get_previous_comments_link( string $label = '', int|null $page = null ): string|void

Source

function get_previous_comments_link( $label = '', $page = null ) {
	if ( ! is_singular() ) {
		return;
	}

	if ( is_null( $page ) ) {
		$page = get_query_var( 'cpage' );
	}

	if ( (int) $page <= 1 ) {
		return;
	}

	$previous_page = (int) $page - 1;

	if ( empty( $label ) ) {
		$label = __( '&laquo; Older Comments' );
	}

	/**
	 * Filters the anchor tag attributes for the previous comments page link.
	 *
	 * @since 2.7.0
	 *
	 * @param string $attributes Attributes for the anchor tag.
	 */
	$attr = apply_filters( 'previous_comments_link_attributes', '' );

	return sprintf(
		'<a href="%1$s" %2$s>%3$s</a>',
		esc_url( get_comments_pagenum_link( $previous_page ) ),
		$attr,
		preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&#038;$1', $label )
	);
}

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