wpdb::hide_errors() – Method | Developer.WordPress.org

Disables showing of database errors.

Description

By default database errors are not shown.

bool Whether showing of errors was previously active.

public function hide_errors() {
	$show              = $this->show_errors;
	$this->show_errors = false;
	return $show;
}

Used by	Description
drop_index()`wp-admin/includes/upgrade.php`	Drops a specified index from a table.

Version	Description
0.71	Introduced.