関数リファレンス/has post thumbnail

Description

Returns a boolean if post has an image attached (true) or not (false).

Note: To enable post thumbnails, the current theme must include add_theme_support( 'post-thumbnails' ); in its functions.php file.

Usage

%%% <?php has_post_thumbnail( $post_id ); ?> %%%

Parameters

$post_id

（int） （Optional） Post ID.

初期値： 'ID', the post ID.

Examples

This script asks if there is, actually, a thumbnail in the post. If it's not, it will put a default image.

<?php 
//This must be in one loop

if(has_post_thumbnail()) {
	the_post_thumbnail();
} else {
	echo '<img src="'.get_bloginfo("template_url").'/images/img-default.png" />';
}
?>

Change Log

Since: 2.9.0

Source File

has_post_thumbnail() is located in wp-includes/post-thumbnail-template.php.

最新英語版： WordPress Codex » Template Tags/has_post_thumbnail （最新版との差分）

Related

投稿サムネイル: has_post_thumbnail, the_post_thumbnail, get_post_thumbnail_id, get_the_post_thumbnail, add_image_size(), set_post_thumbnail_size()

関数リファレンス、テンプレートタグ目次もご覧ください。