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wp_get_attachment_thumb_url › WordPress Function
Since2.1.0
已弃用n/a
› wp_get_attachment_thumb_url ( $post_id = 0 )
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Retrieve URL for an attachment thumbnail.
源码
function wp_get_attachment_thumb_url( $post_id = 0 ) { $post_id = (int) $post_id; if ( ! $post = get_post( $post_id ) ) { return false; } if ( ! $url = wp_get_attachment_url( $post->ID ) ) { return false; } $sized = image_downsize( $post_id, 'thumbnail' ); if ( $sized ) { return $sized[0]; } if ( ! $thumb = wp_get_attachment_thumb_file( $post->ID ) ) { return false; } $url = str_replace( basename( $url ), basename( $thumb ), $url ); /** * Filters the attachment thumbnail URL. * * @since 2.1.0 * * @param string $url URL for the attachment thumbnail. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_thumb_url', $url, $post->ID ); }