3 files changed, 45 insertions, 20 deletions
diff --git a/phpBB/includes/functions_messenger.php b/phpBB/includes/functions_messenger.php
index 7f8238e1bf..ec297b536a 100644
--- a/phpBB/includes/functions_messenger.php
+++ b/phpBB/includes/functions_messenger.php
@@ -1893,14 +1893,21 @@ function mail_encode($str, $eol = "\r\n")
 }
 
 /**
-* Wrapper for sending out emails with the PHP's mail function
-*/
+ * Wrapper for sending out emails with the PHP's mail function
+ */
 function phpbb_mail($to, $subject, $msg, $headers, $eol, &$err_msg)
 {
 	global $config, $phpbb_root_path, $phpEx;
 
-	// We use the EOL character for the OS here because the PHP mail function does not correctly transform line endings. On Windows SMTP is used (SMTP is \r\n), on UNIX a command is used...
-	// Reference: http://bugs.php.net/bug.php?id=15841
+	// Convert Numeric Character References to UTF-8 chars (ie. Emojis)
+	$subject = utf8_decode_ncr($subject);
+	$msg = utf8_decode_ncr($msg);
+
+	/**
+	 * We use the EOL character for the OS here because the PHP mail function does not correctly transform line endings.
+	 * On Windows SMTP is used (SMTP is \r\n), on UNIX a command is used...
+	 * Reference: http://bugs.php.net/bug.php?id=15841
+	 */
 	$headers = implode($eol, $headers);
 
 	if (!class_exists('\phpbb\error_collector'))
@@ -1911,10 +1918,14 @@ function phpbb_mail($to, $subject, $msg, $headers, $eol, &$err_msg)
 	$collector = new \phpbb\error_collector;
 	$collector->install();
 
-	// On some PHP Versions mail() *may* fail if there are newlines within the subject.
-	// Newlines are used as a delimiter for lines in mail_encode() according to RFC 2045 section 6.8.
-	// Because PHP can't decide what is wanted we revert back to the non-RFC-compliant way of separating by one space (Use '' as parameter to mail_encode() results in SPACE used)
+	/**
+	 * On some PHP Versions mail() *may* fail if there are newlines within the subject.
+	 * Newlines are used as a delimiter for lines in mail_encode() according to RFC 2045 section 6.8.
+	 * Because PHP can't decide what is wanted we revert back to the non-RFC-compliant way of separating by one space
+	 * (Use '' as parameter to mail_encode() results in SPACE used)
+	 */
 	$additional_parameters = $config['email_force_sender'] ? '-f' . $config['board_email'] : '';
+
 	$result = mail($to, mail_encode($subject, ''), wordwrap(utf8_wordwrap($msg), 997, "\n", true), $headers, $additional_parameters);
 
 	$collector->uninstall();
diff --git a/phpBB/includes/ucp/ucp_register.php b/phpBB/includes/ucp/ucp_register.php
index 0e673cb692..54e418d58c 100644
--- a/phpBB/includes/ucp/ucp_register.php
+++ b/phpBB/includes/ucp/ucp_register.php
@@ -45,6 +45,11 @@ class ucp_register
 		$change_lang	= $request->variable('change_lang', '');
 		$user_lang		= $request->variable('lang', $user->lang_name);
 
+		if ($agreed && !check_form_key('ucp_register'))
+		{
+			$agreed = false;
+		}
+
 		/**
 		* Add UCP register data before they are assigned to the template or submitted
 		*
@@ -67,14 +72,7 @@ class ucp_register
 		);
 		extract($phpbb_dispatcher->trigger_event('core.ucp_register_requests_after', compact($vars)));
 
-		if ($agreed)
-		{
-			add_form_key('ucp_register');
-		}
-		else
-		{
-			add_form_key('ucp_register_terms');
-		}
+		add_form_key('ucp_register');
 
 		if ($change_lang || $user_lang != $config['default_lang'])
 		{
diff --git a/phpBB/phpbb/textformatter/s9e/bbcode_merger.php b/phpBB/phpbb/textformatter/s9e/bbcode_merger.php
index a05ca3c2b8..264eb93782 100644
--- a/phpBB/phpbb/textformatter/s9e/bbcode_merger.php
+++ b/phpBB/phpbb/textformatter/s9e/bbcode_merger.php
@@ -50,7 +50,7 @@ class bbcode_merger
 		$with    = $this->create_bbcode($with);
 
 		// Select the appropriate strategy for merging this BBCode
-		if ($this->is_content_bbcode($without, $with))
+		if (!$this->is_optional_bbcode($without, $with) && $this->is_content_bbcode($without, $with))
 		{
 			$merged = $this->merge_content_bbcode($without, $with);
 		}
@@ -107,12 +107,12 @@ class bbcode_merger
 	/**
 	* Test whether the two definitions form a "content"-style BBCode
 	*
-	* Such BBCodes include the [URL] BBCode, which uses its text content as
+	* Such BBCodes include the [url] BBCode, which uses its text content as
 	* attribute if none is provided
 	*
 	* @param  array $without BBCode definition without an attribute
 	* @param  array $with    BBCode definition with an attribute
-	* @return array          Merged definition
+	* @return bool
 	*/
 	protected function is_content_bbcode(array $without, array $with)
 	{
@@ -123,6 +123,22 @@ class bbcode_merger
 	}
 
 	/**
+	* Test whether the two definitions form BBCode with an optional attribute
+	*
+	* @param  array $without BBCode definition without an attribute
+	* @param  array $with    BBCode definition with an attribute
+	* @return bool
+	*/
+	protected function is_optional_bbcode(array $without, array $with)
+	{
+		// Remove the default attribute from the definition
+		$with['usage'] = preg_replace('(=[^\\]]++)', '', $with['usage']);
+
+		// Test whether both definitions are the same, regardless of case
+		return strcasecmp($without['usage'], $with['usage']) === 0;
+	}
+
+	/**
 	* Merge the two BBCode definitions of a "content"-style BBCode
 	*
 	* @param  array $without BBCode definition without an attribute
@@ -131,7 +147,7 @@ class bbcode_merger
 	*/
 	protected function merge_content_bbcode(array $without, array $with)
 	{
-		// Convert [X={X}] into [X={X;useContent}]
+		// Convert [x={X}] into [x={X;useContent}]
 		$usage = preg_replace('(\\})', ';useContent}', $with['usage'], 1);
 
 		// Use the template from the definition that uses an attribute
@@ -143,7 +159,7 @@ class bbcode_merger
 	/**
 	* Merge the two BBCode definitions of a BBCode with an optional argument
 	*
-	* Such BBCodes include the [QUOTE] BBCode, which takes an optional argument
+	* Such BBCodes include the [quote] BBCode, which takes an optional argument
 	* but otherwise does not behave differently
 	*
 	* @param  array $without BBCode definition without an attribute