namespace/tagname validation fixes (Adam Trachtenberg)

added new test

6 files changed, 489 insertions, 47 deletions

diff --git a/ext/dom/document.c b/ext/dom/document.c
index 5dbfaa8f3c..0a2fbfa7be 100644
--- a/ext/dom/document.c
+++ b/ext/dom/document.c
@@ -759,8 +759,8 @@ PHP_FUNCTION(dom_document_create_element)
 
 	DOM_GET_OBJ(docp, id, xmlDocPtr, intern);
 
-	if (name_len == 0) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Element name is required");
+	if (xmlValidateName((xmlChar *) name, 0) != 0) {
+		php_dom_throw_error(INVALID_CHARACTER_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
 		RETURN_FALSE;
 	}
 
@@ -908,6 +908,11 @@ PHP_FUNCTION(dom_document_create_processing_instruction)
 
 	DOM_GET_OBJ(docp, id, xmlDocPtr, intern);
 
+	if (xmlValidateName((xmlChar *) name, 0) != 0) {
+		php_dom_throw_error(INVALID_CHARACTER_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
+		RETURN_FALSE;
+	}
+
 	node = xmlNewPI((xmlChar *) name, (xmlChar *) value);
 	if (!node) {
 		RETURN_FALSE;
@@ -939,8 +944,8 @@ PHP_FUNCTION(dom_document_create_attribute)
 
 	DOM_GET_OBJ(docp, id, xmlDocPtr, intern);
 
-	if (name_len == 0) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Attribute name is required");
+	if (xmlValidateName((xmlChar *) name, 0) != 0) {
+		php_dom_throw_error(INVALID_CHARACTER_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
 		RETURN_FALSE;
 	}
 
@@ -974,6 +979,11 @@ PHP_FUNCTION(dom_document_create_entity_reference)
 
 	DOM_GET_OBJ(docp, id, xmlDocPtr, intern);
 
+	if (xmlValidateName((xmlChar *) name, 0) != 0) {
+		php_dom_throw_error(INVALID_CHARACTER_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
+		RETURN_FALSE;
+	}
+
 	node = xmlNewReference(docp, name);
 	if (!node) {
 		RETURN_FALSE;
@@ -1073,23 +1083,22 @@ PHP_FUNCTION(dom_document_create_element_ns)
 		return;
 	}
 
-	if (name_len == 0) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Element Name is required");
-		RETURN_FALSE;
-	}
-
 	DOM_GET_OBJ(docp, id, xmlDocPtr, intern);
 
 	errorcode = dom_check_qname(name, &localname, &prefix, uri_len, name_len);
 
 	if (errorcode == 0) {
-		nodep = xmlNewDocNode (docp, NULL, localname, NULL);
-		if (nodep != NULL && uri != NULL) {
-			nsptr = xmlSearchNsByHref (nodep->doc, nodep, uri);
-			if (nsptr == NULL) {
-				nsptr = dom_get_ns(nodep, uri, &errorcode, prefix);
+		if (xmlValidateName((xmlChar *) localname, 0) == 0) {
+			nodep = xmlNewDocNode (docp, NULL, localname, NULL);
+			if (nodep != NULL && uri != NULL) {
+				nsptr = xmlSearchNsByHref (nodep->doc, nodep, uri);
+				if (nsptr == NULL) {
+					nsptr = dom_get_ns(nodep, uri, &errorcode, prefix);
+				}
+				xmlSetNs(nodep, nsptr);
 			}
-			xmlSetNs(nodep, nsptr);
+		} else {
+			errorcode = INVALID_CHARACTER_ERR;
 		}
 	}
 
@@ -1138,24 +1147,23 @@ PHP_FUNCTION(dom_document_create_attribute_ns)
 		return;
 	}
 
-	if (name_len == 0) {
-		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Qualified Name is required");
-		RETURN_FALSE;
-	}
-
 	DOM_GET_OBJ(docp, id, xmlDocPtr, intern);
 
 	root = xmlDocGetRootElement(docp);
 	if (root != NULL) {
 		errorcode = dom_check_qname(name, &localname, &prefix, uri_len, name_len);
 		if (errorcode == 0) {
-			nodep = (xmlNodePtr) xmlNewDocProp(docp, localname, NULL);
-			if (nodep != NULL && uri_len > 0) {
-				nsptr = xmlSearchNsByHref (nodep->doc, root, uri);
-				if (nsptr == NULL) {
-					nsptr = dom_get_ns(root, uri, &errorcode, prefix);
+			if (xmlValidateName((xmlChar *) localname, 0) == 0) {
+				nodep = (xmlNodePtr) xmlNewDocProp(docp, localname, NULL);
+				if (nodep != NULL && uri_len > 0) {
+					nsptr = xmlSearchNsByHref (nodep->doc, root, uri);
+					if (nsptr == NULL) {
+						nsptr = dom_get_ns(root, uri, &errorcode, prefix);
+					}
+					xmlSetNs(nodep, nsptr);
 				}
-				xmlSetNs(nodep, nsptr);
+			} else {
+				errorcode = INVALID_CHARACTER_ERR;
 			}
 		}
 	} else {
diff --git a/ext/dom/element.c b/ext/dom/element.c
index c817a3c01e..57ad3003e7 100644
--- a/ext/dom/element.c
+++ b/ext/dom/element.c
@@ -58,7 +58,7 @@ zend_function_entry php_dom_element_class_functions[] = {
 	{NULL, NULL, NULL}
 };
 
-/* {{{ proto void DomElement::__construct(string name, [string value]); */
+/* {{{ proto void DomElement::__construct(string name, [string value], [string uri]); */
 PHP_METHOD(domelement, __construct)
 {
 
@@ -106,6 +106,14 @@ PHP_METHOD(domelement, __construct)
 			RETURN_FALSE;
 		}
 	} else {
+	    /* If you don't pass a namespace uri, then you can't set a prefix */
+	    localname = xmlSplitQName2(name, (xmlChar **) &prefix);
+	    if (prefix != NULL) {
+			xmlFree(localname);
+			xmlFree(prefix);
+	        php_dom_throw_error(NAMESPACE_ERR, 1 TSRMLS_CC);
+	        RETURN_FALSE;
+	    }
 		nodep = xmlNewNode(NULL, (xmlChar *) name);
 	}
 
diff --git a/ext/dom/entityreference.c b/ext/dom/entityreference.c
index 4ac617d277..7070172393 100644
--- a/ext/dom/entityreference.c
+++ b/ext/dom/entityreference.c
@@ -48,7 +48,7 @@ PHP_METHOD(domentityreference, __construct)
 	xmlNodePtr oldnode = NULL;
 	dom_object *intern;
 	char *name;
-	int name_len;
+	int name_len, name_valid;
 
 	php_set_error_handling(EH_THROW, dom_domexception_class_entry TSRMLS_CC);
 	if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Os", &id, dom_entityreference_class_entry, &name, &name_len) == FAILURE) {
@@ -57,7 +57,9 @@ PHP_METHOD(domentityreference, __construct)
 	}
 
 	php_std_error_handling();
-	if (name_len == 0) {
+
+	name_valid = xmlValidateName((xmlChar *) name, 0);
+	if (name_valid != 0) {
 		php_dom_throw_error(INVALID_CHARACTER_ERR, 1 TSRMLS_CC);
 		RETURN_FALSE;
 	}
diff --git a/ext/dom/php_dom.c b/ext/dom/php_dom.c
index 8e60238af3..ca6403685d 100644
--- a/ext/dom/php_dom.c
+++ b/ext/dom/php_dom.c
@@ -1229,34 +1229,62 @@ void dom_set_old_ns(xmlDoc *doc, xmlNs *ns) {
 }
 /* }}} end dom_set_old_ns */
 
+/*
+http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core.html#ID-DocCrElNS
+
+NAMESPACE_ERR: Raised if
+
+1. the qualifiedName is a malformed qualified name
+2. the qualifiedName has a prefix and the  namespaceURI is null
+*/
+
+/* {{{ int dom_check_qname(char *qname, char **localname, char **prefix, int uri_len, int name_len) */
 int dom_check_qname(char *qname, char **localname, char **prefix, int uri_len, int name_len) {
-	int errorcode = 0;
-
-	if (name_len > 0) {
-		*localname = xmlSplitQName2(qname, (xmlChar **) prefix);
-		if (*localname == NULL) {
-			*localname = xmlStrdup(qname);
-			if (*prefix == NULL && uri_len == 0) {
-				return errorcode;
-			}
-		}
-		if (uri_len == 0 || *localname == NULL || (xmlStrchr(*localname, (xmlChar) ':') != NULL)) {
-			errorcode = NAMESPACE_ERR;
+	if (name_len == 0) {
+		return NAMESPACE_ERR;
+	}
+	
+	*localname = xmlSplitQName2(qname, (xmlChar **) prefix);
+	if (*localname == NULL) {
+		*localname = xmlStrdup(qname);
+		if (*prefix == NULL && uri_len == 0) {
+			return 0;
 		}
-	} else {
-		errorcode = NAMESPACE_ERR;
 	}
 
-	return errorcode;
+	/* 1 */
+	if (xmlValidateQName((xmlChar *) qname, 0) != 0) {
+		return NAMESPACE_ERR;
+	}
+
+	/* 2 */
+	if (*prefix != NULL && uri_len == 0) {
+		return NAMESPACE_ERR;
+	}
+
+	return 0;
 }
 
+
+/*
+http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core.html#ID-DocCrElNS
+
+NAMESPACE_ERR: Raised if
+
+3. the qualifiedName has a prefix that is "xml" and the namespaceURI is different from "http://www.w3.org/XML/1998/namespace" [XML Namespaces]
+4. the qualifiedName or its prefix is "xmlns" and the namespaceURI is different from  "http://www.w3.org/2000/xmlns/"
+5. the namespaceURI is "http://www.w3.org/2000/xmlns/" and neither the	qualifiedName nor its prefix is "xmlns".
+*/
+
 /* {{{ xmlNsPtr dom_get_ns(xmlNodePtr nodep, char *uri, int *errorcode, char *prefix) */
 xmlNsPtr dom_get_ns(xmlNodePtr nodep, char *uri, int *errorcode, char *prefix) {
 	xmlNsPtr nsptr = NULL;
 
 	*errorcode = 0;
 
-	if (! (prefix && !strcmp (prefix, "xml") && strcmp(uri, XML_XML_NAMESPACE))) {
+	if (! ((prefix && !strcmp (prefix, "xml"  ) && strcmp(uri, XML_XML_NAMESPACE)) ||
+		   (prefix && !strcmp (prefix, "xmlns") && strcmp(uri, DOM_XMLNS_NAMESPACE)) ||
+		   (prefix && !strcmp(uri, DOM_XMLNS_NAMESPACE) && strcmp (prefix, "xmlns")))) {
 		nsptr = xmlNewNs(nodep, uri, prefix);
 	}
 
diff --git a/ext/dom/processinginstruction.c b/ext/dom/processinginstruction.c
index b0b4cb275b..c3b85a4445 100644
--- a/ext/dom/processinginstruction.c
+++ b/ext/dom/processinginstruction.c
@@ -48,7 +48,7 @@ PHP_METHOD(domprocessinginstruction, __construct)
 	xmlNodePtr nodep = NULL, oldnode = NULL;
 	dom_object *intern;
 	char *name, *value = NULL;
-	int name_len, value_len;
+	int name_len, value_len, name_valid;
 
 	php_set_error_handling(EH_THROW, dom_domexception_class_entry TSRMLS_CC);
 	if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Os|s", &id, dom_processinginstruction_class_entry, &name, &name_len, &value, &value_len) == FAILURE) {
@@ -57,7 +57,9 @@ PHP_METHOD(domprocessinginstruction, __construct)
 	}
 
 	php_std_error_handling();
-	if (name_len == 0) {
+
+	name_valid = xmlValidateName((xmlChar *) name, 0);
+	if (name_valid != 0) {
 		php_dom_throw_error(INVALID_CHARACTER_ERR, 1 TSRMLS_CC);
 		RETURN_FALSE;
 	}
diff --git a/ext/dom/tests/dom_create_element.phpt b/ext/dom/tests/dom_create_element.phpt
new file mode 100644
index 0000000000..3f307099bb
--- /dev/null
+++ b/ext/dom/tests/dom_create_element.phpt
@@ -0,0 +1,394 @@
+--TEST--
+Test 1: Creating Elements with and without Namespaces
+--SKIPIF--
+<?php require_once('skipif.inc'); ?>
+--FILE--
+<?php
+
+print " 1 DOMDocument::createElement('valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElement('valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print " 2 DOMDocument::createElement('-invalid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElement('-invalid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print " 3 DOMDocument::createElement(' ')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElement(' ');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print " 4 DOMDocument::createElement('prefix:valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElement('prefix:valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print " 5 DOMDocument::createElementNS('http://valid.com', 'valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('http://valid.com', 'valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print " 6 DOMDocument::createElementNS('http://valid.com', 'prefix:valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('http://valid.com', 'prefix:valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print " 7 DOMDocument::createElementNS('http://valid.com', '-invalid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('http://valid.com', '-invalid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print " 8 DOMDocument::createElementNS('http://valid.com', 'prefix:-invalid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('http://valid.com', 'prefix:-invalid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print " 9 DOMDocument::createElementNS('', 'prefix:invalid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('', 'prefix:invalid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "10 DOMDocument::createElementNS('http://valid.com', 'prefix:valid:invalid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('http://valid.com', 'prefix:valid:invalid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "11 DOMDocument::createElementNS('http://valid.com', '-prefix:valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('http://valid.com', '-prefix:valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "12 DOMDocument::createElementNS('-', 'prefix:valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('-', 'prefix:valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+
+print "13 DOMElement::__construct('valid')\n";
+try {
+    $element = new DomElement('valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "14 DOMElement::__construct('-invalid')\n";
+try {
+    $element = new DomElement('-invalid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "15 DOMElement::__construct(' ')\n";
+try {
+    $element = new DomElement(' ');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "16 DOMElement::__construct('prefix:valid')\n";
+try {
+    $element = new DomElement('prefix:valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "17 DOMElement::__construct('valid', '', 'http://valid.com')\n";
+try {
+    $element = new DomElement('valid', '', 'http://valid.com');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "18 DOMElement::__construct('prefix:valid', '', 'http://valid.com')\n";
+try {
+    $element = new DomElement('prefix:valid', '', 'http://valid.com');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "19 DOMElement::__construct('-invalid', '', 'http://valid.com')\n";
+try {
+    $element = new DomElement('-invalid', '', 'http://valid.com');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "20 DOMElement::__construct('prefix:-invalid', '', 'http://valid.com')\n";
+try {
+    $element = new DomElement('prefix:-invalid', '', 'http://valid.com');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "21 DOMElement::__construct('prefix:invalid', '', '')\n";
+try {
+    $element = new DomElement('prefix:invalid', '', '');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "22 DOMElement::__construct('prefix:valid:invalid', '', 'http://valid.com')\n";
+try {
+    $element = new DomElement('prefix:valid:invalid', '', 'http://valid.com');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "23 DOMElement::__construct('-prefix:valid', '', 'http://valid.com')\n";
+try {
+    $element = new DomElement('-prefix:valid', '', 'http://valid.com');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "24 DOMElement::__construct('prefix:valid', '', '-')\n";
+try {
+    $element = new DomElement('prefix:valid', '', '-');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+/* the qualifiedName has a prefix and the  namespaceURI is null */
+
+print "25 DOMDocument::createElementNS('', 'prefix:valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('', 'prefix:valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+/* the qualifiedName has a prefix that is "xml" and the  namespaceURI 
+   is different from "http://www.w3.org/XML/1998/namespace" [XML Namespaces] */
+
+print "26 DOMDocument::createElementNS('http://wrong.namespaceURI.com', 'xml:valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('http://wrong.namespaceURI.com', 'xml:valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "27 DOMElement::__construct('xml:valid', '', 'http://wrong.namespaceURI.com')\n";
+try {
+    $element = new DomElement('xml:valid', '', 'http://wrong.namespaceURI.com');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+/* This is okay because we reuse the xml namespace from the document */
+print "28 DOMDocument::createElementNS('http://www.w3.org/XML/1998/namespace', 'xml:valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('http://www.w3.org/XML/1998/namespace', 'xml:valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+/* This isn't because the xml namespace isn't there and we can't create it */
+print "29 DOMElement::__construct('xml:valid', '', 'http://www.w3.org/XML/1998/namespace')\n";
+try {
+    $element = new DomElement('xml:valid', '', 'http://www.w3.org/XML/1998/namespace');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+
+/* the qualifiedName or its prefix is "xmlns" and the  namespaceURI is 
+   different from  "http://www.w3.org/2000/xmlns/" */
+
+print "30 DOMDocument::createElementNS('http://wrong.namespaceURI.com', 'xmlns:valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('http://wrong.namespaceURI.com', 'xmlns:valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "31 DOMElement::__construct('xmlns:valid', '', 'http://wrong.namespaceURI.com')\n";
+try {
+    $element = new DomElement('xmlns:valid', '', 'http://wrong.namespaceURI.com');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "32 DOMDocument::createElementNS('http://www.w3.org/2000/xmlns/', 'xmlns:valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('http://www.w3.org/2000/xmlns/', 'xmlns:valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "33 DOMElement::__construct('xmlns:valid', '', 'http://www.w3.org/2000/xmlns/')\n";
+try {
+    $element = new DomElement('xmlns:valid', '', 'http://www.w3.org/2000/xmlns/');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+/* the namespaceURI is "http://www.w3.org/2000/xmlns/" and neither the 
+   qualifiedName nor its prefix is "xmlns". */
+
+print "34 DOMDocument::createElementNS('http://www.w3.org/2000/xmlns/', 'wrongprefix:valid')\n";
+try {
+    $dom = new domDocument;
+    $dom->createElementNS('http://www.w3.org/2000/xmlns/', 'wrongprefix:valid');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+print "35 DOMElement::__construct('wrongprefix:valid', '', 'http://www.w3.org/2000/xmlns/')\n";
+try {
+    $element = new DomElement('wrongprefix:valid', '', 'http://www.w3.org/2000/xmlns/');
+    print "valid\n";
+} catch (Exception $e) {
+    print $e->getMessage() . "\n";
+}
+
+
+
+?>
+--EXPECT--
+ 1 DOMDocument::createElement('valid')
+valid
+ 2 DOMDocument::createElement('-invalid')
+Invalid Character Error
+ 3 DOMDocument::createElement(' ')
+Invalid Character Error
+ 4 DOMDocument::createElement('prefix:valid')
+valid
+ 5 DOMDocument::createElementNS('http://valid.com', 'valid')
+valid
+ 6 DOMDocument::createElementNS('http://valid.com', 'prefix:valid')
+valid
+ 7 DOMDocument::createElementNS('http://valid.com', '-invalid')
+Namespace Error
+ 8 DOMDocument::createElementNS('http://valid.com', 'prefix:-invalid')
+Namespace Error
+ 9 DOMDocument::createElementNS('', 'prefix:invalid')
+Namespace Error
+10 DOMDocument::createElementNS('http://valid.com', 'prefix:valid:invalid')
+Namespace Error
+11 DOMDocument::createElementNS('http://valid.com', '-prefix:valid')
+Namespace Error
+12 DOMDocument::createElementNS('-', 'prefix:valid')
+valid
+13 DOMElement::__construct('valid')
+valid
+14 DOMElement::__construct('-invalid')
+Invalid Character Error
+15 DOMElement::__construct(' ')
+Invalid Character Error
+16 DOMElement::__construct('prefix:valid')
+Namespace Error
+17 DOMElement::__construct('valid', '', 'http://valid.com')
+valid
+18 DOMElement::__construct('prefix:valid', '', 'http://valid.com')
+valid
+19 DOMElement::__construct('-invalid', '', 'http://valid.com')
+Invalid Character Error
+20 DOMElement::__construct('prefix:-invalid', '', 'http://valid.com')
+Namespace Error
+21 DOMElement::__construct('prefix:invalid', '', '')
+Namespace Error
+22 DOMElement::__construct('prefix:valid:invalid', '', 'http://valid.com')
+Namespace Error
+23 DOMElement::__construct('-prefix:valid', '', 'http://valid.com')
+Invalid Character Error
+24 DOMElement::__construct('prefix:valid', '', '-')
+valid
+25 DOMDocument::createElementNS('', 'prefix:valid')
+Namespace Error
+26 DOMDocument::createElementNS('http://wrong.namespaceURI.com', 'xml:valid')
+Namespace Error
+27 DOMElement::__construct('xml:valid', '', 'http://wrong.namespaceURI.com')
+Namespace Error
+28 DOMDocument::createElementNS('http://www.w3.org/XML/1998/namespace', 'xml:valid')
+valid
+29 DOMElement::__construct('xml:valid', '', 'http://www.w3.org/XML/1998/namespace')
+Namespace Error
+30 DOMDocument::createElementNS('http://wrong.namespaceURI.com', 'xmlns:valid')
+Namespace Error
+31 DOMElement::__construct('xmlns:valid', '', 'http://wrong.namespaceURI.com')
+Namespace Error
+32 DOMDocument::createElementNS('http://www.w3.org/2000/xmlns/', 'xmlns:valid')
+valid
+33 DOMElement::__construct('xmlns:valid', '', 'http://www.w3.org/2000/xmlns/')
+valid
+34 DOMDocument::createElementNS('http://www.w3.org/2000/xmlns/', 'wrongprefix:valid')
+Namespace Error
+35 DOMElement::__construct('wrongprefix:valid', '', 'http://www.w3.org/2000/xmlns/')
+Namespace Error