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¡¡¡¡php Payment Library - Ö§³ÖPaypal, Authorize.net¡¡ºÍ2Checkout (2CO)
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mysql_real_escape_string() not safe when SET NAMES is used
use mysql_set_charset() instead.
Note: This is the preferred way to change the charset. Using mysql_query() to execute SET NAMES .. is not recommended.
SET NAMES is usually used to switch the encoding from what is default to what the application needs. This is done in a way that mysql_real_escape_string doesn’t know about this. This means if you switch to some multi byte encoding that allows backslash as 2nd 3rd 4th… byte you run into trouble, because mysql_real_escape_string doesn’t escape correctly. UTF-8 is safe…
Safe way to change encodin ......

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$ip = "1.1.1.255".chr(0)."haha";
if(ereg("^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$",$ip)) {
echo $ip;
} else {
echo "unknown";
}
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<?php
// Á¬½Ó£¬Ñ¡ÔñÊý¾Ý¿â
$dbconn = pg_connect("host=localhost dbname=publishing user=www password=foo")
    or die('Could not connect: ' . pg_last_error());
// Ö´ÐÐ SQL ²éѯ
$query = 'SELECT * from authors';
$result = pg_query($query) or die('Query failed: ' . pg_last_error());
// Óà HTML ÏÔʾ½á¹û
echo "<table>\n";
while ($line = pg_fetch_array($result, null, PGSQL_ASSOC)) {
    echo "\t<tr>\n";
    foreach ($line as $col_value) {
        echo "\t\t<td>$col_value</td>\n";
    }
    echo "\t</tr>\n";
}
echo "</table>\n";
// ÊͷŽá¹û¼¯
pg_free_result($result);
// ¹Ø±ÕÁ¬½Ó
pg_close($dbconn);
?>
http://php.chinaunix.net/manual/zh/ref.pgsql.php
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charset="XXX" />À´¸æËßä¯ÀÀÆ÷ÍøÒ³²ÉÓÃÁËʲô±àÂ룬ĿǰÖÐÎÄÍøÕ¾¿ª·¢ÖÐÖ÷ÒªÓà ......
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