Viewing file:  query-pagination-previous.php (2.12 KB) -rw-rw-r--
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<?php
/**
* Server-side rendering of the `core/query-pagination-previous` block.
*
* @package WordPress
*/
/**
* Renders the `core/query-pagination-previous` block on the server.
*
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param WP_Block $block Block instance.
*
* @return string Returns the previous posts link for the query.
*/
function render_block_core_query_pagination_previous( $attributes, $content, $block ) {
$page_key = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page';
$page = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ];
$wrapper_attributes = get_block_wrapper_attributes();
$default_label = __( 'Previous Page' );
$label = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? esc_html( $attributes['label'] ) : $default_label;
$pagination_arrow = get_query_pagination_arrow( $block, false );
if ( $pagination_arrow ) {
$label = $pagination_arrow . $label;
}
$content = '';
// Check if the pagination is for Query that inherits the global context
// and handle appropriately.
if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
$filter_link_attributes = function() use ( $wrapper_attributes ) {
return $wrapper_attributes;
};
add_filter( 'previous_posts_link_attributes', $filter_link_attributes );
$content = get_previous_posts_link( $label );
remove_filter( 'previous_posts_link_attributes', $filter_link_attributes );
} elseif ( 1 !== $page ) {
$content = sprintf(
'<a href="%1$s" %2$s>%3$s</a>',
esc_url( add_query_arg( $page_key, $page - 1 ) ),
$wrapper_attributes,
$label
);
}
return $content;
}
/**
* Registers the `core/query-pagination-previous` block on the server.
*/
function register_block_core_query_pagination_previous() {
register_block_type_from_metadata(
__DIR__ . '/query-pagination-previous',
array(
'render_callback' => 'render_block_core_query_pagination_previous',
)
);
}
add_action( 'init', 'register_block_core_query_pagination_previous' );
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