PDO ??? ?? SQL ??? ??? ?? ????
PDO ????? ?? ???? ?? ?? ?? ??? ???? ??? ????? ??? "?"???. ." PDO? ????? MySQL? ??? ???? ??????? ? ?????? ??? ?? ??? ???? ??? ? ????.
?? ??
?? ???? ?? ??? ?? ??(?: gbk)? ??? ? ???? ???? ?????. , cp932) ?? ??? ?????.
- ?????? ?? ??? SET? ???? ?????. NAMES(mysql_set_charset() ??).
- ?????? ?????? ??? ?(?? MySQL ??? ?????? ??? ???? ?? ??? ?)? ?????.
??? ?? ???? ??? ????? ??? ??? ????? ??? ??????? ???? ?? ??? ??? ?? ?? ?? ?? ???? ??? ? ????. ?? ?? ??? ?? ???? ???? ?? ??? ???? ???? SQL ??? ??? ? ????.
?? ??
??:
- ?????? ??? ? ????: $pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
- PDO DSN charset ????? ???? ?? ???? ?????(PHP >= 5.3.6): $pdo = new PDO('mysql:host=localhost;dbname=testdb;charset=gbk ', $user, $password);
- ??? ??? ??: ?? ???? ?? UTF-8 ?? Latin1? ?? ?? ??? ?????.
??:
- NO_BACKSLASH_ESCAPES SQL ?? ???: ?? ????? ??? ???? ???? ???? ?????.
??? ?
?? ?? ??? ??? ??? ?????.
// PDO without emulated prepares
$pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
$stmt = $pdo->prepare('SELECT * FROM test WHERE name = ? LIMIT 1');
$stmt->execute(array("xbf' OR 1=1 /*"));
// PDO with DSN charset parameter
$pdo = new PDO('mysql:host=localhost;dbname=testdb;charset=gbk', $user, $password);
$stmt = $pdo->prepare('SELECT * FROM test WHERE name = ? LIMIT 1');
$stmt->execute(array("xbf' OR 1=1 /*"));
// MySQLi (always uses true prepared statements)
$mysqli->query('SET NAMES gbk');
$stmt = $mysqli->prepare('SELECT * FROM test WHERE name = ? LIMIT 1');
$param = "xbf' OR 1=1 /*";
$stmt->bind_param('s', $param);
$stmt->execute();
??
PDO ??? ?? ?? ??? ?? ???? ??? ?? SQL ??? ????? ??? ? ????. ???? ???? ????? ??? ???? ?????, ?????? ??? ???????, NO_BACKSLASH_ESCAPES ??? ????? ?? ?????.
? ??? PDO ???? SQL ?? ?????? ?? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!
? AI ??
Undress AI Tool
??? ???? ??
Undresser.AI Undress
???? ?? ??? ??? ?? AI ?? ?
AI Clothes Remover
???? ?? ???? ??? AI ?????.
Clothoff.io
AI ? ???
Video Face Swap
??? ??? AI ?? ?? ??? ???? ?? ???? ??? ?? ????!
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???? ?? ?? ?? ???
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??? ??, ???? ?? ????.
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