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Source View: wp_get_attachment_thumb_url

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Line Code
3029      $sized = image_downsize( $post_id, 'thumbnail' );
3030      if ( $sized )
3031           return $sized[0];
3032
3033      if ( !$thumb = wp_get_attachment_thumb_file( $post->ID ) )
3034           return false;
3035
3036      $url = str_replace(basename($url), basename($thumb), $url);
3037
3038      return apply_filters( 'wp_get_attachment_thumb_url', $url, $post->ID );
3039 }
3040
3041 /**
3042  * Check if the attachment is an image.
3043  *
3044  * @since 2.1.0
3045  *
3046  * @param int $post_id Attachment ID
3047  * @return bool