描述:
通过页面的路径获取页面信息
用法:
<?php get_page_by_path( $page_path, $output, $post_type ); ?>
参数:
$page_path
(string) (必填) 页面路径
默认值: None
$output
(string) (可选) 输出类型。OBJECT(对象), ARRAY_N, 或 ARRAY_A.、数组N或数组A。
默认值: OBJECT(对象)
$post_type
(string or array) (可选) 自定义文章类型
默认值: 'page'
示例:
get_page_by_path('parent-page/sub-page');
源文件:
/**
* Retrieves a page given its path.
*
* @since 2.1.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $page_path Page path.
* @param string $output Optional. Output type. Accepts OBJECT, ARRAY_N, or ARRAY_A.
* Default OBJECT.
* @param string|array $post_type Optional. Post type or array of post types. Default 'page'.
* @return WP_Post|array|void WP_Post on success.
*/
function get_page_by_path( $page_path, $output = OBJECT, $post_type = 'page' ) {
global $wpdb;
$page_path = rawurlencode(urldecode($page_path));
$page_path = str_replace('%2F', '/', $page_path);
$page_path = str_replace('%20', ' ', $page_path);
$parts = explode( '/', trim( $page_path, '/' ) );
$parts = esc_sql( $parts );
$parts = array_map( 'sanitize_title_for_query', $parts );
$in_string = "'" . implode( "','", $parts ) . "'";
if ( is_array( $post_type ) ) {
$post_types = $post_type;
} else {
$post_types = array( $post_type, 'attachment' );
}
$post_types = esc_sql( $post_types );
$post_type_in_string = "'" . implode( "','", $post_types ) . "'";
$sql = "
SELECT ID, post_name, post_parent, post_type
FROM $wpdb->posts
WHERE post_name IN ($in_string)
AND post_type IN ($post_type_in_string)
";
$pages = $wpdb->get_results( $sql, OBJECT_K );
$revparts = array_reverse( $parts );
$foundid = 0;
foreach ( (array) $pages as $page ) {
if ( $page->post_name == $revparts[0] ) {
$count = 0;
$p = $page;
while ( $p->post_parent != 0 && isset( $pages[ $p->post_parent ] ) ) {
$count++;
$parent = $pages[ $p->post_parent ];
if ( ! isset( $revparts[ $count ] ) || $parent->post_name != $revparts[ $count ] )
break;
$p = $parent;
}
if ( $p->post_parent == 0 && $count+1 == count( $revparts ) && $p->post_name == $revparts[ $count ] ) {
$foundid = $page->ID;
if ( $page->post_type == $post_type )
break;
}
}
}
if ( $foundid ) {
return get_post( $foundid, $output );
}
}