(PHP 4 = 4.3.0)
This function will escape special characters in the unescaped_string, taking into account the current charset of the connection so that it is safe to place it in a mysql_query().
注意 mysql_real_escape_string() does not escape% and _.
例 1 mysql_real_escape_string() example
The above example would produce the following output:
See also: mysql_escape_string(), mysql_character_set_name().