XML-RPC and post_date

Question

I'm trying to set the post_date via XML-RPC and keep getting an error saying the XML isn't formatted properly. The code goes something like:

$post = get_post( $post_id );

$response = $client->query( 
    'wp.editPost',
    array( 
        0, 
        $user, 
        $pw, 
        array( 
            'post_date' => $post->post_date 
        ) 
    ) 
);

I'm hitting the same issue with wp.newPost. I know the date should be formatted ISO8601 but I'm just having no luck getting it formatted right.

Answer 1

There are a couple of issues here. First of all, wp.editPost takes a fourth parameter before the content struct -> the ID of the post you're trying to edit (should be an integer).

Second, you're passing a string for the post_date, so the client automatically converts this to a <string> tag before sending it to the server ... unfortunately, the server expects a <dateTime.iso8601> tag.

You can fix this by parsing the string date and passing an instance of the IXR_Date class instead. The client will parse it properly and the server will react appropriately. I've tested the following scenario on my own server:

$date = new IXR_Date( strtotime( $post->post_date ) );  // Parse the date to an IXR_Date object.

$response = $client->query( 
    'wp.editPost',
    array( 
        0, 
        $user, 
        $pwd,
        $post_id,
        array( 
            'post_date' => $date 
        ) 
    ) 
);