From f82299b8e445cccfc8bad8cbe6505f3fb50d0f8f Mon Sep 17 00:00:00 2001
From: Tristan Darricau <github@nicofuma.fr>
Date: Fri, 6 Jan 2017 19:52:17 +0100
Subject: [ticket/14962] Introduces a new helper to check emptyness of bbcode
 texts

PHPBB3-14962
---
 phpBB/phpbb/textformatter/s9e/utils.php       | 13 +++++++++++++
 phpBB/phpbb/textformatter/utils_interface.php | 18 +++++++++++++-----
 2 files changed, 26 insertions(+), 5 deletions(-)

(limited to 'phpBB/phpbb')

diff --git a/phpBB/phpbb/textformatter/s9e/utils.php b/phpBB/phpbb/textformatter/s9e/utils.php
index b317fe4a8d..a9a6d4b892 100644
--- a/phpBB/phpbb/textformatter/s9e/utils.php
+++ b/phpBB/phpbb/textformatter/s9e/utils.php
@@ -136,4 +136,17 @@ class utils implements \phpbb\textformatter\utils_interface
 	{
 		return \s9e\TextFormatter\Unparser::unparse($xml);
 	}
+
+	/**
+	 * {@inheritdoc}
+	 */
+	public function is_empty($text)
+	{
+		if ($text === null || $text === '')
+		{
+			return true;
+		}
+
+		return trim($this->unparse($text)) === '';
+	}
 }
diff --git a/phpBB/phpbb/textformatter/utils_interface.php b/phpBB/phpbb/textformatter/utils_interface.php
index 4810453cd1..4b7392976a 100644
--- a/phpBB/phpbb/textformatter/utils_interface.php
+++ b/phpBB/phpbb/textformatter/utils_interface.php
@@ -62,10 +62,18 @@ interface utils_interface
 	public function remove_bbcode($text, $bbcode_name, $depth = 0);
 
 	/**
-	* Return a parsed text to its original form
-	*
-	* @param  string $text Parsed text
-	* @return string       Original plain text
-	*/
+	 * Return a parsed text to its original form
+	 *
+	 * @param  string $text Parsed text
+	 * @return string       Original plain text
+	 */
 	public function unparse($text);
+
+	/**
+	 * Return whether or not a parsed text represent an empty text.
+	 *
+	 * @param  string $text Parsed text
+	 * @return bool         Tue if the original text is empty
+	 */
+	public function is_empty($text);
 }
-- 
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