如何以JSON格式列出类别和子类别？

我需要整合this plugin 使用我的WordPress网站，类别必须采用以下格式：

 "Option 1": {"Suboption":200},
 "Option 2": {"Suboption 2": {"Subsub 1":201, "Subsub 2":202},
                "Suboption 3": {"Subsub 3":203, "Subsub 4":204, "Subsub 5":205}
               }

我怎样才能得到它<我尝试了json-api.

这是步行者：

class MyWalker extends Walker_Category {
    var $tree_type = \'category\';

    var $db_fields = array (\'parent\' => \'parent\', \'id\' => \'term_id\');

    function start_lvl( &$output, $depth, $args = array() ) {
        if ( \'list\' != $args[\'style\'] )
            return;

        $indent = str_repeat("\\t", $depth);
        $output .= "$indent:{";
    }

    function end_lvl( &$output, $depth, $args = array() ) {
        if ( \'list\' != $args[\'style\'] )
            return;

        $indent = str_repeat("\\t", $depth);
        $output .= "$indent}\\n";
    }

    function start_el($output, $category, $depth , $args = array() ) {
        extract($args);
        $cat_name = esc_attr( $category->name );
        $cat_name = apply_filters( \'list_cats\', $cat_name, $category );
        $output .= \'"\' . $cat_name.\'=>\'.$depth . \'",\';
    }

    function end_el($output, $page, $depth = 0, $args = array() ) {
        if ( \'list\' != $args[\'style\'] )
            return;

        $output .= "\\n";
    }
}

// let\'s get the bare minimum going $args = array( \'type\' => \'post\', \'child_of\' => 20, //change this, hardcoded as example \'taxonomy\' => \'category\' ); $categories = get_categories( $args ); $json = json_encode($categories); var_dump($json); //do what you want

$args = [ \'taxonomy\' => \'category\', \'hide_empty\' => 0, \'parent\' => 0 ]; function _get_child_terms( $items ) { foreach ( $items as $item ) { $item->children = get_terms( \'category\', array( \'child_of\' => $item->term_id, \'hide_empty\' => 0 ) ); if ( $item->children ) _get_child_terms( $item->children ); } return $items; } $terms = _get_child_terms( get_terms( $args ) ); echo json_encode( $terms );

小码农CODE

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