Added additional valid_params for postNotification method (#5)

* added new valid optional parameters for postNotification as well as sorting them for cleaner code

Author: ErikDohmen

src/OneSignalClient.php

@@ -152,66 +152,76 @@ public function postNotification($data = [], $app_id = '')
         $valid_params = [
             "app_id" => true,
             "contents" => true,
-            "headings" => false,
-            "isIos" => false,
-            "isAndroid" => false,
-            "isWP" => false,
-            "isWP_WNS" => false,
-            "isAdm" => false,
-            "isChrome" => false,
-            "isChromeWeb" => false,
-            "isSafari" => false,
-            "isAnyWeb" => false,
-            "included_segments" => false,
+            "adm_big_picture" => false,
+            "adm_group" => false,
+            "adm_group_message" => false,
+            "adm_large_icon" => false,
+            "adm_small_icon" => false,
+            "adm_sound" => false,
+            "amazon_background_data" => false,
+            "android_accent_color" => false,
+            "android_background_data" => false,
+            "android_background_layout" => false,
+            "android_channel_id" => false,
+            "android_group" => false,
+            "android_group_message" => false,
+            "android_led_color" => false,
+            "android_sound" => false,
+            "android_visibility" => false,
+            "apns_alert" => false,
+            "app_ids" => false,
+            "big_picture" => false,
+            "buttons" => false,
+            "chrome_big_picture" => false,
+            "chrome_icon" => false,
+            "chrome_web_icon" => false,
+            "chrome_web_image" => false,
+            "content_available" => false,
+            "data" => false,
+            "delayed_option" => false,
+            "delivery_time_of_day" => false,
             "excluded_segments" => false,
-            "include_player_ids" => false,
-            "include_ios_tokens" => false,
-            "include_android_reg_ids" => false,
-            "include_wp_uris" => false,
-            "include_wp_wns_uris" => false,
+            "existing_android_channel_id" => false,
+            "filters" => false,
+            "firefox_icon" => false,
+            "headings" => false,
             "include_amazon_reg_ids" => false,
+            "include_android_reg_ids" => false,
             "include_chrome_reg_ids" => false,
             "include_chrome_web_reg_ids" => false,
-            "app_ids" => false,
-            "tags" => false,
-            "filters" => false,
-            "ios_badgeType" => false,
+            "include_ios_tokens" => false,
+            "include_player_ids" => false,
+            "include_wp_uris" => false,
+            "include_wp_wns_uris" => false,
+            "included_segments" => false,
+            "ios_attachtments" => false,
             "ios_badgeCount" => false,
+            "ios_badgeType" => false,
+            "ios_category" => false,
             "ios_sound" => false,
-            "android_sound" => false,
-            "adm_sound" => false,
-            "wp_sound" => false,
-            "wp_wns_sound" => false,
-            "data" => false,
-            "buttons" => false,
-            "small_icon" => false,
+            "isAdm" => false,
+            "isAndroid" => false,
+            "isAnyWeb" => false,
+            "isChrome" => false,
+            "isChromeWeb" => false,
+            "isFirefox" => false,
+            "isIos" => false,
+            "isSafari" => false,
+            "isWP" => false,
+            "isWP_WNS" => false,
             "large_icon" => false,
-            "big_picture" => false,
-            "adm_small_icon" => false,
-            "adm_large_icon" => false,
-            "adm_big_picture" => false,
-            "chrome_icon" => false,
-            "chrome_big_picture" => false,
-            "chrome_web_icon" => false,
-            "firefox_icon" => false,
-            "url" => false,
+            "mutable_content" => false,
+            "priority" => false,
             "send_after" => false,
-            "delayed_option" => false,
-            "delivery_time_of_day" => false,
-            "android_led_color" => false,
-            "android_accent_color" => false,
-            "android_visibility" => false,
-            "content_available" => false,
-            "android_background_data" => false,
-            "amazon_background_data" => false,
+            "small_icon" => false,
+            "subtitle" => false,
+            "tags" => false,
             "template_id" => false,
-            "android_group" => false,
-            "android_group_message" => false,
-            "adm_group" => false,
-            "adm_group_message" => false,
             "ttl" => false,
-            "priority" => false,
-            "mutable_content" => false,
+            "url" => false,
+            "web_buttons"  => false,
+            "wp_sound" => false,
+            "wp_wns_sound" => false,
         ];
 
         // Void requirement of 'contents' if 'template_id' is set