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adjacent_image_link › WordPress Function
Od2.5.0
Przestarzałyn/a
› adjacent_image_link ( $prev = true, $size = 'thumbnail', $text = false )
Parametry: (3) |
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Zdefiniowane na: |
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Codex: |
Displays next or previous image link that has the same post parent.
Retrieves the current attachment object from the $post global.
Powiązane Funkcje: next_image_link, adjacent_post_link, adjacent_posts_rel_link, get_page_link, get_adjacent_post_link
Źródło
function adjacent_image_link( $prev = true, $size = 'thumbnail', $text = false ) { $post = get_post(); $attachments = array_values( get_children( array( 'post_parent' => $post->post_parent, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID', ) ) ); foreach ( $attachments as $k => $attachment ) { if ( intval( $attachment->ID ) === intval( $post->ID ) ) { break; } } $output = ''; $attachment_id = 0; if ( $attachments ) { $k = $prev ? $k - 1 : $k + 1; if ( isset( $attachments[ $k ] ) ) { $attachment_id = $attachments[ $k ]->ID; $output = wp_get_attachment_link( $attachment_id, $size, true, false, $text ); } } $adjacent = $prev ? 'previous' : 'next'; /** * Filters the adjacent image link. * * The dynamic portion of the hook name, `$adjacent`, refers to the type of adjacency, * either 'next', or 'previous'. * * @since 3.5.0 * * @param string $output Adjacent image HTML markup. * @param int $attachment_id Attachment ID * @param string $size Image size. * @param string $text Link text. */ echo apply_filters( "{$adjacent}_image_link", $output, $attachment_id, $size, $text ); }