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Editing File: /home/rtsgrob/ww5/wp-content/plugins/learnpress/inc/Databases/PostDB.php

<?php

namespace LearnPress\Databases;

use Exception;
use LearnPress\Filters\PostFilter;
use LP_Helper;

/**
 * Class PostDB
 *
 * @since 4.2.9.3
 * @version 1.0.1
 */
class PostDB extends DataBase {

private static $_instance;

protected function __construct() {
		parent::__construct();
	}

public static function getInstance() {
		if ( is_null( self::$_instance ) ) {
			self::$_instance = new self();
		}

return self::$_instance;
	}

/**
	 * Get posts by filter
	 *
	 * @param PostFilter|\LP_Post_Type_Filter $filter
	 *
	 * @return array|null|int|string
	 * @throws Exception
	 * @since 4.2.9.3
	 * @version 1.0.1
	 */
	public function get_posts( $filter, int &$total_rows = 0 ) {
		$filter->fields = array_merge( $filter->all_fields, $filter->fields );

if ( empty( $filter->collection ) ) {
			$filter->collection = $this->tb_posts;
		}

if ( empty( $filter->collection_alias ) ) {
			$filter->collection_alias = 'p';
		}

$ca = $filter->collection_alias;

// Where
		$filter->where[] = $this->wpdb->prepare( "AND $ca.post_type = %s", $filter->post_type );

// Find ID
		if ( isset( $filter->ID ) ) {
			$filter->where[] = $this->wpdb->prepare( "AND $ca.ID = %d", $filter->ID );
		}

// Status
		$filter->post_status = (array) $filter->post_status;
		if ( ! empty( $filter->post_status ) ) {
			$post_status_format = LP_Helper::db_format_array( $filter->post_status, '%s' );
			$filter->where[]    = $this->wpdb->prepare( "AND $ca.post_status IN (" . $post_status_format . ')', $filter->post_status );
		}

// Term ids
		if ( ! empty( $filter->term_ids ) ) {
			// Sanitize term ids
			$filter->term_ids = array_map( 'absint', $filter->term_ids );
			$term_ids_format  = join( ',', $filter->term_ids );
			$filter->join[]   = "INNER JOIN $this->tb_term_relationships AS r_term_p ON $ca.ID = r_term_p.object_id";
			$filter->join[]   = "INNER JOIN $this->tb_term_taxonomy AS tx_p ON r_term_p.term_taxonomy_id = tx_p.term_taxonomy_id";
			$filter->where[]  = "AND r_term_p.term_taxonomy_id IN ($term_ids_format)";
			$filter->where[]  = $this->wpdb->prepare( 'AND tx_p.taxonomy = %s', $filter->taxonomy );
		}

// Post ids
		if ( ! empty( $filter->post_ids ) ) {
			$post_ids        = array_map( 'absint', $filter->post_ids );
			$post_ids_format = join( ',', $post_ids );
			$filter->where[] = "AND $ca.ID IN ($post_ids_format)";
		}

// Title
		if ( $filter->post_title ) {
			$filter->where[] = $this->wpdb->prepare( "AND $ca.post_title LIKE %s", '%' . $filter->post_title . '%' );
		}

// Name(slug)
		if ( $filter->post_name ) {
			$filter->where[] = $this->wpdb->prepare( "AND $ca.post_name = %s", $filter->post_name );
		}

// Author
		if ( isset( $filter->post_author ) ) {
			$filter->where[] = $this->wpdb->prepare( "AND $ca.post_author = %d", $filter->post_author );
		}

// Authors
		if ( ! empty( $filter->post_authors ) ) {
			$post_authors        = array_map( 'absint', $filter->post_authors );
			$post_authors_format = join( ',', $post_authors );
			$filter->where[]     = "AND $ca.post_author IN ($post_authors_format)";
		}

$filter = apply_filters( 'lp/post/query/filter', $filter );

return $this->execute( $filter, $total_rows );
	}
}

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