) : 0; $pagenum = \max( 1, $pagenum ); /* * Arrange pages into two parts: top level pages and children_pages * children_pages is two dimensional array, eg. * children_pages[10][] contains all sub-pages whose parent is 10. * It only takes O( N ) to arrange this and it takes O( 1 ) for subsequent lookup operations * If searching, ignore hierarchy and treat everything as top level */ if ( empty( $_REQUEST['s'] ) ) { $top_level_pages = []; $children_pages = []; $pages_map = []; foreach ( $pages as $page ) { // Catch and repair bad pages. if ( $page->post_parent === $page->ID ) { $page->post_parent = 0; } if ( $page->post_parent === 0 ) { $top_level_pages[] = $page; } else { $children_pages[ $page->post_parent ][] = $page; } $pages_map[ $page->ID ] = $page; } $pages = $top_level_pages; } $count = 0; $start = ( ( $pagenum - 1 ) * $per_page ); $end = ( $start + $per_page ); $to_display = []; foreach ( $pages as $page ) { if ( $count >= $end ) { break; } if ( $count >= $start ) { $to_display[] = $page->ID; } ++$count; $this->get_child_page_ids( $children_pages, $count, $page->ID, $start, $end, $to_display, $pages_map ); } // If it is the last pagenum and there are orphaned pages, display them with paging as well. if ( isset( $children_pages ) && $count < $end ) { foreach ( $children_pages as $orphans ) { foreach ( $orphans as $op ) { if ( $count >= $end ) { break; } if ( $count >= $start ) { $to_display[] = $op->ID; } ++$count; } } } return $to_display; } /** * Adds all child pages due to be shown on the current page to the $to_display array. * Copied over with some changes from WP_Posts_List_Table::_page_rows. * * @param array $children_pages The full map of child pages. * @param int $count The number of pages already processed. * @param int $parent_id The id of the parent that's currently being processed. * @param int $start The number at which the current overview starts. * @param int $end The number at which the current overview ends. * @param int $to_display The page IDs to be shown. * @param int $pages_map A map of page ID to an object with ID and post_parent. * * @return void */ private function get_child_page_ids( &$children_pages, &$count, $parent_id, $start, $end, &$to_display, &$pages_map ) { if ( ! isset( $children_pages[ $parent_id ] ) ) { return; } foreach ( $children_pages[ $parent_id ] as $page ) { if ( $count >= $end ) { break; } // If the page starts in a subtree, print the parents. if ( $count === $start && $page->post_parent > 0 ) { $my_parents = []; $my_parent = $page->post_parent; while ( $my_parent ) { // Get the ID from the list or the attribute if my_parent is an object. $parent_id = $my_parent; if ( \is_object( $my_parent ) ) { $parent_id = $my_parent->ID; } $my_parent = $pages_map[ $parent_id ]; $my_parents[] = $my_parent; if ( ! $my_parent->post_parent ) { break; } $my_parent = $my_parent->post_parent; } while ( $my_parent = \array_pop( $my_parents ) ) { $to_display[] = $my_parent->ID; } } if ( $count >= $start ) { $to_display[] = $page->ID; } ++$count; $this->get_child_page_ids( $children_pages, $count, $page->ID, $start, $end, $to_display, $pages_map ); } unset( $children_pages[ $parent_id ] ); // Required in order to keep track of orphans. } } Living Archives | Page 2 of 2 | James Douglas Sales & Lettings
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19 April 2016

Pineapple in Winter

On the other hand, we denounce with righteous indignation and dislike men who are so beguiled and demoralized by...

by LobAdmin
15 April 2016

Welcome Summer

On the other hand, we denounce with righteous indignation and dislike men who are so beguiled and demoralized by...

by LobAdmin
15 April 2016

Country Roads

On the other hand, we denounce with righteous indignation and dislike men who are so beguiled and demoralized by...

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15 April 2016

Long Distance Friends

On the other hand, we denounce with righteous indignation and dislike men who are so beguiled and demoralized by...

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14 April 2016

Morning Routine

On the other hand, we denounce with righteous indignation and dislike men who are so beguiled and demoralized by...

by LobAdmin