php - Escaping backslashes in php no matter how many \ in string

Question

I'm very new to PHP. Currently,I'm facing one issue to escape \ and store in mysql DB. eg., If the string is like $str = \\aaaa\bbb\\\cccc$$ , I would like to save that string in DB . However, I don't know how to escape those backslashes. Please help me settle it.

Answer 1

您最好的选择是使用准备好的语句（例如通过PDO）：

$dbh = new PDO(…);
$sth = $dbh->prepare('INSERT INTO `yourtable` ( `column` ) VALUES ( :string )');
$sth->execute(array(':string' => '\\aaaa\bbb\\\cccc$$'));