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Description

Finds XML nodes by a given "path".

Example usage:

• $tree = xml_to_array( $rss );
• $items = xml_find( $tree, 'rss', 'channel', 'item' );

Usage

$array = xml_find( $tree, $elements );

Parameters

$tree

( array ) required – An array tree structure of XML, typically from xml_to_array().

$elements

( mixed ) optional –

Returns

array Array of matching XML node information.

Source

File name: wordpress-develop-tests/phpunit/includes/utils.php
Lines:

function xml_find( $tree, ...$elements ) {
  $n   = count( $elements );
  $out = array();

  if ( $n < 1 ) {
    return $out;
  }

  for ( $i = 0; $i < count( $tree ); $i++ ) {
    #       echo "checking '{$tree[$i][name]}' == '{$elements[0]}'\n";
    #       var_dump( $tree[$i]['name'], $elements[0] );
    if ( $tree[ $i ]['name'] === $elements[0] ) {
      #           echo "n == {$n}\n";
      if ( 1 === $n ) {
        $out[] = $tree[ $i ];
      } else {
        $subtree =& $tree[ $i ]['child'];
        $out     = array_merge( $out, xml_find( $subtree, ...array_slice( $elements, 1 ) ) );
      }
    }
  }

  return $out;
}
 

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