Function SimpleXMLElement::getNamespaces() - it is a built-in function in PHP that is used to extract namespaces declared in an XML document.
Syntax:array SimpleXMLElement::getNamespaces ($recursive)
Parameter:This function takes one parameter
$recursive,which is optional. Its default value is - FALSE. If True is passed, it returns a recursive namespace in the parent and child nodes. If set to False, then it only returns the namespaces of the parent node.
Return Value:This function returns an array of namespace names with their corresponding URIs.
Note.This function is available for PHP 5.1.2 and later.The following programs illustrate the SimpleXMLElement::getNamespaces() function in PHP:
Program 1:
// Load XML document into $user $user = < < < XML < user xmlns: user_id = " http://engineerforengineer.org/user " > < single_user id = "1" > < user_id: id > 12345 < / user_id: id > < username > Geeks123 < / username > < name > GeeksforGeeks < / name > + 91-XXXXXXXXXX < / phone > < detail font-color = "blue" font-size = "24px" > Noida India < / detail > < / single_user > < single_user id = "2" > < user_id: id > 15980 < / user_id: id > < username > Geeks54321 < / username > < name > Geeks < / name > + 91-XXXXXXXXXX < / phone > < detail font-color = "blue" font-size = "24px" > Noida India < / detail > < / single_user >
< / user >
XML;
// Load the string as a simple xml object $xml = simplexml_load_string ( $user );
// Retrieving namespaces $result = $xml -> getNamespaces (1);
// Show output print_r ( $result );
?> Exit:Array ([ user_id] = > http://engineerforengineer.org/user)
Program 2:
// Load XML document into $user $user = < < < XML < user xmlns: user_id = " http://engineerforengineer.org/user " > < single_user id = " 1 " xmlns: name = " http://engineerforengineer.org/user/name " > < user_id: id > 12345 < / user_id: id > < username > rakesh123 < / username > < name: firstname > Rakesh < / name: firstname > < name: lastname > Kumar < / name: lastname > + 91-XXXXXXXXXX < / phone > < detail > Noida India < / detail > < / single_user > < single_user id = " 2 " xmlns: name = " http://engineerforengineer.org/user/name " > < user_id: id > 57833 < / user_id: id > < username > man123 < / username > < name: firstname > Manjeet < / name: firstname > < name: lastname > Singh < / name: lastname > + 91-XXXXXXXXXX < / phone > < detail > Kolkata, India < / detail > < / single_user > < single_user id = " 3 " xmlns: name = " http://engineerforengineer.org/user/name " > < user_id: id > 98944 < / user_id: id > < username > ak98 < / username > < name: firstname > Ak < / name: firstname > < name: lastname > Singh < / name: lastname > + 91-XXXXXXXXXX < / phone > < detail > Noida India < / detail > < / single_user > < / user >
XML;
// Load the string as a simple xml object $xml = simplexml_load_string ( $user );
// Retrieving namespaces $result = $xml -> getNamespaces (TRUE);
// Display the output print_r ( $result );
?> Exit:Array ([ user_id] = > http://engineerforengineer.org/user [name] = > http://engineerforengineer.org/user/name)
Link: https://www.php.net/manual/en/simplexmlelement.getnamespaces.php
