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php - 如何使用 WP 帖子状态转换来处理帖子到期日期

转载 作者:可可西里 更新时间:2023-10-31 23:29:40 29 4
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我是这个 & date/time/PHP 的新手,这让我的大脑很受伤。

1) 如何使用WP Post Status Transitions注册发布状态更改的确切日期和时间(我们将其命名为 valueX)?

2) 现在我从我的主题选项 (valueY) 中获取其他值 - 它可以是一个时间段(例如 30 天)或日期和时间

3) 如何用valueXvalueY 计算得到valueZ -> 那就是日期&帖子更改为草稿或自行删除的时间!

这最终应该如何工作:

  1. 我在主题选项中有 2 个输入,1 个用于 draft lifespawn,1 个用于发布后 lifespawn(输入为整数 - 值为分钟或小时)
  2. 如果您发布帖子,它会保存此事件的日期和时间。
  3. 将主题选项值(发布后 lifespawn int)添加到该时间,结果是草稿更改后的日期
  4. 如果那个时候到了,将帖子更改为草稿(并节省那个时间)
  5. 将主题选项值(draft lifespawn int)添加到那个时间,结果是 draft 被删除的日期
  6. 如果那个时候删除草稿

这一切听起来很合乎逻辑,但我没有足够的技能来做到这一点。

我的代码:

注意:

  • 为了便于阅读,我将其分为两部分 - 第一部分是发布后草稿,第二部分是代码要删除的草稿。每一步都有评论。
  • 逻辑是,如果您编辑已发布的帖子,它不应该重置计时器如果您在任何给定时间将帖子更改为草稿,它将开始草稿处理并停止已发布的后期处理。
  • 这似乎太长太复杂了..这就是为什么我没有首先添加它。我相信它可以更容易地完成方式。
  • 我用WP po​​st time和edit time因为我不知道怎么节省时间& 该特定时间的日期使用 WP Post Status Transitions 分隔值.

发布 -> 草稿

    if ( !function_exists('tt_icon_time_left') ) {
function tt_icon_time_left() {

//Set Timezone To Local
date_default_timezone_set('Europe/London');

// Check post status
if ( get_post_status($post->ID) == "publish" ) {

//Get Property Publish Date
$time_post_published = get_the_time( 'H:i:s d.m.Y' );

// Get Active Post Expiration Value From Theme Options
global $theme_option;
$post_time_integer = $theme_option['post-time-left'];

// Get Active Post Expiration Value From Meta
$single_post_time_left = get_post_meta( get_the_ID(), 'post_time_left', true );

// Decide If Theme Options Or Meta Active Post Expiration Value
if ( $single_post_time_left <= 0 && $post_time_integer <= 0 ) {
$post_time = 0;
}
else if ( $single_post_time_left < $post_time_integer && $single_post_time_left > 0 || $single_post_time_left > $post_time_integer ) {
$post_time = $single_post_time_left;
}
else {
$post_time = $post_time_integer;
}

// Active Post Expiration Value To Seconds
$post_time_seconds = $post_time * 86400;

// Active Post Age In Seconds
$active_post_age = strtotime($time_post_published);
$active_post_age = time() - $active_post_age;

// Calculate Active Post Expiration Date
$post_expiration_time = date( 'H:i:s d.m.Y' ,strtotime( $time_post_published ) + $post_time_seconds );

// Show Icon And Time Left Until Active Post Changes To Draft In Tooltip ONLY SHOWN IN SUBMIT LISTING
if ( $post_time > 0 && $active_post_age <= $post_time_seconds ) {
global $post;
if ( is_page_template( 'template-post-submit-listing.php' ) ) {
return '<i class="fa fa-clock-o" data-toggle="tooltip" title="' . __( 'Post expires on ' . $post_expiration_time, 'tt' ) . '"></i>';
}
else {
return false;
}
}

草稿 -> 删除

          // Change Active Post To Draft If Time Is Up
else if ( $post_time > 0 && $active_post_age > $post_time_seconds ) {
$postt['post_status'] = 'draft';
wp_update_post($post);
}
else {
return false;
}
}
// Chech post status
else if ( get_post_status($post->ID) == "draft" ) {

$time_post_published = $publish_time;

// Get Draft Expiration Value From Theme Options
global $theme_option;
$draft_time_integer = $theme_option['draft-time-left'];

// Get Draft Expiration Value From Meta
$single_draft_time_left = get_post_meta( get_the_ID(), 'draft_time_left', true );

// Decide If Theme Options Or Meta Draft Expiration Value
if ( $single_draft_time_left <= 0 && $draft_time_integer <= 0 ) {
$draft_time = 0;
}
else if ( $single_draft_time_left < $draft_time_integer && $single_draft_time_left > 0 || $single_draft_time_left > $draft_time_integer ) {
$draft_time = $single_draft_time_left;
}
else {
$draft_time = $draft_time_integer;
}

// Draft Expiration Value To Seconds
$draft_time_seconds = $draft_time * 86400;

// Draft Age In Seconds
$draft_age = strtotime($time_property_modified);
$draft_age = time() - $draft_age;

// Calculate Draft Expiration Date
$draft_expiration_time = date( 'H:i:s d.m.Y' ,strtotime( $time_property_modified ) + $draft_time_seconds );

// Show Icon And Time Left Until Draft Gets Deleted In Tooltip ONLY IN SUBMIT LISTING
if ( $draft_time && $draft_age <= $draft_time_seconds ) {
global $post;
if ( is_page_template( 'template-property-submit-listing.php' ) ) {
return '<i class="fa fa-clock-o" data-toggle="tooltip" title="' . __( 'Property gets deleted on ' . $draft_expiration_time , 'tt' ) . '"></i>';
}
else {
return false;
}
}
// Delete Draft If Time Is Up
else if( $draft_time && $draft_age > $draft_time_seconds ) {

// I got this
}
}
else {
return false;
}

}
}

最佳答案

1) How to use WP Post Status Transitions to register exact date & time of post status change (let's name it valueX)?

在我看来,处理这个问题的更好方法不是使用 Post Transition Status Hook ,而是使用 Wordpress Cron - 当管理员更改帖子状态时将调用 Hook 。我们将只使用一个 Post Transition Status 来在名为 firstPublishTime 的自定义字段中注册第一次发布帖子:

add_action('transition_post_status', 'first_publish_time_register', 10, 3);
function first_publish_time_register($new, $old, $post) {
if ($new == 'publish' && $old != 'publish' && $post->post_type == 'post') { // change this to whatever post type you like
$firstPublishTime = get_post_meta($post->ID, 'firstPublishTime', true);
if(empty($firstPublishTime)) {
// First time the post is publish, register the time
add_post_meta($post->ID, 'firstPublishTime', strftime('%F %T'), true);
}
}
}

2) Now I bring other value from my theme options (valueY) - it's either a period (e.g 30 days) or date & time

对于下一部分,我将考虑您有两个主题选项,两个时间段:一个用于名为 your_theme_option1 的“发布到草稿”延迟,另一个用于“草稿到删除延迟”命名为 your_theme_option2 ;采用 YY-MM-DD-HH-MM-SS 格式。例如 00-00-30-00-00-00 表示 30 天,00-01-00-00-00-00 表示一个月等。

3) How to make a calculation with valueX and valueY to get valueZ -> that's date & time when post deletes itself!

这就是乐趣所在。我们将注册一个每小时执行一次的 WP Cron(请注意,它不是服务器 cron,如果该小时内没有人访问您的网站,则不会处理) .以下代码将每小时执行一次 cron_postStatus() 函数:

register_activation_hook(__FILE__, 'cron_postStatus_activation');
add_action('postStatus_event', 'cron_postStatus');
function cron_postStatus_activation() {
wp_schedule_event(time(), 'hourly', 'postStatus_event');
}

现在是重要的部分:

function cron_postStatus() {
// Get the theme options
$published_to_draft_delay = get_option('your_theme_option1');
$draft_to_deleted_delay = get_option('your_theme_option2');
if(!$published_to_draft_delay || !$draft_to_deleted_delay) {
return new WP_Error('broke', __('Theme options unavailable'));
}
$published_to_draft_delay = explode('-', $published_to_draft_delay);
$draft_to_deleted_delay = explode('-', $draft_to_deleted_delay);
$published_to_draft_delay = new DateInterval(
'P'.$published_to_draft_delay[0].'Y'.
$published_to_draft_delay[1].'M'.
$published_to_draft_delay[2].'D'.
'T'.$published_to_draft_delay[3].'H'.
$published_to_draft_delay[4].'M'.
$published_to_draft_delay[5].'S'
);
$draft_to_deleted_delay = new DateInterval(
'P'.$draft_to_deleted_delay[0].'Y'.
$draft_to_deleted_delay[1].'M'.
$draft_to_deleted_delay[2].'D'.
'T'.$draft_to_deleted_delay[3].'H'.
$draft_to_deleted_delay[4].'M'.
$draft_to_deleted_delay[5].'S'
);
$now = new DateTime();

// Get all the unpublished posts
$unpublished_posts = new WP_Query(array(
'posts_per_page' => -1,
'post_type' => 'post', // change this to whatever post type you like
'meta_key' => 'expirationDate',
'post_status' => 'draft'
));
while($unpublished_posts->have_posts()) {
$unpublished_posts->the_post();
$expirationDate = get_post_meta(get_the_ID(), 'expirationDate', true);
if(!empty($expirationDate)) {
// Date comparison
$dt = new DateTime($expirationDate);
$dt->add($draft_to_deleted_delay);
if($dt > $now) {
// Expiration date reached, unpublish the post
wp_delete_post(get_the_ID(), true);
}
}
}

// Get all the published posts
$published_posts = new WP_Query(array(
'posts_per_page' => -1,
'post_type' => 'post', // change this to whatever post type you like
'meta_key' => 'firstPublishTime'
));
while($published_posts->have_posts()) {
$published_posts->the_post();
$first_publish = get_post_meta(get_the_ID(), 'firstPublishTime', true);
if(!empty($first_publish)) {
// Date comparison
$dt = new DateTime($first_publish);
$dt->add($published_to_draft_delay);
if($dt > $now) {
// Expiration date reached, unpublish the post
wp_transition_post_status('draft', 'publish', $published_posts->post);
add_post_meta($post->ID, 'expirationDate', strftime('%F %T'), true);
}
}
}
wp_reset_postdata();
}

在这里,我决定使用 DateInterval为了轻松操纵到期日期。首先,我们从 wp_options 获取到期日期选项,将它们构建在 DateInterval 对象中,然后获取当前时间。然后我们将执行两个查询,一个用于草稿,一个用于已发布的帖子。对于草稿,我们检查是否有 expirationDate 元值,如果有并且我们到了删除时间,我们会从数据库中删除该帖子。对于已发布的帖子,如果我们到了到期日期,我们会将状态更改为草稿,并添加一个名为 expirationDate 的自定义值 - 这是为了区分 cron 的“发布到草稿”更改以及管理层的变动。

请注意,这是未经测试的代码

更新

这是一个函数,您可以使用它来根据请求获取剩余到期时间:

function getExpirationInfos($post) {
// Get all informations
$first_publish = get_post_meta($post->ID, 'firstPublishTime', true);
$expirationDate = get_post_meta($post->ID, 'expirationDate', true);
if(empty($first_publish)) {
return '';
}
$published_to_draft_delay = get_option('your_theme_option1');
$draft_to_deleted_delay = get_option('your_theme_option2')
$published_to_draft_delay = explode('-', $published_to_draft_delay);
$draft_to_deleted_delay = explode('-', $draft_to_deleted_delay);
$published_to_draft_delay = new DateInterval(
'P'.$published_to_draft_delay[0].'Y'.
$published_to_draft_delay[1].'M'.
$published_to_draft_delay[2].'D'.
'T'.$published_to_draft_delay[3].'H'.
$published_to_draft_delay[4].'M'.
$published_to_draft_delay[5].'S'
);
$draft_to_deleted_delay = new DateInterval(
'P'.$draft_to_deleted_delay[0].'Y'.
$draft_to_deleted_delay[1].'M'.
$draft_to_deleted_delay[2].'D'.
'T'.$draft_to_deleted_delay[3].'H'.
$draft_to_deleted_delay[4].'M'.
$draft_to_deleted_delay[5].'S'
);
$now = new DateTime();

// Calculate time left
if($post->post_status == 'publish') {
$dt = new DateTime($first_publish);
$dt->add($published_to_draft_delay);
} else {
if(empty($expirationDate)) {
return '';
}
$dt = new DateTime($expirationDate);
$dt->add($draft_to_deleted_delay);
}
$et = date_diff($dt, $now);
$expirationTimeString = (($et->y > 0) ? $et->format('y') . ' years, ' : '') .
(($et->m > 0) ? $et->format('y') . ' months, ' : '') .
(($et->d > 0) ? $et->format('m') . ' days, ' : '') .
(($et->h > 0) ? $et->format('h') . ' hours, ' : '') .
(($et->i > 0) ? $et->format('i') . ' minutes, ' : '') .
(($et->s > 0) ? $et->format('s') . ' seconds, ' : '');
$expirationTimeString = substr($expirationTimeString, 0, -2);


// Return HTML
return '<i class="fa fa-clock-o" data-toggle="tooltip" title="' . __( 'Property gets deleted on', 'tt' ) . ' ' . $expirationTimeString . '"></i>';
}

然后在您的模板中执行 echo getExpirationInfos($post); 以显示到期日期。

关于php - 如何使用 WP 帖子状态转换来处理帖子到期日期,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32052361/

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