- Fixes issue with ucwords() function on older PHP versions

- Updates Supervisor/Daemon to strip port from site_url() when it's
  running on localhost inside a virtual machine :)

lib/Config/PublicAPI.php

@@ -2,6 +2,7 @@
 namespace MailPoet\Config;
 
 use MailPoet\Queue\Daemon;
+use MailPoet\Util\Helpers;
 
 if(!defined('ABSPATH')) exit;
 
@@ -11,7 +12,7 @@ class PublicAPI {
     $this->api = isset($_GET['mailpoet-api']) ? true : false;
     $this->section = isset($_GET['section']) ? $_GET['section'] : false;
     $this->action = isset($_GET['action']) ?
-      str_replace('_', '', lcfirst(ucwords($_GET['action'], '_'))) :
+      Helpers::underscoreToCamelCase($_GET['action']) :
       false;
     $this->payload = isset($_GET['payload']) ?
       json_decode(urldecode($_GET['payload']), true) :

lib/Queue/Daemon.php

@@ -85,7 +85,7 @@ class Daemon {
       'user-agent' => 'MailPoet (www.mailpoet.com)'
     );
     wp_remote_get(
-      site_url() .
+      Supervisor::getSiteUrl() .
       '/?mailpoet-api&section=queue&action=run&payload=' . urlencode($payload),
       $args
     );

lib/Queue/Supervisor.php

@@ -52,7 +52,7 @@ class Supervisor {
       )
     );
     wp_remote_get(
-      site_url() .
+      self::getSiteUrl() .
       '/?mailpoet-api&section=queue&action=start&payload=' .
       urlencode($payload),
       $args
@@ -87,4 +87,13 @@ class Supervisor {
       throw new \Exception('Database has not been configured.');
     }
   }
+
+  static function getSiteUrl() {
+    if(!preg_match('!:/!', site_url())) return site_url();
+    preg_match('!http://(?P<host>.*?):(?P<port>\d+)!', site_url(), $server);
+    $fp = fsockopen($server['host'], $server['port'], $errno, $errstr, 1);
+    return ($fp) ?
+      site_url() :
+      preg_replace('/(?=:\d+):\d+/', '$1', site_url());
+  }
 }

lib/Util/Helpers.php

@@ -76,12 +76,18 @@ class Helpers {
   static function getMaxPostSize($bytes = false) {
     $maxPostSize = ini_get('post_max_size');
     if(!$bytes) return $maxPostSize;
-    switch (substr ($maxPostSize, -1))
-    {
-      case 'M': case 'm': return (int)$maxPostSize * 1048576;
-      case 'K': case 'k': return (int)$maxPostSize * 1024;
-      case 'G': case 'g': return (int)$maxPostSize * 1073741824;
-      default: return $maxPostSize;
+    switch (substr($maxPostSize, -1)) {
+      case 'M':
+      case 'm':
+        return (int) $maxPostSize * 1048576;
+      case 'K':
+      case 'k':
+        return (int) $maxPostSize * 1024;
+      case 'G':
+      case 'g':
+        return (int) $maxPostSize * 1073741824;
+      default:
+        return $maxPostSize;
     }
   }
 
@@ -164,4 +170,12 @@ class Helpers {
     }
     return $resultArray;
   }
+
+  static function underscoreToCamelCase($str, $capitalise_first_char = false) {
+    if($capitalise_first_char) {
+      $str[0] = strtoupper($str[0]);
+    }
+    $func = create_function('$c', 'return strtoupper($c[1]);');
+    return preg_replace_callback('/_([a-z])/', $func, $str);
+  }
 }