wordpress函数get_all_page_ids()用法示例

get_all_page_ids()

Get a list of page IDs.

描述

返回值

(array) List of page IDs.

源代码

File: wp-includes/post.php

function get_all_page_ids() {
	global $wpdb;

	$page_ids = wp_cache_get('all_page_ids', 'posts');
	if ( ! is_array( $page_ids ) ) {
		$page_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_type = 'page'");
		wp_cache_add('all_page_ids', $page_ids, 'posts');
	}

	return $page_ids;
}

更新日志

相关函数

Uses

• wp-includes/cache.php:
  wp_cache_get()
• wp-includes/cache.php:
  wp_cache_add()
• wp-includes/wp-db.php:
  wpdb::get_col()

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   Contributed by Codex

   Basic Example

   
   <?php
   $page_ids=get_all_page_ids();
   echo '<h3>My Page List :</h3>';
   foreach($page_ids as $page)
   {
   	echo '<br />'.get_the_title($page);
   }
   
   ?>