Minor PHP bindings updates needed for Mythweb metadata lookup.

Refs #9939 with a patch from Doug Haber.

Author: Robert McNamara

mythtv/bindings/php/MythBackend.php

@@ -212,15 +212,44 @@ public function rescheduleRecording($recordid = -1) {
         return false;
     }
 
+
+/**
+ * Request something from the backend's HTTP API and return it
+ * as JSON. This is just syntactic sugar for httpRequest
+/**/
+   public function httpRequestAsJson($path, $args = array(), $opts = null) {
+       if (!$opts) {
+           $opts = array();
+       }
+
+       if (!$opts['http']) {
+           $opts['http'] = array();
+       }
+
+       if (!$opts['http']['method']) {
+           $opts['http']['method'] = "GET";
+       }
+
+       $opts['http']['header'] = "Accept: application/json\r\n";
+       
+       return $this->httpRequest($path, $args, $opts);
+   }
+
 /**
  * Request something from the backend's HTTP API
 /**/
-    public function httpRequest($path, $args = array()) {
+    public function httpRequest($path, $args = array(), $opts = null) {
         $url = "http://{$this->ip}:{$this->port_http}/{$path}?";
         foreach ($args as $key => $value) {
             $url .= urlencode($key).'='.urlencode($value).'&';
         }
-        return @file_get_contents($url);
+
+        if (!$opts) {
+            return @file_get_contents($url);
+        } else {
+            $context = stream_context_create($opts);
+            return @file_get_contents($url, false, $context);
+        }
     }
 
 }