
 
-			    return $b['data'];
-		    }
+			    $b = json_decode( $b, true);
+
+			    if ( $b && array_key_exists( 'data', $b ) ) {
+
+				    return $b['data'];
+			    }
+			}
 	    }    
     }
 

src/sdk.php

@@ -13,6 +13,8 @@ class sdk {
 
 	private $config;
 
+	public static $inDebug;
+
 	public function __construct( $config = [] ) {
 
 		$this->config = $config;
@@ -22,6 +24,7 @@ public function __construct( $config = [] ) {
 			ini_set('display_errors', 1);
 			error_reporting( -1 );
 
+			self::$inDebug = true;
 
 		}
 	}
@@ -89,12 +92,15 @@ private function addToConfig( $service, $config ) {
 
 	static function debug( $msg ) {
 
-		if ( is_object( $msg ) || is_array( $msg ) ) {
+		if ( self::$inDebug ) {
+
+			if ( is_object( $msg ) || is_array( $msg ) ) {
+
+				$msg = print_r( $msg, true );
+			}
 
-			$msg = print_r( $msg, true );
+			error_log( $msg . "\n", 3, "./errors.log" );
 		}
-
-		error_log( $msg . "\n", 3, "./errors.log" );
 	}
 
 }