我是PHP新手。请帮助我实现以下场景。在过去的三天里，我一直在努力做到这一点。

我的WordPress仪表板中有两个类别，分别是；可用（id:3）“”；和；已预订（id:4）”；。在“中”；“可用”；类别有几个职位。

当我提交一份；联系方式7“；成功的话，我想把这个帖子转到；“已预订”；类别

我在我的函数中尝试了如下内容。php

add_action(\'wpcf7_mail_sent\', function ($cf7) {
    function wp_set_post_categories( $post_ID = 0, $post_categories = array(), $append = true ) {
    $post_ID     = (int) $post_ID;
    $post_type   = get_post_type( $post_ID );
    $post_status = get_post_status( $post_ID );
    // If $post_categories isn\'t already an array, make it one:
    $post_categories = (array) $post_categories;
    if ( empty( $post_categories ) ) {
        if ( \'post\' == $post_type && \'auto-draft\' != $post_status ) {
            $post_categories = array( get_option( \'default_category\' ) );
            $append          = false;
        } else {
            $post_categories = array(4);
        }
    } elseif ( 1 == count( $post_categories ) && \'\' == reset( $post_categories ) ) {
        return true;
    }
 
    return wp_set_post_terms( $post_ID, $post_categories, \'category\', $append );
}
});

无论我在动作中写什么，它甚至都不会执行

add_action(\'wpcf7_mail_sent\', function ($cf7) {
    // not working anything, only print_r command working
});

我们将不胜感激。非常感谢。

add_action(\'wpcf7_mail_sent\', function ($cf7) {
    $submission = WPCF7_Submission::get_instance();
    $data = $submission->get_posted_data();

    if( empty($data[\'_wpcf7_container_post\']) )
        return;

    $post_id = (int) $data[\'_wpcf7_container_post\'];

    wp_remove_object_terms( $post_id, \'available\', \'category\');
    wp_set_object_terms( $post_id, \'booked\', \'category\');
});