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<?php $xmlns = 'urn:foo'; $dom = new DOMDocument(); /* On the root level the prefix is replaced by default and the namespace for the attribute is lost */ $root = $dom->createElementNS($xmlns, 'element'); $root->setAttributeNS($xmlns, 'foo:attribute', 'bar'); $dom->appendChild($root); /* On the second level the prefix is replaced, the namespace declaration is duplicated and the element gets a prefix that was never provided. */ $child = $dom->createElementNS($xmlns, 'element'); $child->setAttributeNS($xmlns, 'foo:attribute', 'bar'); $root->appendChild($child); /* On the third level the prefix is replaced and the element gets a prefix again. */ $subchild = $dom->createElementNS($xmlns, 'element'); $subchild->setAttributeNS($xmlns, 'foo:attribute', 'bar'); $child->appendChild($subchild); /* If you add the element node before setting the attribute it gets no prefix */ $child = $dom->createElementNS($xmlns, 'element'); $root->appendChild($child); $child->setAttributeNS($xmlns, 'foo:attribute', 'bar'); $dom->formatOutput = TRUE; echo $dom->saveXml(); /* Expected <?xml version="1.0"?> <element xmlns="urn:foo" xmlns:foo="urn:foo" foo:attribute="bar"> <element foo:attribute="bar"> <element foo:attribute="bar"/> </element> </element> */
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.20, 8.1.25 - 8.1.28, 8.2.0 - 8.2.7, 8.2.12 - 8.2.18, 8.3.0 - 8.3.6
<?xml version="1.0"?> <element xmlns="urn:foo" xmlns:default="urn:foo" attribute="bar"> <default:element xmlns:default="urn:foo" default:attribute="bar"> <default:element default:attribute="bar"/> </default:element> <element default:attribute="bar"/> </element>
Output for 8.1.21 - 8.1.24, 8.2.8 - 8.2.11
<?xml version="1.0"?> <element xmlns="urn:foo" xmlns:default="urn:foo" default:attribute="bar"> <element xmlns:default="urn:foo" default:attribute="bar"> <element default:attribute="bar"/> </element> <default:element default:attribute="bar"/> </element>
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
<?xml version="1.0"?> <element xmlns="urn:foo" xmlns:default="urn:foo" attribute="bar"> <element attribute="bar"> <element attribute="bar"/> </element> <element default:attribute="bar"/> </element>
Output for 5.0.0 - 5.0.5
<?xml version="1.0"?> <element xmlns="urn:foo" xmlns:foo="urn:foo" attribute="bar"> <element attribute="bar"> <element attribute="bar"/> </element> <element foo:attribute="bar"/> </element>
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: domdocument in /in/ctfrM on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: domdocument in /in/ctfrM on line 5

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