added ability to "extend" helpers

* modified Loader to check for prefixed helpers in application/helpers folder
* surrounded provided helper functions with if (! function_exists('foo')) conditionals so the user's helper functions take precedent.

1 files changed, 16 insertions, 11 deletions

diff --git a/system/helpers/array_helper.php b/system/helpers/array_helper.php
index 85d03794c..236e3904e 100644
--- a/system/helpers/array_helper.php
+++ b/system/helpers/array_helper.php
@@ -39,14 +39,17 @@
  * @param	mixed

  * @return	mixed	depends on what the array contains

  */	

-function element($item, $array, $default = FALSE)

+if (! function_exists('element'))

 {

-	if ( ! isset($array[$item]) OR $array[$item] == "")

+	function element($item, $array, $default = FALSE)

 	{

-		return $default;

-	}

+		if ( ! isset($array[$item]) OR $array[$item] == "")

+		{

+			return $default;

+		}

 

-	return $array[$item];

+		return $array[$item];

+	}	

 }

 

 // ------------------------------------------------------------------------

@@ -58,14 +61,16 @@ function element($item, $array, $default = FALSE)
  * @param	array

  * @return	mixed	depends on what the array contains

  */	

-function random_element($array)

+if (! function_exists('random_element'))

 {

-	if ( ! is_array($array))

+	function random_element($array)

 	{

-		return $array;

-	}

-	return $array[array_rand($array)];

+		if ( ! is_array($array))

+		{

+			return $array;

+		}

+		return $array[array_rand($array)];

+	}	

 }

 

-

 ?>
\ No newline at end of file