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Edit File: CleantalkListTable.php

<?php

namespace Cleantalk\ApbctWP;

/**
 * This is copy of the WP_List_Table class for the future compability
 */

/**
 * Administration API: WP_List_Table class
 *
 * @package WordPress
 * @subpackage List_Table
 * @since 3.1.0
 */

/**
 * Base class for displaying a list of items in an ajaxified HTML table.
 *
 * @since 3.1.0
 * @access private
 */
class CleantalkListTable {

/**
     * The current list of items.
     *
     * @since 3.1.0
     * @var array
     */
    public $items;

/**
     * Various information about the current table.
     *
     * @since 3.1.0
     * @var array
     */
    protected $_args;

/**
     * Various information needed for displaying the pagination.
     *
     * @since 3.1.0
     * @var array
     */
    protected $_pagination_args = array();

/**
     * The current screen.
     *
     * @since 3.1.0
     * @var \WP_Screen
     */
    protected $screen;

/**
     * Cached bulk actions.
     *
     * @since 3.1.0
     * @var array
     */
    private $_actions;

/**
     * Cached pagination output.
     *
     * @since 3.1.0
     * @var string
     */
    private $_pagination;

/**
     * The view switcher modes.
     *
     * @since 4.1.0
     * @var array
     */
    protected $modes = array();

/**
     * Stores the value returned by ->get_column_info().
     *
     * @since 4.1.0
     * @var array
     */
    protected $_column_headers;

/**
     * {@internal Missing Summary}
     *
     * @var array
     */
    protected $compat_fields = array( '_args', '_pagination_args', 'screen', '_actions', '_pagination' );

/**
     * {@internal Missing Summary}
     *
     * @var array
     */
    protected $compat_methods = array(
        'set_pagination_args',
        'get_views',
        'get_bulk_actions',
        'bulk_actions',
        'row_actions',
        'months_dropdown',
        'view_switcher',
        'comments_bubble',
        'get_items_per_page',
        'pagination',
        'get_sortable_columns',
        'get_column_info',
        'get_table_classes',
        'display_tablenav',
        'extra_tablenav',
        'single_row_columns',
    );

/**
     * Constructor.
     *
     * The child class should call this constructor from its own constructor to override
     * the default $args.
     *
     * @since 3.1.0
     *
     * @param array|string $args {
     *     Array or string of arguments.
     *
     *     @type string $plural   Plural value used for labels and the objects being listed.
     *                            This affects things such as CSS class-names and nonces used
     *                            in the list table, e.g. 'posts'. Default empty.
     *     @type string $singular Singular label for an object being listed, e.g. 'post'.
     *                            Default empty
     *     @type bool   $ajax     Whether the list table supports Ajax. This includes loading
     *                            and sorting data, for example. If true, the class will call
     *                            the _js_vars() method in the footer to provide variables
     *                            to any scripts handling Ajax events. Default false.
     *     @type string $screen   String containing the hook name used to determine the current
     *                            screen. If left null, the current screen will be automatically set.
     *                            Default null.
     * }
     */
    public function __construct( $args = array() ) {
        $args = wp_parse_args(
            $args,
            array(
                'plural'   => '',
                'singular' => '',
                'ajax'     => false,
                'screen'   => null,
            )
        );

$this->screen = convert_to_screen( $args['screen'] );

add_filter( "manage_{$this->screen->id}_columns", array( $this, 'get_columns' ), 0 );

if ( ! $args['plural'] ) {
            $args['plural'] = $this->screen->base;
        }

$args['plural']   = sanitize_key( $args['plural'] );
        $args['singular'] = sanitize_key( $args['singular'] );

$this->_args = $args;

if ( $args['ajax'] ) {
            add_action( 'admin_footer', array( $this, '_js_vars' ) );
        }

if ( empty( $this->modes ) ) {
            $this->modes = array(
                'list'    => __( 'Compact view' ),
                'excerpt' => __( 'Extended view' ),
            );
        }
    }

/**
     * Make private properties readable for backward compatibility.
     *
     * @since 4.0.0
     *
     * @param string $name Property to get.
     * @return mixed Property.
     */
    public function __get( $name ) {
        if ( in_array( $name, $this->compat_fields, true ) ) {
            return $this->$name;
        }
    }

/**
     * Make private properties settable for backward compatibility.
     *
     * @since 4.0.0
     *
     * @param string $name  Property to check if set.
     * @param mixed  $value Property value.
     * @return mixed Newly-set property.
     */
    public function __set( $name, $value ) {
        if ( in_array( $name, $this->compat_fields, true ) ) {
            return $this->$name = $value;
        }
    }

/**
     * Make private properties checkable for backward compatibility.
     *
     * @since 4.0.0
     *
     * @param string $name Property to check if set.
     * @return bool Whether the property is a back-compat property and it is set.
     */
    public function __isset( $name ) {
        if ( in_array( $name, $this->compat_fields, true ) ) {
            return isset( $this->$name );
        }

return false;
    }

/**
     * Make private properties un-settable for backward compatibility.
     *
     * @since 4.0.0
     *
     * @param string $name Property to unset.
     */
    public function __unset( $name ) {
        if ( in_array( $name, $this->compat_fields, true ) ) {
            unset( $this->$name );
        }
    }

/**
     * Make private/protected methods readable for backward compatibility.
     *
     * @since 4.0.0
     *
     * @param string $name      Method to call.
     * @param array  $arguments Arguments to pass when calling.
     * @return mixed|bool Return value of the callback, false otherwise.
     */
    public function __call( $name, $arguments ) {
        if ( in_array( $name, $this->compat_methods, true ) ) {
            return $this->$name( ...$arguments );
        }
        return false;
    }

/**
     * Checks the current user's permissions
     *
     * @since 3.1.0
     * @abstract
     */
    public function ajax_user_can() {
        die( 'function WP_List_Table::ajax_user_can() must be overridden in a subclass.' );
    }

/**
     * Prepares the list of items for displaying.
     *
     * @uses WP_List_Table::set_pagination_args()
     *
     * @since 3.1.0
     * @abstract
     */
    public function prepare_items() {
        die( 'function WP_List_Table::prepare_items() must be overridden in a subclass.' );
    }

/**
     * An internal method that sets all the necessary pagination arguments
     *
     * @since 3.1.0
     *
     * @param array|string $args Array or string of arguments with information about the pagination.
     */
    protected function set_pagination_args( $args ) {
        $args = wp_parse_args(
            $args,
            array(
                'total_items' => 0,
                'total_pages' => 0,
                'per_page'    => 0,
            )
        );

if ( ! $args['total_pages'] && $args['per_page'] > 0 ) {
            $args['total_pages'] = ceil( $args['total_items'] / $args['per_page'] );
        }

// Redirect if page number is invalid and headers are not already sent.
        if ( ! headers_sent() && ! wp_doing_ajax() && $args['total_pages'] > 0 && $this->get_pagenum() > $args['total_pages'] ) {
            wp_redirect( add_query_arg( 'paged', $args['total_pages'] ) );
            exit;
        }

$this->_pagination_args = $args;
    }

/**
     * Access the pagination args.
     *
     * @since 3.1.0
     *
     * @param string $key Pagination argument to retrieve. Common values include 'total_items',
     *                    'total_pages', 'per_page', or 'infinite_scroll'.
     * @return int Number of items that correspond to the given pagination argument.
     */
    public function get_pagination_arg( $key ) {
        if ( 'page' === $key ) {
            return $this->get_pagenum();
        }

if ( isset( $this->_pagination_args[ $key ] ) ) {
            return $this->_pagination_args[ $key ];
        }

return 0;
    }

/**
     * Whether the table has items to display or not
     *
     * @since 3.1.0
     *
     * @return bool
     */
    public function has_items() {
        return ! empty( $this->items );
    }

/**
     * Message to be displayed when there are no items
     *
     * @since 3.1.0
     */
    public function no_items() {
        _e( 'No items found.' );
    }

/**
     * Displays the search box.
     *
     * @since 3.1.0
     *
     * @param string $text     The 'submit' button label.
     * @param string $input_id ID attribute value for the search input field.
     */
    public function search_box( $text, $input_id ) {
        if ( empty( $_REQUEST['s'] ) && ! $this->has_items() ) {
            return;
        }

$input_id = $input_id . '-search-input';

if ( ! empty( $_REQUEST['orderby'] ) ) {
            echo '<input type="hidden" name="orderby" value="' . esc_attr( $_REQUEST['orderby'] ) . '" />';
        }
        if ( ! empty( $_REQUEST['order'] ) ) {
            echo '<input type="hidden" name="order" value="' . esc_attr( $_REQUEST['order'] ) . '" />';
        }
        if ( ! empty( $_REQUEST['post_mime_type'] ) ) {
            echo '<input type="hidden" name="post_mime_type" value="' . esc_attr( $_REQUEST['post_mime_type'] ) . '" />';
        }
        if ( ! empty( $_REQUEST['detached'] ) ) {
            echo '<input type="hidden" name="detached" value="' . esc_attr( $_REQUEST['detached'] ) . '" />';
        }
        ?>
        <p class="search-box">
            <label class="screen-reader-text" for="<?php echo esc_attr( $input_id ); ?>"><?php echo $text; ?>:</label>
            <input type="search" id="<?php echo esc_attr( $input_id ); ?>" name="s" value="<?php _admin_search_query(); ?>" />
            <?php submit_button( $text, '', '', false, array( 'id' => 'search-submit' ) ); ?>
        </p>
        <?php
    }

/**
     * Gets the list of views available on this table.
     *
     * The format is an associative array:
     * - `'id' => 'link'`
     *
     * @since 3.1.0
     *
     * @return array
     */
    protected function get_views() {
        return array();
    }

/**
     * Displays the list of views available on this table.
     *
     * @since 3.1.0
     */
    public function views() {
        $views = $this->get_views();
        /**
         * Filters the list of available list table views.
         *
         * The dynamic portion of the hook name, `$this->screen->id`, refers
         * to the ID of the current screen.
         *
         * @since 3.1.0
         *
         * @param string[] $views An array of available list table views.
         */
        $views = apply_filters( "views_{$this->screen->id}", $views );

if ( empty( $views ) ) {
            return;
        }

$this->screen->render_screen_reader_content( 'heading_views' );

echo "<ul class='subsubsub'>\n";
        foreach ( $views as $class => $view ) {
            $views[ $class ] = "\t<li class='$class'>$view";
        }
        echo implode( " |</li>\n", $views ) . "</li>\n";
        echo '</ul>';
    }

/**
     * Retrieves the list of bulk actions available for this table.
     *
     * The format is an associative array where each element represents either a top level option value and label, or
     * an array representing an optgroup and its options.
     *
     * For a standard option, the array element key is the field value and the array element value is the field label.
     *
     * For an optgroup, the array element key is the label and the array element value is an associative array of
     * options as above.
     *
     * Example:
     *
     *     [
     *         'edit'         => 'Edit',
     *         'delete'       => 'Delete',
     *         'Change State' => [
     *             'feature' => 'Featured',
     *             'sale'    => 'On Sale',
     *         ]
     *     ]
     *
     * @since 3.1.0
     * @since 5.6.0 A bulk action can now contain an array of options in order to create an optgroup.
     *
     * @return array
     */
    protected function get_bulk_actions() {
        return array();
    }

/**
     * Displays the bulk actions dropdown.
     *
     * @since 3.1.0
     *
     * @param string $which The location of the bulk actions: 'top' or 'bottom'.
     *                      This is designated as optional for backward compatibility.
     */
    protected function bulk_actions( $which = '' ) {
        if ( is_null( $this->_actions ) ) {
            $this->_actions = $this->get_bulk_actions();

/**
             * Filters the items in the bulk actions menu of the list table.
             *
             * The dynamic portion of the hook name, `$this->screen->id`, refers
             * to the ID of the current screen.
             *
             * @since 3.1.0
             * @since 5.6.0 A bulk action can now contain an array of options in order to create an optgroup.
             *
             * @param array $actions An array of the available bulk actions.
             */
            $this->_actions = apply_filters( "bulk_actions-{$this->screen->id}", $this->_actions ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores

$two = '';
        } else {
            $two = '2';
        }

if ( empty( $this->_actions ) ) {
            return;
        }

echo '<label for="bulk-action-selector-' . esc_attr( $which ) . '" class="screen-reader-text">' . __( 'Select bulk action' ) . '</label>';
        echo '<select name="action' . $two . '" id="bulk-action-selector-' . esc_attr( $which ) . "\">\n";
        echo '<option value="-1">' . __( 'Bulk actions' ) . "</option>\n";

foreach ( $this->_actions as $key => $value ) {
            if ( is_array( $value ) ) {
                echo "\t" . '<optgroup label="' . esc_attr( $key ) . '">' . "\n";

foreach ( $value as $name => $title ) {
                    $class = ( 'edit' === $name ) ? ' class="hide-if-no-js"' : '';

echo "\t\t" . '<option value="' . esc_attr( $name ) . '"' . $class . '>' . $title . "</option>\n";
                }
                echo "\t" . "</optgroup>\n";
            } else {
                $class = ( 'edit' === $key ) ? ' class="hide-if-no-js"' : '';

echo "\t" . '<option value="' . esc_attr( $key ) . '"' . $class . '>' . $value . "</option>\n";
            }
        }

echo "</select>\n";

submit_button( __( 'Apply' ), 'action', '', false, array( 'id' => "doaction$two" ) );
        echo "\n";
    }

/**
     * Gets the current action selected from the bulk actions dropdown.
     *
     * @since 3.1.0
     *
     * @return string|false The action name. False if no action was selected.
     */
    public function current_action() {
        if ( isset( $_REQUEST['filter_action'] ) && ! empty( $_REQUEST['filter_action'] ) ) {
            return false;
        }

if ( isset( $_REQUEST['action'] ) && -1 != $_REQUEST['action'] ) {
            return sanitize_text_field($_REQUEST['action']);
        }

return false;
    }

/**
     * Generates the required HTML for a list of row action links.
     *
     * @since 3.1.0
     *
     * @param string[] $actions        An array of action links.
     * @param bool     $always_visible Whether the actions should be always visible.
     * @return string The HTML for the row actions.
     */
    protected function row_actions( $actions, $always_visible = false ) {
        $action_count = count( $actions );

if ( ! $action_count ) {
            return '';
        }

$mode = get_user_setting( 'posts_list_mode', 'list' );

if ( 'excerpt' === $mode ) {
            $always_visible = true;
        }

$out = '<div class="' . ( $always_visible ? 'row-actions visible' : 'row-actions' ) . '">';

$i = 0;

foreach ( $actions as $action => $link ) {
            ++$i;

$sep = ( $i < $action_count ) ? ' | ' : '';

$out .= "<span class='$action'>$link$sep</span>";
        }

$out .= '</div>';

$out .= '<button type="button" class="toggle-row"><span class="screen-reader-text">' . __( 'Show more details' ) . '</span></button>';

return $out;
    }

/**
     * Displays a dropdown for filtering items in the list table by month.
     *
     * @since 3.1.0
     *
     * @global \wpdb      $wpdb      WordPress database abstraction object.
     * @global \WP_Locale $wp_locale WordPress date and time locale object.
     *
     * @param string $post_type The post type.
     */
    protected function months_dropdown( $post_type ) {
        global $wpdb, $wp_locale;

/**
         * Filters whether to remove the 'Months' drop-down from the post list table.
         *
         * @since 4.2.0
         *
         * @param bool   $disable   Whether to disable the drop-down. Default false.
         * @param string $post_type The post type.
         */
        if ( apply_filters( 'disable_months_dropdown', false, $post_type ) ) {
            return;
        }

/**
         * Filters to short-circuit performing the months dropdown query.
         *
         * @since 5.7.0
         *
         * @param object[]|false $months   'Months' drop-down results. Default false.
         * @param string         $post_type The post type.
         */
        $months = apply_filters( 'pre_months_dropdown_query', false, $post_type );

if ( ! is_array( $months ) ) {
            $extra_checks = "AND post_status != 'auto-draft'";
            if ( ! isset( $_GET['post_status'] ) || 'trash' !== $_GET['post_status'] ) {
                $extra_checks .= " AND post_status != 'trash'";
            } elseif ( isset( $_GET['post_status'] ) ) {
                $extra_checks = $wpdb->prepare( ' AND post_status = %s', $_GET['post_status'] );
            }

$months = $wpdb->get_results(
                $wpdb->prepare(
                    "
				SELECT DISTINCT YEAR( post_date ) AS year, MONTH( post_date ) AS month
				FROM $wpdb->posts
				WHERE post_type = %s
				$extra_checks
				ORDER BY post_date DESC
			",
                    $post_type
                )
            );
        }

/**
         * Filters the 'Months' drop-down results.
         *
         * @since 3.7.0
         *
         * @param object[] $months    Array of the months drop-down query results.
         * @param string   $post_type The post type.
         */
        $months = apply_filters( 'months_dropdown_results', $months, $post_type );

$month_count = count( $months );

if ( ! $month_count || ( 1 == $month_count && 0 == $months[0]->month ) ) {
            return;
        }

$m = isset( $_GET['m'] ) ? (int) $_GET['m'] : 0;
        ?>
        <label for="filter-by-date" class="screen-reader-text"><?php echo get_post_type_object( $post_type )->labels->filter_by_date; ?></label>
        <select name="m" id="filter-by-date">
            <option<?php selected( $m, 0 ); ?> value="0"><?php _e( 'All dates' ); ?></option>
            <?php
            foreach ( $months as $arc_row ) {
                if ( 0 == $arc_row->year ) {
                    continue;
                }

$month = zeroise( $arc_row->month, 2 );
                $year  = $arc_row->year;

printf(
                    "<option %s value='%s'>%s</option>\n",
                    selected( $m, $year . $month, false ),
                    esc_attr( $arc_row->year . $month ),
                    /* translators: 1: Month name, 2: 4-digit year. */
                    sprintf( __( '%1$s %2$d' ), $wp_locale->get_month( $month ), $year )
                );
            }
            ?>
        </select>
        <?php
    }

/**
     * Displays a view switcher.
     *
     * @since 3.1.0
     *
     * @param string $current_mode
     */
    protected function view_switcher( $current_mode ) {
        ?>
        <input type="hidden" name="mode" value="<?php echo esc_attr( $current_mode ); ?>" />
        <div class="view-switch">
            <?php
            foreach ( $this->modes as $mode => $title ) {
                $classes      = array( 'view-' . $mode );
                $aria_current = '';

if ( $current_mode === $mode ) {
                    $classes[]    = 'current';
                    $aria_current = ' aria-current="page"';
                }

printf(
                    "<a href='%s' class='%s' id='view-switch-$mode'$aria_current><span class='screen-reader-text'>%s</span></a>\n",
                    esc_url( remove_query_arg( 'attachment-filter', add_query_arg( 'mode', $mode ) ) ),
                    implode( ' ', $classes ),
                    $title
                );
            }
            ?>
        </div>
        <?php
    }

/**
     * Displays a comment count bubble.
     *
     * @since 3.1.0
     *
     * @param int $post_id          The post ID.
     * @param int $pending_comments Number of pending comments.
     */
    protected function comments_bubble( $post_id, $pending_comments ) {
        $approved_comments = get_comments_number();

$approved_comments_number = number_format_i18n( $approved_comments );
        $pending_comments_number  = number_format_i18n( $pending_comments );

$approved_only_phrase = sprintf(
        /* translators: %s: Number of comments. */
            _n( '%s comment', '%s comments', $approved_comments ),
            $approved_comments_number
        );

$approved_phrase = sprintf(
        /* translators: %s: Number of comments. */
            _n( '%s approved comment', '%s approved comments', $approved_comments ),
            $approved_comments_number
        );

$pending_phrase = sprintf(
        /* translators: %s: Number of comments. */
            _n( '%s pending comment', '%s pending comments', $pending_comments ),
            $pending_comments_number
        );

if ( ! $approved_comments && ! $pending_comments ) {
            // No comments at all.
            printf(
                '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">%s</span>',
                __( 'No comments' )
            );
        } elseif ( $approved_comments && 'trash' === get_post_status( $post_id ) ) {
            // Don't link the comment bubble for a trashed post.
            printf(
                '<span class="post-com-count post-com-count-approved"><span class="comment-count-approved" aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></span>',
                $approved_comments_number,
                $pending_comments ? $approved_phrase : $approved_only_phrase
            );
        } elseif ( $approved_comments ) {
            // Link the comment bubble to approved comments.
            printf(
                '<a href="%s" class="post-com-count post-com-count-approved"><span class="comment-count-approved" aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
                esc_url(
                    add_query_arg(
                        array(
                            'p'              => $post_id,
                            'comment_status' => 'approved',
                        ),
                        admin_url( 'edit-comments.php' )
                    )
                ),
                $approved_comments_number,
                $pending_comments ? $approved_phrase : $approved_only_phrase
            );
        } else {
            // Don't link the comment bubble when there are no approved comments.
            printf(
                '<span class="post-com-count post-com-count-no-comments"><span class="comment-count comment-count-no-comments" aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></span>',
                $approved_comments_number,
                $pending_comments ? __( 'No approved comments' ) : __( 'No comments' )
            );
        }

if ( $pending_comments ) {
            printf(
                '<a href="%s" class="post-com-count post-com-count-pending"><span class="comment-count-pending" aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
                esc_url(
                    add_query_arg(
                        array(
                            'p'              => $post_id,
                            'comment_status' => 'moderated',
                        ),
                        admin_url( 'edit-comments.php' )
                    )
                ),
                $pending_comments_number,
                $pending_phrase
            );
        } else {
            printf(
                '<span class="post-com-count post-com-count-pending post-com-count-no-pending"><span class="comment-count comment-count-no-pending" aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></span>',
                $pending_comments_number,
                $approved_comments ? __( 'No pending comments' ) : __( 'No comments' )
            );
        }
    }

/**
     * Gets the current page number.
     *
     * @since 3.1.0
     *
     * @return int
     */
    public function get_pagenum() {
        $pagenum = isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 0;

if ( isset( $this->_pagination_args['total_pages'] ) && $pagenum > $this->_pagination_args['total_pages'] ) {
            $pagenum = $this->_pagination_args['total_pages'];
        }

return max( 1, $pagenum );
    }

/**
     * Gets the number of items to display on a single page.
     *
     * @since 3.1.0
     *
     * @param string $option        User option name.
     * @param int    $default_value Optional. The number of items to display. Default 20.
     * @return int
     */
    protected function get_items_per_page( $option, $default_value = 20 ) {
        $per_page = (int) get_user_option( $option );
        if ( empty( $per_page ) || $per_page < 1 ) {
            $per_page = $default_value;
        }

/**
         * Filters the number of items to be displayed on each page of the list table.
         *
         * The dynamic hook name, `$option`, refers to the `per_page` option depending
         * on the type of list table in use. Possible filter names include:
         *
         *  - `edit_comments_per_page`
         *  - `sites_network_per_page`
         *  - `site_themes_network_per_page`
         *  - `themes_network_per_page'`
         *  - `users_network_per_page`
         *  - `edit_post_per_page`
         *  - `edit_page_per_page'`
         *  - `edit_{$post_type}_per_page`
         *  - `edit_post_tag_per_page`
         *  - `edit_category_per_page`
         *  - `edit_{$taxonomy}_per_page`
         *  - `site_users_network_per_page`
         *  - `users_per_page`
         *
         * @since 2.9.0
         *
         * @param int $per_page Number of items to be displayed. Default 20.
         */
        return (int) apply_filters( "{$option}", $per_page );
    }

/**
     * Displays the pagination.
     *
     * @since 3.1.0
     *
     * @param string $which
     */
    protected function pagination( $which ) {
        if ( empty( $this->_pagination_args ) ) {
            return;
        }

$total_items     = $this->_pagination_args['total_items'];
        $total_pages     = $this->_pagination_args['total_pages'];
        $infinite_scroll = false;
        if ( isset( $this->_pagination_args['infinite_scroll'] ) ) {
            $infinite_scroll = $this->_pagination_args['infinite_scroll'];
        }

if ( 'top' === $which && $total_pages > 1 ) {
            $this->screen->render_screen_reader_content( 'heading_pagination' );
        }

$output = '<span class="displaying-num">' . sprintf(
            /* translators: %s: Number of items. */
                _n( '%s item', '%s items', $total_items ),
                number_format_i18n( $total_items )
            ) . '</span>';

$current              = $this->get_pagenum();
        $removable_query_args = wp_removable_query_args();

$current_url = set_url_scheme( sanitize_url('http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']) );

$current_url = remove_query_arg( $removable_query_args, $current_url );

$page_links = array();

$total_pages_before = '<span class="paging-input">';
        $total_pages_after  = '</span></span>';

$disable_first = false;
        $disable_last  = false;
        $disable_prev  = false;
        $disable_next  = false;

if ( 1 == $current ) {
            $disable_first = true;
            $disable_prev  = true;
        }
        if ( $total_pages == $current ) {
            $disable_last = true;
            $disable_next = true;
        }

if ( $disable_first ) {
            $page_links[] = '<span class="tablenav-pages-navspan button disabled" aria-hidden="true">&laquo;</span>';
        } else {
            $page_links[] = sprintf(
                "<a class='first-page button' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
                esc_url( remove_query_arg( 'paged', $current_url ) ),
                __( 'First page' ),
                '&laquo;'
            );
        }

if ( $disable_prev ) {
            $page_links[] = '<span class="tablenav-pages-navspan button disabled" aria-hidden="true">&lsaquo;</span>';
        } else {
            $page_links[] = sprintf(
                "<a class='prev-page button' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
                esc_url( add_query_arg( 'paged', max( 1, $current - 1 ), $current_url ) ),
                __( 'Previous page' ),
                '&lsaquo;'
            );
        }

if ( 'bottom' === $which ) {
            $html_current_page  = $current;
            $total_pages_before = '<span class="screen-reader-text">' . __( 'Current Page' ) . '</span><span id="table-paging" class="paging-input"><span class="tablenav-paging-text">';
        } else {
            $html_current_page = sprintf(
                "%s<input class='current-page' id='current-page-selector' type='text' name='paged' value='%s' size='%d' aria-describedby='table-paging' /><span class='tablenav-paging-text'>",
                '<label for="current-page-selector" class="screen-reader-text">' . __( 'Current Page' ) . '</label>',
                $current,
                strlen( $total_pages )
            );
        }
        $html_total_pages = sprintf( "<span class='total-pages'>%s</span>", number_format_i18n( $total_pages ) );
        $page_links[]     = $total_pages_before . sprintf(
            /* translators: 1: Current page, 2: Total pages. */
                _x( '%1$s of %2$s', 'paging' ),
                $html_current_page,
                $html_total_pages
            ) . $total_pages_after;

if ( $disable_next ) {
            $page_links[] = '<span class="tablenav-pages-navspan button disabled" aria-hidden="true">&rsaquo;</span>';
        } else {
            $page_links[] = sprintf(
                "<a class='next-page button' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
                esc_url( add_query_arg( 'paged', min( $total_pages, $current + 1 ), $current_url ) ),
                __( 'Next page' ),
                '&rsaquo;'
            );
        }

if ( $disable_last ) {
            $page_links[] = '<span class="tablenav-pages-navspan button disabled" aria-hidden="true">&raquo;</span>';
        } else {
            $page_links[] = sprintf(
                "<a class='last-page button' href='%s'><span class='screen-reader-text'>%s</span><span aria-hidden='true'>%s</span></a>",
                esc_url( add_query_arg( 'paged', $total_pages, $current_url ) ),
                __( 'Last page' ),
                '&raquo;'
            );
        }

$pagination_links_class = 'pagination-links';
        if ( ! empty( $infinite_scroll ) ) {
            $pagination_links_class .= ' hide-if-js';
        }
        $output .= "\n<span class='$pagination_links_class'>" . implode( "\n", $page_links ) . '</span>';

if ( $total_pages ) {
            $page_class = $total_pages < 2 ? ' one-page apbct-table-actions-wrapper' : ' apbct-table-actions-wrapper';
        } else {
            $page_class = ' no-pages apbct-table-actions-wrapper';
        }
        $this->_pagination = "<div class='tablenav-pages{$page_class}'>$output</div>";

echo $this->_pagination;
    }

/**
     * Gets a list of columns.
     *
     * The format is:
     * - `'internal-name' => 'Title'`
     *
     * @since 3.1.0
     * @abstract
     *
     * @return array
     */
    public function get_columns() {
        die( 'function WP_List_Table::get_columns() must be overridden in a subclass.' );
    }

/**
     * Gets a list of sortable columns.
     *
     * The format is:
     * - `'internal-name' => 'orderby'`
     * - `'internal-name' => array( 'orderby', 'asc' )` - The second element sets the initial sorting order.
     * - `'internal-name' => array( 'orderby', true )`  - The second element makes the initial order descending.
     *
     * @since 3.1.0
     *
     * @return array
     */
    protected function get_sortable_columns() {
        return array();
    }

/**
     * Gets the name of the default primary column.
     *
     * @since 4.3.0
     *
     * @return string Name of the default primary column, in this case, an empty string.
     */
    protected function get_default_primary_column_name() {
        $columns = $this->get_columns();
        $column  = '';

if ( empty( $columns ) ) {
            return $column;
        }

// We need a primary defined so responsive views show something,
        // so let's fall back to the first non-checkbox column.
        foreach ( $columns as $col => $column_name ) {
            if ( 'cb' === $col ) {
                continue;
            }

$column = $col;
            break;
        }

return $column;
    }

/**
     * Public wrapper for WP_List_Table::get_default_primary_column_name().
     *
     * @since 4.4.0
     *
     * @return string Name of the default primary column.
     */
    public function get_primary_column() {
        return $this->get_primary_column_name();
    }

/**
     * Gets the name of the primary column.
     *
     * @since 4.3.0
     *
     * @return string The name of the primary column.
     */
    protected function get_primary_column_name() {
        $columns = get_column_headers( $this->screen );
        $default = $this->get_default_primary_column_name();

// If the primary column doesn't exist,
        // fall back to the first non-checkbox column.
        if ( ! isset( $columns[ $default ] ) ) {
            $default = self::get_default_primary_column_name();
        }

/**
         * Filters the name of the primary column for the current list table.
         *
         * @since 4.3.0
         *
         * @param string $default Column name default for the specific list table, e.g. 'name'.
         * @param string $context Screen ID for specific list table, e.g. 'plugins'.
         */
        $column = apply_filters( 'list_table_primary_column', $default, $this->screen->id );

if ( empty( $column ) || ! isset( $columns[ $column ] ) ) {
            $column = $default;
        }

return $column;
    }

/**
     * Gets a list of all, hidden, and sortable columns, with filter applied.
     *
     * @since 3.1.0
     *
     * @return array
     */
    protected function get_column_info() {
        // $_column_headers is already set / cached.
        if ( isset( $this->_column_headers ) && is_array( $this->_column_headers ) ) {
            /*
             * Backward compatibility for `$_column_headers` format prior to WordPress 4.3.
             *
             * In WordPress 4.3 the primary column name was added as a fourth item in the
             * column headers property. This ensures the primary column name is included
             * in plugins setting the property directly in the three item format.
             */
            $column_headers = array( array(), array(), array(), $this->get_primary_column_name() );
            foreach ( $this->_column_headers as $key => $value ) {
                $column_headers[ $key ] = $value;
            }

return $column_headers;
        }

$columns = get_column_headers( $this->screen );
        $hidden  = get_hidden_columns( $this->screen );

$sortable_columns = $this->get_sortable_columns();
        /**
         * Filters the list table sortable columns for a specific screen.
         *
         * The dynamic portion of the hook name, `$this->screen->id`, refers
         * to the ID of the current screen.
         *
         * @since 3.1.0
         *
         * @param array $sortable_columns An array of sortable columns.
         */
        $_sortable = apply_filters( "manage_{$this->screen->id}_sortable_columns", $sortable_columns );

$sortable = array();
        foreach ( $_sortable as $id => $data ) {
            if ( empty( $data ) ) {
                continue;
            }

$data = (array) $data;
            if ( ! isset( $data[1] ) ) {
                $data[1] = false;
            }

$sortable[ $id ] = $data;
        }

$primary               = $this->get_primary_column_name();
        $this->_column_headers = array( $columns, $hidden, $sortable, $primary );

return $this->_column_headers;
    }

/**
     * Returns the number of visible columns.
     *
     * @since 3.1.0
     *
     * @return int
     */
    public function get_column_count() {
        list ( $columns, $hidden ) = $this->get_column_info();
        $hidden                    = array_intersect( array_keys( $columns ), array_filter( $hidden ) );
        return count( $columns ) - count( $hidden );
    }

/**
     * Prints column headers, accounting for hidden and sortable columns.
     *
     * @since 3.1.0
     *
     * @param bool $with_id Whether to set the ID attribute or not
     */
    public function print_column_headers( $with_id = true ) {
        list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info();

$current_url = set_url_scheme( sanitize_url('http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']) );
        $current_url = remove_query_arg( 'paged', $current_url );

if ( isset( $_GET['orderby'] ) ) {
            $current_orderby = sanitize_text_field($_GET['orderby']);
        } else {
            $current_orderby = '';
        }

if ( isset( $_GET['order'] ) && 'desc' === $_GET['order'] ) {
            $current_order = 'desc';
        } else {
            $current_order = 'asc';
        }

if ( ! empty( $columns['cb'] ) ) {
            static $cb_counter = 1;
            $columns['cb']     = '<label class="screen-reader-text" for="cb-select-all-' . $cb_counter . '">' . __( 'Select All' ) . '</label>'
                                 . '<input id="cb-select-all-' . $cb_counter . '" type="checkbox" />';
            $cb_counter++;
        }

foreach ( $columns as $column_key => $column_display_name ) {
            $class = array( 'manage-column', "column-$column_key" );

if ( in_array( $column_key, $hidden, true ) ) {
                $class[] = 'hidden';
            }

if ( 'cb' === $column_key ) {
                $class[] = 'check-column';
            } elseif ( in_array( $column_key, array( 'posts', 'comments', 'links' ), true ) ) {
                $class[] = 'num';
            }

if ( $column_key === $primary ) {
                $class[] = 'column-primary';
            }

if ( isset( $sortable[ $column_key ] ) ) {
                list( $orderby, $desc_first ) = $sortable[ $column_key ];

if ( $current_orderby === $orderby ) {
                    $order = 'asc' === $current_order ? 'desc' : 'asc';

$class[] = 'sorted';
                    $class[] = $current_order;
                } else {
                    $order = strtolower( $desc_first );

if ( ! in_array( $order, array( 'desc', 'asc' ), true ) ) {
                        $order = $desc_first ? 'desc' : 'asc';
                    }

$class[] = 'sortable';
                    $class[] = 'desc' === $order ? 'asc' : 'desc';
                }

$column_display_name = sprintf(
                    '<a href="%s">
                                <span>%s</span>
                                <span class="sorting-indicators">
                                    <span class="sorting-indicator asc"></span>
                                    <span class="sorting-indicator desc"></span>
                                </span>
                            </a>',
                    esc_url( add_query_arg( compact( 'orderby', 'order' ), $current_url ) ),
                    $column_display_name
                );
            }

$tag   = ( 'cb' === $column_key ) ? 'td' : 'th';
            $scope = ( 'th' === $tag ) ? 'scope="col"' : '';
            $id    = $with_id ? "id='$column_key'" : '';

if ( ! empty( $class ) ) {
                $class = "class='" . implode( ' ', $class ) . "'";
            }

echo "<$tag $scope $id $class>$column_display_name</$tag>";
        }
    }

/**
     * Displays the table.
     *
     * @since 3.1.0
     */
    public function display() {
        $singular = $this->_args['singular'];

$this->display_tablenav( 'top' );

$this->screen->render_screen_reader_content( 'heading_list' );
        ?>
        <table class="wp-list-table <?php echo implode( ' ', $this->get_table_classes() ); ?>">
            <thead>
            <tr>
                <?php $this->print_column_headers(); ?>
            </tr>
            </thead>

<tbody id="the-list"
                <?php
                if ( $singular ) {
                    echo " data-wp-lists='list:$singular'";
                }
                ?>
            >
            <?php $this->display_rows_or_placeholder(); ?>
            </tbody>

<tfoot>
            <tr>
                <?php $this->print_column_headers( false ); ?>
            </tr>
            </tfoot>

</table>
        <?php
        $this->display_tablenav( 'bottom' );
    }

/**
     * Gets a list of CSS classes for the WP_List_Table table tag.
     *
     * @since 3.1.0
     *
     * @return string[] Array of CSS classes for the table tag.
     */
    protected function get_table_classes() {
        $mode = get_user_setting( 'posts_list_mode', 'list' );

$mode_class = esc_attr( 'table-view-' . $mode );

return array( 'widefat', 'fixed', 'striped', $mode_class, $this->_args['plural'] );
    }

/**
     * Generates the table navigation above or below the table
     *
     * @since 3.1.0
     * @param string $which
     */
    protected function display_tablenav( $which ) {
        if ( 'top' === $which ) {
            wp_nonce_field( 'bulk-' . $this->_args['plural'] );
        }
        ?>
        <div class="tablenav <?php echo esc_attr( $which ); ?> apbct-tablenav">

<?php if ( $this->has_items() ) : ?>
                <div class="alignleft actions bulkactions apbct-table-actions-wrapper">
                    <?php $this->bulk_actions( $which ); ?>
                </div>
            <?php
            endif;
            $this->extra_tablenav( $which );
            $this->pagination( $which );
            ?>

<br class="clear" />
        </div>
        <?php
    }

/**
     * Extra controls to be displayed between bulk actions and pagination.
     *
     * @since 3.1.0
     *
     * @param string $which
     */
    protected function extra_tablenav( $which ) {}

/**
     * Generates the tbody element for the list table.
     *
     * @since 3.1.0
     */
    public function display_rows_or_placeholder() {
        if ( $this->has_items() ) {
            $this->display_rows();
        } else {
            echo '<tr class="no-items"><td class="colspanchange" colspan="' . $this->get_column_count() . '">';
            $this->no_items();
            echo '</td></tr>';
        }
    }

/**
     * Generates the table rows.
     *
     * @since 3.1.0
     */
    public function display_rows() {
        foreach ( $this->items as $item ) {
            $this->single_row( $item );
        }
    }

/**
     * Generates content for a single row of the table.
     *
     * @since 3.1.0
     *
     * @param object|array $item The current item
     */
    public function single_row( $item ) {
        echo '<tr>';
        $this->single_row_columns( $item );
        echo '</tr>';
    }

/**
     * @param object|array $item
     * @param string $column_name
     */
    protected function column_default( $item, $column_name ) {}

/**
     * @param object|array $item
     */
    protected function column_cb( $item ) {}

/**
     * Generates the columns for a single row of the table.
     *
     * @since 3.1.0
     *
     * @param object|array $item The current item.
     */
    protected function single_row_columns( $item ) {
        list( $columns, $hidden, $sortable, $primary ) = $this->get_column_info();

foreach ( $columns as $column_name => $column_display_name ) {
            $classes = "$column_name column-$column_name";
            if ( $primary === $column_name ) {
                $classes .= ' has-row-actions column-primary';
            }

if ( in_array( $column_name, $hidden, true ) ) {
                $classes .= ' hidden';
            }

// Comments column uses HTML in the display name with screen reader text.
            // Strip tags to get closer to a user-friendly string.
            $data = 'data-colname="' . esc_attr( wp_strip_all_tags( $column_display_name ) ) . '"';

$attributes = "class='$classes' $data";

if ( 'cb' === $column_name ) {
                echo '<th scope="row" class="check-column">';
                echo $this->column_cb( $item );
                echo '</th>';
            } elseif ( method_exists( $this, '_column_' . $column_name ) ) {
                echo call_user_func(
                    array( $this, '_column_' . $column_name ),
                    $item,
                    $classes,
                    $data,
                    $primary
                );
            } elseif ( method_exists( $this, 'column_' . $column_name ) ) {
                echo "<td $attributes>";
                echo call_user_func( array( $this, 'column_' . $column_name ), $item );
                echo $this->handle_row_actions( $item, $column_name, $primary );
                echo '</td>';
            } else {
                echo "<td $attributes>";
                echo $this->column_default( $item, $column_name );
                echo $this->handle_row_actions( $item, $column_name, $primary );
                echo '</td>';
            }
        }
    }

/**
     * Generates and display row actions links for the list table.
     *
     * @since 4.3.0
     *
     * @param object|array $item        The item being acted upon.
     * @param string       $column_name Current column name.
     * @param string       $primary     Primary column name.
     * @return string The row actions HTML, or an empty string
     *                if the current column is not the primary column.
     */
    protected function handle_row_actions( $item, $column_name, $primary ) {
        return $column_name === $primary ? '<button type="button" class="toggle-row"><span class="screen-reader-text">' . __( 'Show more details' ) . '</span></button>' : '';
    }

/**
     * Handles an incoming ajax request (called from admin-ajax.php)
     *
     * @since 3.1.0
     */
    public function ajax_response() {
        $this->prepare_items();

ob_start();
        if ( ! empty( $_REQUEST['no_placeholder'] ) ) {
            $this->display_rows();
        } else {
            $this->display_rows_or_placeholder();
        }

$rows = ob_get_clean();

$response = array( 'rows' => $rows );

if ( isset( $this->_pagination_args['total_items'] ) ) {
            $response['total_items_i18n'] = sprintf(
            /* translators: Number of items. */
                _n( '%s item', '%s items', $this->_pagination_args['total_items'] ),
                number_format_i18n( $this->_pagination_args['total_items'] )
            );
        }
        if ( isset( $this->_pagination_args['total_pages'] ) ) {
            $response['total_pages']      = $this->_pagination_args['total_pages'];
            $response['total_pages_i18n'] = number_format_i18n( $this->_pagination_args['total_pages'] );
        }

die( wp_json_encode( $response ) );
    }

/**
     * Sends required variables to JavaScript land.
     *
     * @since 3.1.0
     */
    public function _js_vars() {
        $args = array(
            'class'  => get_class( $this ),
            'screen' => array(
                'id'   => $this->screen->id,
                'base' => $this->screen->base,
            ),
        );

printf( "<script type='text/javascript'>list_args = %s;</script>\n", wp_json_encode( $args ) );
    }
}

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