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PAL.C.T MINI SHELL
files >> /php-7.1.11/ext/simplexml/tests/
upload
files >> //php-7.1.11/ext/simplexml/tests/008.phpt

--TEST--
SimpleXML: XPath 
--SKIPIF--
<?php if (!extension_loaded("simplexml")) print "skip"; ?>
--FILE--
<?php 

$xml =<<<EOF
<?xml version='1.0'?>
<!DOCTYPE sxe SYSTEM "notfound.dtd">
<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) {
    }
  }
}
array(0) {
}

Warning: SimpleXMLElement::xpath(): Invalid expression in %s on line %d%A
bool(false)
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