From 78229b9a656ad48e00b716e70480d5c6745f7165 Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Tue, 1 Aug 2006 07:26:41 +0000
Subject: [PATCH] Added Functions->array_strip_empty()

---
 dev/changes.txt |  1 +
 functions.php   | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/dev/changes.txt b/dev/changes.txt
index 4be5264..0cedda6 100644
--- a/dev/changes.txt
+++ b/dev/changes.txt
@@ -8,6 +8,7 @@
 - Added a parameter in API->delete() to optionally stop the running of API->set_existing() [api.php]
 - Changed some of the API error messages to reflect what actually caused the error [api.php]
 - Made the Printer->row_text() colspan parameter work more normally [printer.php]
+- Added Functions->array_strip_empty() to strip empty and null elements from a given array [functions.php]
 
 2.0.0
 ===============
diff --git a/functions.php b/functions.php
index 380afaa..c1b5bee 100644
--- a/functions.php
+++ b/functions.php
@@ -632,6 +632,33 @@ class Functions
 		$text = str_replace("\n", $convert_to, $text);
 		return $text;
 	}
+	
+	// ###################################################################
+	/**
+	* Removes all empty() [by PHP's standards] elements in an array. This
+	* can be used in place of using PREG_SPLIT_NO_EMPTY.
+	*
+	* @access	public
+	*
+	* @param	array	An array to strip empties from
+	*
+	* @return	array	Full-valued array
+	*/
+	function array_strip_empty($array)
+	{
+		foreach ($array AS $key => $value)
+		{
+			if (is_array($array["$key"]))
+			{
+				$array["$key"] = $this->array_strip_empty($array["$key"]);
+			}
+			else if (empty($value) OR is_null($value))
+			{
+				unset($array["$key"]);
+			}
+		}
+		return $array;
+	}
 }
 
 /*=====================================================================*\
-- 
2.22.5