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<?php
use Duplicator\Libs\Snap\SnapWP;
defined('ABSPATH') or die("");
require_once ABSPATH . '/wp-admin/includes/upgrade.php';
require_once(DUPLICATOR____PATH . '/classes/environment/interface.checker.php');
class DUP_PRO_DB_Checker implements DUP_PRO_iChecker
{
public function __construct()
{
global $wpdb;
//The longest default wp table name is "term_relationships" (18 chars)
//so making the test table name the same length or smaller will mean we are okay (in total below 64)
$this->table = $wpdb->base_prefix . "dup_pro_tmp_table"; //17 chars
$this->results = array();
$this->errors = array();
$this->helper_messages = array();
}
public function dropTable()
{
try {
global $wpdb;
$table_name = $this->table;
$sql = "DROP TABLE IF EXISTS `{$table_name}`;";
$result = $wpdb->query($sql);
return !$this->doesTableExist($table_name);
} catch (Exception $e) {
$this->errors['dropTable'][] = $e;
return false;
}
}
public function insert($args = array())
{
try {
$table_name = $this->table;
if (!$this->doesTableExist($table_name)) {
return false;
}
global $wpdb;
$defaults = array(
'id' => '',
'test_varchar' => 'nice duplicator pro',
'test_int' => 234,
);
$args = wp_parse_args($args, $defaults);
// $table_name = $wpdb->prefix . "duplicator_pro_test_tmp_table";
// remove row id to determine if new or update
$row_id = (int) $args['id'];
unset($args['id']);
if (!$row_id) {
// insert a new
if ($wpdb->insert($table_name, $args)) {
return $wpdb->insert_id;
}
} else {
// do update method here
if ($wpdb->update($table_name, $args, array('id' => $row_id))) {
return $row_id;
}
}
return false;
} catch (Exception $e) {
$this->errors['insert'][] = $e;
return false;
}
}
public function doesTableExist($table_name)
{
if (empty($table_name)) {
return false;
}
global $wpdb;
//https://developer.wordpress.org/reference/functions/maybe_create_table/
// $query = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $table_name ) );
try {
// $result=$wpdb->get_var( $query );
$query = "SHOW TABLES LIKE '$table_name'";
$value = $wpdb->get_var($query);
if (!is_null($value) && strcasecmp($value, $table_name) == 0) {
return true;
} else {
return false;
}
} catch (Exception $e) {
$this->errors['doesTableExist'][] = $e;
return false;
}
}
/**
* Create test table
*
* @global \wpdb $wpdb
*
* @return void
*/
public function createTable()
{
try {
global $wpdb;
$table_name = $this->table;
if (strlen($table_name) > 64) {
throw new Exception("Test table name is longer than 64 chars!");
}
//PRIMARY KEY must have 2 spaces before for dbDelta to work
$sql = <<<SQL
CREATE TABLE `{$table_name}` (
id BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
test_varchar VARCHAR(250) NOT NULL,
test_int INT(11) NOT NULL,
PRIMARY KEY (id));
SQL;
SnapWP::dbDelta($sql);
return $this->doesTableExist($table_name);
} catch (Exception $e) {
$this->errors['createTable'][] = $e;
return false;
}
}
public function check()
{
$created = $this->createTable();
$inserted = $this->insert();
$passed = $created && $inserted;
// If can't drop the temp table that's ok since we don’t need that functionality in the plugin
$this->dropTable();
if (!$passed) {
$user = '<b style="color:red;">' . DB_USER . '</b>';
$db = '<b style="color:red;">' . DB_NAME . '</b>';
$evaluation = '';
if (!$created) {
$evaluation = DUP_PRO_U::__("couldn't create table");
}
if (!$inserted) {
if ($evaluation != '') {
$evaluation .= ', ';
}
$evaluation .= DUP_PRO_U::__("couldn't insert data");
}
$this->helper_messages[] = sprintf(DUP_PRO_U::__('Duplicator Pro has been disabled due to insufficient database rights (%1$s). '
. 'Please give database user %2$s full rights to database %3$s'), $evaluation, $user, $db);
}
return $passed;
}
public function getErrors()
{
return $this->errors;
}
public function getHelperMessages()
{
return $this->helper_messages;
}
}
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