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run code in 150+ php & hhvm versions
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<?php $x = <<<XML <row> <entry XY="1" al="23" se="5" ag="fgh"></entry> <entry XY="1" al="23" se="5" ag="fgh">Content1</entry> <entry XY="1" al="23" se="5" ag="fgh">Content2</entry> <entry XY="1" al="23" se="5" ag="fgh"></entry> <entry XY="1" al="23" se="5" ag="fgh">Content3</entry> </row> XML; $xml = simplexml_load_string($x); $y = $xml->xpath("//entry[not(text())]"); var_dump($y);
Output for 5.1.2 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
array(2) { [0]=> object(SimpleXMLElement)#2 (1) { ["@attributes"]=> array(4) { ["XY"]=> string(1) "1" ["al"]=> string(2) "23" ["se"]=> string(1) "5" ["ag"]=> string(3) "fgh" } } [1]=> object(SimpleXMLElement)#3 (1) { ["@attributes"]=> array(4) { ["XY"]=> string(1) "1" ["al"]=> string(2) "23" ["se"]=> string(1) "5" ["ag"]=> string(3) "fgh" } } }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.0.0 - 5.1.1
array(2) { [0]=> object(SimpleXMLElement)#2 (0) { } [1]=> object(SimpleXMLElement)#3 (0) { } }
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: simplexml_load_string() in /in/LS44R on line 12
Process exited with code 255.
Output for 4.3.2 - 4.4.1, 4.4.3 - 4.4.4
Fatal error: Call to undefined function: simplexml_load_string() in /in/LS44R on line 12
Process exited with code 255.
Output for 4.4.2
Fatal error: Call to undefined function: simplexml_load_string() in /in/LS44R on line 13
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: simplexml_load_string() in /in/LS44R on line 12