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✏️ Editing: reset.php

<?php

/**
 * bbPress Admin Tools Reset
 *
 * @package bbPress
 * @subpackage Administration
 */

// Exit if accessed directly
defined( 'ABSPATH' ) || exit;

/**
 * Admin reset page
 *
 * @since 2.0.0 bbPress (r2613)
 *
 */
function bbp_admin_reset_page() {
?>

<?php
}

/**
 * Handle a bbPress admin area reset request.
 *
 * @since 2.0.0 bbPress (r2613)
 */
function bbp_admin_reset_handler() {

// Bail if not resetting.
	if ( ! bbp_is_post_request() || empty( $_POST['bbpress-are-you-sure'] ) ) {
		return;
	}

// Only keymasters can proceed.
	if ( ! bbp_is_user_keymaster() ) {
		return;
	}

// Bail if not referred from resetter
	check_admin_referer( 'bbpress-reset' );

// Reset all of bbPress
	bbp_admin_reset_database();
}

/**
 * Wrapper for determining admin reset query feedback presented to a user.
 *
 * @since 2.6.0 bbPress (r6758)
 *
 * @param array $args Array of query, message, and possible responses
 *
 * @return string
 */
function bbp_admin_reset_query_feedback( $args = array() ) {
	static $defaults = null;

// Only set defaults one time to avoid hitting the GetText API repeatedly
	if ( null === $defaults ) {
		$defaults = array(
			'query'     => '',
			'message'   => esc_html__( 'Resetting&hellip;', 'bbpress' ),
			'responses' => array(
				'success' => esc_html__( 'Success!', 'bbpress' ),
				'failure' => esc_html__( 'Failed!',  'bbpress' ),
				'skipped' => esc_html__( 'Skipped.', 'bbpress' )
			)
		);
	}

// Parse arguments
	$r = bbp_parse_args( $args, $defaults, 'admin_reset_query_feedback' );

// Success/Failure based on query error
	if ( ! empty( $r['query'] ) ) {
		$query  = bbp_db()->query( $r['query'] );
		$result = ! is_wp_error( $query )
			? $r['responses']['success']
			: $r['responses']['failure'];

// Skip if empty
	} else {
		$result = $r['responses']['skipped'];
	}

// Return feedback
	return sprintf( $r['message'], $result );
}

/**
 * Perform a bbPress database reset.
 *
 * @since 2.6.0 bbPress
 */
function bbp_admin_reset_database() {

// Define variables.
	$messages = array();
	$sql_meta = array();
	$bbp_db   = bbp_db();

// Flush the whole cache; things are about to get ugly.
	wp_cache_flush();

/** Posts *****************************************************************/

// Post types and status.
	$fpt = bbp_get_forum_post_type();
	$tpt = bbp_get_topic_post_type();
	$rpt = bbp_get_reply_post_type();

// Get post IDs
	$sql_posts = $bbp_db->get_results( "SELECT `ID` FROM `{$bbp_db->posts}` WHERE `post_type` IN ('{$fpt}', '{$tpt}', '{$rpt}')", OBJECT_K );
	if ( ! empty( $sql_posts ) ) {

// Meta data
		foreach ( $sql_posts as $key => $value ) {
			$sql_meta[] = $key;
		}
		$sql_meta = implode( "', '", $sql_meta );

// Delete posts
		$messages[] = bbp_admin_reset_query_feedback( array(
			'query'   => "DELETE FROM `{$bbp_db->posts}` WHERE `post_type` IN ('{$fpt}', '{$tpt}', '{$rpt}')",
			'message' => esc_html__( 'Removing Forums, Topics, and Replies&hellip; %s', 'bbpress' )
		) );

/** Post Meta *********************************************************/

if ( ! empty( $sql_posts ) ) {
			$messages[] = bbp_admin_reset_query_feedback( array(
				'query'   => "DELETE FROM `{$bbp_db->postmeta}` WHERE `post_id` IN ('{$sql_meta}')",
				'message' => esc_html__( 'Removing Forum, Topic, and Reply Meta Data&hellip; %s', 'bbpress' )
			) );
		}

/** Post Revisions ****************************************************/

if ( ! empty( $sql_posts ) ) {
			$messages[] = bbp_admin_reset_query_feedback( array(
				'query'   => "DELETE FROM `{$bbp_db->posts}` WHERE `post_parent` IN ('{$sql_meta}') AND `post_type` = 'revision'",
				'message' => esc_html__( 'Removing Revision Data&hellip; %s', 'bbpress' )
			) );
		}
	}

/** Topic Tags ************************************************************/

$messages[] = bbp_admin_reset_query_feedback( array(
		'query'   => "DELETE a,b,c FROM `{$bbp_db->terms}` AS a LEFT JOIN `{$bbp_db->term_taxonomy}` AS c ON a.term_id = c.term_id LEFT JOIN `{$bbp_db->term_relationships}` AS b ON b.term_taxonomy_id = c.term_taxonomy_id WHERE c.taxonomy = 'topic-tag'",
		'message' => esc_html__( 'Deleting Topic Tags&hellip; %s', 'bbpress' )
	) );

/** User ******************************************************************/

// First, if we're deleting previously imported users, delete them now
	if ( ! empty( $_POST['bbpress-delete-imported-users'] ) ) {
		$sql_users = $bbp_db->get_results( "SELECT `user_id` FROM `{$bbp_db->usermeta}` WHERE `meta_key` = '_bbp_old_user_id'", OBJECT_K );

if ( ! empty( $sql_users ) ) {
			$sql_meta = array();
			foreach ( $sql_users as $key => $value ) {
				$sql_meta[] = $key;
			}

// Users
			$sql_meta   = implode( "', '", $sql_meta );
			$messages[] = bbp_admin_reset_query_feedback( array(
				'query'   => "DELETE FROM `{$bbp_db->users}` WHERE `ID` IN ('{$sql_meta}')",
				'message' => esc_html__( 'Deleting Imported Users&hellip; %s', 'bbpress' )
			) );

// User meta
			$messages[] = bbp_admin_reset_query_feedback( array(
				'query'   => "DELETE FROM `{$bbp_db->usermeta}` WHERE `user_id` IN ('{$sql_meta}')",
				'message' => esc_html__( 'Deleting Imported User Meta&hellip; %s', 'bbpress' )
			) );
		}
	}

// Next, if we still have users that were not imported delete that meta data
	$messages[] = bbp_admin_reset_query_feedback( array(
		'query'   => "DELETE FROM `{$bbp_db->usermeta}` WHERE `meta_key` LIKE '%%_bbp_%%'",
		'message' => esc_html__( 'Deleting bbPress Specific User Meta&hellip; %s', 'bbpress' )
	) );

/** Converter *************************************************************/

$table_name = $bbp_db->prefix . 'bbp_converter_translator';
	if ( $bbp_db->get_var( "SHOW TABLES LIKE '{$table_name}'" ) === $table_name ) {
		$messages[] = bbp_admin_reset_query_feedback( array(
			'query'   => "DROP TABLE {$table_name}",
			'message' => esc_html__( 'Dropping Conversion Table&hellip; %s', 'bbpress' )
		) );
	}

/** Options ***************************************************************/

bbp_delete_options();
	$messages[] = esc_html__( 'Deleting Settings&hellip; Success!', 'bbpress' );

/** Roles *****************************************************************/

bbp_remove_roles();
	bbp_remove_caps();
	$messages[] = esc_html__( 'Removing Roles and Capabilities&hellip; Success!', 'bbpress' );

/** Output ****************************************************************/

if ( count( $messages ) ) {
		foreach ( $messages as $message ) {
			bbp_admin_tools_feedback( $message );
		}
	}
}

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