1 backdrop_web_test_case.php | protected BackdropWebTestCase::xpath($xpath, array $arguments = array()) |
Perform an xpath search on the contents of the internal browser. The search is relative to the root element (HTML tag normally) of the page.
Parameters
$xpath: The xpath string to use in the search.
array $arguments: An array of arguments with keys in the form ':name' matching the placeholders in the query. The values may be either strings or numeric values.
Return value
SimpleXmlElement[]|FALSE: The return value of the xpath search. For details on the xpath string format and return values see the SimpleXML documentation, http://us.php.net/manual/function.simplexml-element-xpath.php.
File
- core/
modules/ simpletest/ backdrop_web_test_case.php, line 2855
Class
- BackdropWebTestCase
- Test case for typical Backdrop tests.
Code
protected function xpath($xpath, array $arguments = array()) {
if ($this->parse()) {
$xpath = $this->buildXPathQuery($xpath, $arguments);
$result = $this->elements->xpath($xpath);
// Some combinations of PHP / libxml versions return an empty array
// instead of the documented FALSE. Forcefully convert any false-ish
// values to an empty array to allow foreach(...) constructions.
return $result ? $result : array();
}
else {
return FALSE;
}
}