What is the difference between mysql_real_escape_string and addslashes?

Question

mysql_real_escape_string and addslashes are both used to escape data before the database query, so what\'s the difference? (This question is not ab

Answer 1

case 1:

$str = "input's data";

print mysql_real_escape_string($str);      input\'s data

print addslashes($str);                    input\'s data;

case 2:

$str = "input\'s data";

print mysql_real_escape_string($str);      input\'s data

print addslashes($str);                    input\\'s data;