PHP mysql_escape_string function

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mysql_escape_string

(PHP 4 >= 4.0.3, PHP 5)

This function will escape the unescaped_string,
so that it is safe to place it in a mysql_query().
This function is deprecated.

This function is identical to mysql_real_escape_string()
except that mysql_real_escape_string() takes a
connection handler and escapes the string according to the current
character set. mysql_escape_string() does not take a
connection argument and does not respect the current charset setting.

The string that is to be escaped.

Returns the escaped string.

Example 1. mysql_escape_string() example

$item = "Zak's Laptop";
$escaped_item = mysql_escape_string($item);
printf("Escaped string: %s\n", $escaped_item);

The above example will output:

Note:
mysql_escape_string() does not escape
% and _.