From fe766c9622e119e106c71adbe697f6b0efec9275 Mon Sep 17 00:00:00 2001
From: Olav Morken <olav.morken@uninett.no>
Date: Thu, 28 Feb 2008 09:46:04 +0000
Subject: [PATCH] Utilities: added getDOMText helper function.
git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@331 44740490-163a-0410-bde0-09ae8108e29a
---
lib/SimpleSAML/Utilities.php | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/lib/SimpleSAML/Utilities.php b/lib/SimpleSAML/Utilities.php
index a1aaf897f..b0a45d44a 100644
--- a/lib/SimpleSAML/Utilities.php
+++ b/lib/SimpleSAML/Utilities.php
@@ -595,6 +595,32 @@ class SimpleSAML_Utilities {
return $ret;
}
+
+ /**
+ * This function extracts the text from DOMElements which should contain
+ * only text content.
+ *
+ * @param $element The element we should extract text from.
+ * @return The text content of the element.
+ */
+ public static function getDOMText($element) {
+ assert('$element instanceof DOMElement');
+
+ $txt = '';
+
+ for($i = 0; $i < $element->childNodes->length; $i++) {
+ $child = $element->childNodes->item($i);
+ if(!($child instanceof DOMText)) {
+ throw new Exception($element->localName . ' contained a non-text child node.');
+ }
+
+ $txt .= $child->wholeText;
+ }
+
+ $txt = trim($txt);
+ return $txt;
+ }
+
}
?>
\ No newline at end of file
--
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