| --TEST-- | |
| SimpleXML: XPath | |
| --EXTENSIONS-- | |
| simplexml | |
| --FILE-- | |
| $xml =<<<EOF | |
| <?xml version='1.0'?> | |
| <sxe id="elem1"> | |
| <elem1 attr1='first'> | |
| <!-- comment --> | |
| <elem2> | |
| <elem3> | |
| <elem4> | |
| <?test processing instruction ?> | |
| </elem4> | |
| </elem3> | |
| </elem2> | |
| </elem1> | |
| </sxe> | |
| EOF; | |
| $sxe = simplexml_load_string($xml); | |
| var_dump($sxe->xpath("elem1/elem2/elem3/elem4")); | |
| //valid expression | |
| var_dump($sxe->xpath("***")); | |
| //invalid expression | |
| var_dump($sxe->xpath("**")); | |
| ?> | |
| --EXPECTF-- | |
| array(1) { | |
| [0]=> | |
| object(SimpleXMLElement)#%d (1) { | |
| ["test"]=> | |
| object(SimpleXMLElement)#%d (0) { | |
| } | |
| } | |
| } | |
| Warning: SimpleXMLElement::xpath(): XPath expression must return a node set, number returned in %s on line %d | |
| bool(false) | |
| Warning: SimpleXMLElement::xpath(): Invalid expression in %s on line %d | |
| bool(false) | |