convert to plugins+theme
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OldTaoge
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<?php
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/**
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* 招新文章标记：ACF “招新文章标记” 字段组、is_recruitment_article 判定、
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* 编辑页 meta box、以及“加入我们”页顶部招新新闻 feed。
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* 抽离自主题 functions.php（lift-and-shift，逻辑未改）。
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*/
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if (!defined('ABSPATH')) {
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exit;
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}
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function itstudio_register_acf_fields() {
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if (!function_exists('acf_add_local_field_group')) {
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return;
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}
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acf_add_local_field_group(array(
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'key' => 'group_itstudio_recruitment_article',
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'title' => '招新文章标记',
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'fields' => array(
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array(
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'key' => 'field_itstudio_is_recruitment_article',
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'label' => '是否为招新文章',
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'name' => 'itstudio_is_recruitment_article',
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'type' => 'true_false',
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'instructions' => '勾选后，该文章会在“加入我们”页面顶部新闻条中显示（按发布时间排序）。',
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'required' => 0,
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'default_value' => 0,
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'ui' => 1,
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'ui_on_text' => '是',
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'ui_off_text' => '否',
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),
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),
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'location' => array(
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array(
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array(
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'param' => 'post_type',
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'operator' => '==',
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'value' => 'announcement',
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),
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),
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array(
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array(
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'param' => 'post_type',
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'operator' => '==',
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'value' => 'news',
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),
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),
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array(
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array(
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'param' => 'post_type',
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'operator' => '==',
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'value' => 'post',
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),
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),
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),
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'position' => 'side',
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'style' => 'default',
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'active' => true,
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'show_in_rest' => 1,
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));
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}
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add_action('acf/init', 'itstudio_register_acf_fields');
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function itstudio_get_recruitment_article_meta_key() {
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return 'itstudio_is_recruitment_article';
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}
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function itstudio_normalize_recruitment_flag($value) {
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if (is_bool($value)) {
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return $value;
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}
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if (is_numeric($value)) {
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return ((int) $value) > 0;
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}
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$value = strtolower(trim((string) $value));
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return in_array($value, array('1', 'true', 'yes', 'on', 'y'), true);
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}
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function itstudio_is_recruitment_article($post_id) {
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$post_id = (int) $post_id;
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if ($post_id <= 0) {
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return false;
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}
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$meta_key = itstudio_get_recruitment_article_meta_key();
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$meta_keys = array(
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$meta_key,
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'_itstudio_is_recruitment_article',
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'itstudio_join_article',
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'join_recruitment_article',
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'is_recruitment_article',
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);
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foreach ($meta_keys as $key) {
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$raw = get_post_meta($post_id, $key, true);
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if ($raw !== '' && $raw !== null && itstudio_normalize_recruitment_flag($raw)) {
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return true;
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}
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}
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if (function_exists('get_field')) {
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$acf_keys = array(
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'itstudio_is_recruitment_article',
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'is_recruitment_article',
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'itstudio_join_article',
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);
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foreach ($acf_keys as $acf_key) {
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$raw = get_field($acf_key, $post_id, false);
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if ($raw !== '' && $raw !== null && itstudio_normalize_recruitment_flag($raw)) {
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return true;
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}
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}
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}
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return false;
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}
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function itstudio_add_recruitment_meta_boxes() {
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$screens = array('announcement', 'news', 'post');
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foreach ($screens as $screen) {
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add_meta_box(
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'itstudio_recruitment_flag',
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__('招新文章', 'itstudio'),
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'itstudio_render_recruitment_meta_box',
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$screen,
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'side',
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'high'
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);
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}
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}
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add_action('add_meta_boxes', 'itstudio_add_recruitment_meta_boxes');
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function itstudio_render_recruitment_meta_box($post) {
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$meta_key = itstudio_get_recruitment_article_meta_key();
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$checked = itstudio_is_recruitment_article((int) $post->ID);
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wp_nonce_field('itstudio_save_recruitment_meta', 'itstudio_recruitment_meta_nonce');
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?>
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<p>
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<label for="itstudio_is_recruitment_article">
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<input
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type="checkbox"
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id="itstudio_is_recruitment_article"
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name="itstudio_is_recruitment_article"
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value="1"
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<?php checked($checked); ?>
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>
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<?php esc_html_e('在加入我们页面显示为招新新闻', 'itstudio'); ?>
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</label>
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</p>
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<p style="color:#666;line-height:1.5;margin:0;">
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<?php esc_html_e('仅显示当年且已发布的招新文章，最多展示 5 篇。', 'itstudio'); ?>
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</p>
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<input type="hidden" name="itstudio_recruitment_meta_key" value="<?php echo esc_attr($meta_key); ?>">
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<?php
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}
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function itstudio_save_recruitment_meta_box($post_id) {
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if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
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return;
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}
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if (wp_is_post_revision($post_id) || wp_is_post_autosave($post_id)) {
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return;
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}
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if (!isset($_POST['itstudio_recruitment_meta_nonce'])) {
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return;
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}
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$nonce = sanitize_text_field(wp_unslash($_POST['itstudio_recruitment_meta_nonce']));
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if (!wp_verify_nonce($nonce, 'itstudio_save_recruitment_meta')) {
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return;
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}
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$post_type = get_post_type($post_id);
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if (!in_array($post_type, array('announcement', 'news', 'post'), true)) {
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return;
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}
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if (!current_user_can('edit_post', $post_id)) {
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return;
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}
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$meta_key = itstudio_get_recruitment_article_meta_key();
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$checked = isset($_POST['itstudio_is_recruitment_article'])
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? sanitize_text_field(wp_unslash($_POST['itstudio_is_recruitment_article']))
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: '';
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if (itstudio_normalize_recruitment_flag($checked)) {
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update_post_meta($post_id, $meta_key, '1');
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} else {
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delete_post_meta($post_id, $meta_key);
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}
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}
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add_action('save_post', 'itstudio_save_recruitment_meta_box');
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function itstudio_join_get_recruitment_feed_items($join_runtime = array(), $limit = 5) {
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$limit = max(1, min(10, (int) $limit));
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$join_runtime = is_array($join_runtime) ? $join_runtime : array();
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$now = new DateTimeImmutable('now', wp_timezone());
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$now_year = (int) $now->format('Y');
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$display_year = isset($join_runtime['recruitment_year']) && is_numeric($join_runtime['recruitment_year'])
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? (int) $join_runtime['recruitment_year']
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: $now_year;
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$season_start_ts = null;
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$season_end_ts = null;
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$stages = isset($join_runtime['stages']) && is_array($join_runtime['stages']) ? $join_runtime['stages'] : array();
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foreach ($stages as $stage) {
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if (!is_array($stage)) {
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continue;
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}
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$start_ts = isset($stage['start_ts']) && is_numeric($stage['start_ts']) ? (int) $stage['start_ts'] : null;
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$end_ts = isset($stage['end_ts']) && is_numeric($stage['end_ts']) ? (int) $stage['end_ts'] : null;
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if ($start_ts !== null && ($season_start_ts === null || $start_ts < $season_start_ts)) {
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$season_start_ts = $start_ts;
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}
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if ($end_ts !== null && ($season_end_ts === null || $end_ts > $season_end_ts)) {
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$season_end_ts = $end_ts;
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}
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}
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$now_ts = (int) (isset($join_runtime['now_ts']) && is_numeric($join_runtime['now_ts']) ? $join_runtime['now_ts'] : ((int) $now->format('U') * 1000));
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if ($season_start_ts !== null && $now_ts < $season_start_ts && $display_year > $now_year) {
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// 下年招新未开始：继续展示本年招新资讯
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$display_year = $now_year;
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}
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$query = new WP_Query(array(
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'post_type' => array('announcement', 'news', 'post'),
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'post_status' => 'publish',
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'posts_per_page' => 80,
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'orderby' => 'date',
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'order' => 'DESC',
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'no_found_rows' => true,
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'ignore_sticky_posts' => true,
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'date_query' => array(
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array(
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'year' => $display_year,
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),
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),
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));
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$items = array();
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if ($query->have_posts()) {
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foreach ($query->posts as $post) {
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if (count($items) >= $limit) {
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break;
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}
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$post_id = (int) $post->ID;
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if (!itstudio_is_recruitment_article($post_id)) {
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continue;
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}
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$title = trim((string) get_the_title($post_id));
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$url = (string) get_permalink($post_id);
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if ($title === '' || $url === '') {
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continue;
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}
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$excerpt = function_exists('itstudio_get_post_excerpt_chars')
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? itstudio_get_post_excerpt_chars($post_id, 72)
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: wp_html_excerpt(trim(wp_strip_all_tags((string) get_post_field('post_excerpt', $post_id))), 72, '...');
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if ($excerpt === '') {
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$excerpt = '...';
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}
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$author_id = (int) get_post_field('post_author', $post_id);
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$author = trim((string) get_the_author_meta('display_name', $author_id));
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if ($author === '') {
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$author = 'Unknown';
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}
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$items[] = array(
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'id' => $post_id,
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'title' => $title,
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'excerpt' => $excerpt,
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'url' => $url,
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'date' => get_the_date('Y-m-d H:i', $post_id),
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'date_iso' => get_the_date('c', $post_id),
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'author' => $author,
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'type' => get_post_type($post_id),
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);
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}
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}
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wp_reset_postdata();
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return array(
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'display_year' => $display_year,
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'items' => $items,
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);
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}
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