From fdeb756e15f730a3dfd2a6f52a4503a30ab59860 Mon Sep 17 00:00:00 2001
From: Olav Morken <olav.morken@uninett.no>
Date: Thu, 7 Feb 2008 14:57:22 +0000
Subject: [PATCH] Utilities: Added transposeArray-function.
git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@261 44740490-163a-0410-bde0-09ae8108e29a
---
lib/SimpleSAML/Utilities.php | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/lib/SimpleSAML/Utilities.php b/lib/SimpleSAML/Utilities.php
index 068428bb9..938a06d47 100644
--- a/lib/SimpleSAML/Utilities.php
+++ b/lib/SimpleSAML/Utilities.php
@@ -410,6 +410,34 @@ class SimpleSAML_Utilities {
/* End script execution. */
exit;
}
+
+
+ /**
+ * This function transposes a two-dimensional array, so that
+ * $a['k1']['k2'] becomes $a['k2']['k1'].
+ *
+ * @param $in Input two-dimensional array.
+ * @return The transposed array.
+ */
+ public static function transposeArray($in) {
+ assert('is_array($in)');
+
+ $ret = array();
+
+ foreach($in as $k1 => $a2) {
+ assert('is_array($a2)');
+
+ foreach($a2 as $k2 => $v) {
+ if(!array_key_exists($k2, $ret)) {
+ $ret[$k2] = array();
+ }
+
+ $ret[$k2][$k1] = $v;
+ }
+ }
+
+ return $ret;
+ }
}
?>
\ No newline at end of file
--
GitLab