What is the role of PHP DOMXPath in parsing XML files
This article mainly explains the "what is the role of PHP DOMXPath in XML file parsing", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in-depth, together to study and learn "what is the role of PHP DOMXPath in XML file parsing"!
Example of how to use PHP DOMXPath:
Load ($url)
$xpath = new DOMXPath ($dom)
$element = $xpath- > query ("/ xml_api_reply
/ weather/current_conditions ")-> item (0)
$condition = get_google_xml_data
($element, "condition")
$temp_c = get_google_xml_data
($element, "temp_c")
Echo 'Weather:', $condition,''
Echo 'temperature:', $temp_c,''
Function get_google_xml_data
($element, $tagname) {
$tags = $element- >
GetElementsByTagName ($tagname)
/ / get all the $tagname
If ($items- > length > 1) {
Return $items
}
$tag = $tags- > item (0)
/ / get * tags named with $tagname
If ($tag- > hasAttributes ()) {
/ / get data attribute
$attribute = $tag- >
GetAttribute ("data")
Return $attribute
} else {
Return false
}
}
? >
Thank you for your reading, these are the contents of "what is the role of PHP DOMXPath in XML file parsing". After the study of this article, I believe you have a deeper understanding of what is the role of PHP DOMXPath in XML file parsing. The specific use of PHP DOMXPath also needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!
