{"id":135338,"date":"2026-07-22T12:28:07","date_gmt":"2026-07-22T06:28:07","guid":{"rendered":"https:\/\/rcl-radio.ru\/?p=135338"},"modified":"2026-07-22T12:28:07","modified_gmt":"2026-07-22T06:28:07","slug":"%d0%be%d0%b1%d0%bd%d0%be%d0%b2%d0%bb%d1%8f%d0%b5%d0%bc-%d0%b8-%d1%83%d0%b4%d0%b0%d0%bb%d1%8f%d0%b5%d0%bc-%d0%b2-mysql-%d0%b8%d0%b7-php-update-%d0%b8-delete-%d1%81-%d0%bf%d1%80%d0%be%d0%b2%d0%b5%d1%80","status":"publish","type":"post","link":"https:\/\/rcl-radio.ru\/?p=135338","title":{"rendered":"\u041e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u043c \u0438 \u0443\u0434\u0430\u043b\u044f\u0435\u043c \u0432 MySQL \u0438\u0437 PHP: UPDATE \u0438 DELETE \u0441 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u043e\u0439"},"content":{"rendered":"

\u0421\u0442\u0430\u0442\u044c\u044f \u043f\u043e\u0441\u0432\u044f\u0449\u0435\u043d\u0430 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f (UPDATE<\/code>) \u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f (DELETE<\/code>) \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 MySQL \u0447\u0435\u0440\u0435\u0437 PHP \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c PDO. \u041e\u0441\u043e\u0431\u043e\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0443\u0434\u0435\u043b\u0435\u043d\u043e \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430\u043c: \u043d\u0430\u043b\u0438\u0447\u0438\u044e \u0437\u0430\u043f\u0438\u0441\u0438, \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0443 \u0437\u0430\u0442\u0440\u043e\u043d\u0443\u0442\u044b\u0445 \u0441\u0442\u0440\u043e\u043a \u0438 \u0437\u0430\u0449\u0438\u0442\u0435 \u043e\u0442 \u043e\u0448\u0438\u0431\u043e\u043a.<\/p>\n

\n

\u0412\u0430\u0436\u043d\u043e\u0435 \u043f\u0440\u0430\u0432\u0438\u043b\u043e: \u0431\u0435\u0437 WHERE<\/code> \u2014 \u043d\u0435\u043b\u044c\u0437\u044f<\/h2>\n

\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 UPDATE<\/code> \u0438 DELETE<\/code> \u0431\u0435\u0437 \u0443\u0441\u043b\u043e\u0432\u0438\u044f WHERE<\/code> \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u043a\u043e \u0432\u0441\u0435\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u0435. \u041e\u0434\u043d\u0430 \u043e\u043f\u0435\u0447\u0430\u0442\u043a\u0430 \u043c\u043e\u0436\u0435\u0442 \u0441\u0442\u0435\u0440\u0435\u0442\u044c \u0438\u043b\u0438 \u0438\u0441\u043f\u043e\u0440\u0442\u0438\u0442\u044c \u0432\u0441\u0435 \u0434\u0430\u043d\u043d\u044b\u0435. \u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u0432 \u043a\u043e\u0434\u0435 \u0432\u0441\u0435\u0433\u0434\u0430:<\/p>\n

    \n
  1. \u0421\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u044e\u0442, \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u043b\u0438 \u0446\u0435\u043b\u0435\u0432\u0430\u044f \u0437\u0430\u043f\u0438\u0441\u044c.<\/li>\n
  2. \u0417\u0430\u0442\u0435\u043c \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0442 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e \u0441 \u0442\u043e\u0447\u043d\u044b\u043c \u0443\u0441\u043b\u043e\u0432\u0438\u0435\u043c.<\/li>\n
  3. \u041f\u0440\u043e\u0432\u0435\u0440\u044f\u044e\u0442 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 (rowCount()<\/code>).<\/li>\n
  4. \u041e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u044e\u0442 \u043e\u0448\u0438\u0431\u043a\u0438 \u0447\u0435\u0440\u0435\u0437 try\/catch<\/code>.<\/li>\n<\/ol>\n
    \n

    UPDATE: \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0441 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u043e\u0439 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430<\/h2>\n

    \u0421\u0446\u0435\u043d\u0430\u0440\u0438\u0439<\/h3>\n

    \u041d\u0443\u0436\u043d\u043e \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c email \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043f\u043e \u0435\u0433\u043e id<\/code>. \u041f\u0435\u0440\u0435\u0434 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0443\u0431\u0435\u0434\u0438\u043c\u0441\u044f, \u0447\u0442\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442, \u0430 \u043f\u043e\u0441\u043b\u0435\u00a0\u2014\u00a0\u0447\u0442\u043e \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043e\u0431\u043d\u043e\u0432\u0438\u043b\u0430\u0441\u044c \u0440\u043e\u0432\u043d\u043e \u043e\u0434\u043d\u0430 \u0441\u0442\u0440\u043e\u043a\u0430.<\/p>\n

    SQL<\/h3>\n
    SELECT<\/span> id FROM<\/span> users WHERE<\/span> id =<\/span> :id;\r\n\u00a0\r\nUPDATE<\/span> users SET<\/span> email =<\/span> :email WHERE<\/span> id =<\/span> :id;<\/pre>\n
    PHP-\u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f<\/h3>\n
    <<\/span>?php\r\n$dsn =<\/span> 'mysql:host=localhost;dbname=test_db;charset=utf8mb4'<\/span>;\r\n$user =<\/span> 'db_user'<\/span>;\r\n$pass =<\/span> 'db_pass'<\/span>;\r\n\u00a0\r\ntry {<\/span>\r\n    $pdo =<\/span> NEW<\/span> PDO(<\/span>$dsn,<\/span> $user,<\/span> $pass,<\/span> [<\/span>\r\n        PDO::ATTR_ERRMODE            =><\/span> PDO::ERRMODE_EXCEPTION,<\/span>\r\n        PDO::ATTR_DEFAULT_FETCH_MODE =><\/span> PDO::FETCH_ASSOC,<\/span>\r\n    ]<\/span>)<\/span>;\r\n\u00a0\r\n    $id   =<\/span> 123<\/span>;\r\n    $email =<\/span> 'new.email@example.com'<\/span>;\r\n\u00a0\r\n    \/\/<\/span> \u0428\u0430\u0433 1<\/span>: \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f\r\n    $stmt =<\/span> $pdo-><\/span>PREPARE<\/span>(<\/span>'SELECT id FROM users WHERE id = :id'<\/span>)<\/span>;\r\n    $stmt-><\/span>EXECUTE<\/span>(<\/span>[<\/span>':id'<\/span> =><\/span> $id]<\/span>)<\/span>;\r\n    $row =<\/span> $stmt-><\/span>fetch(<\/span>)<\/span>;\r\n\u00a0\r\n    IF<\/span> (<\/span>!$row)<\/span> {<\/span>\r\n        throw NEW<\/span> Exception(<\/span>'\u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043d\u0435 \u043d\u0430\u0439\u0434\u0435\u043d.'<\/span>)<\/span>;\r\n    }<\/span>\r\n\u00a0\r\n    \/\/<\/span> \u0428\u0430\u0433 2<\/span>: \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 UPDATE<\/span>\r\n    $stmt =<\/span> $pdo-><\/span>PREPARE<\/span>(<\/span>'UPDATE users SET email = :email WHERE id = :id'<\/span>)<\/span>;\r\n    $stmt-><\/span>EXECUTE<\/span>(<\/span>[<\/span>\r\n        ':email'<\/span> =><\/span> $email,<\/span>\r\n        ':id'<\/span>    =><\/span> $id,<\/span>\r\n    ]<\/span>)<\/span>;\r\n\u00a0\r\n    \/\/<\/span> \u0428\u0430\u0433 3<\/span>: \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430\r\n    $affected =<\/span> $stmt-><\/span>rowCount(<\/span>)<\/span>;\r\n    IF<\/span> (<\/span>$affected !==<\/span> 1<\/span>)<\/span> {<\/span>\r\n        throw NEW<\/span> Exception(<\/span>'\u041d\u0435 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u044c: \u0437\u0430\u0442\u0440\u043e\u043d\u0443\u0442\u043e \u0441\u0442\u0440\u043e\u043a: '<\/span> .<\/span> $affected)<\/span>;\r\n    }<\/span>\r\n\u00a0\r\n    echo '\u0417\u0430\u043f\u0438\u0441\u044c \u0443\u0441\u043f\u0435\u0448\u043d\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0430.'<\/span>;\r\n}<\/span> catch (<\/span>Exception $e)<\/span> {<\/span>\r\n    \/\/<\/span> \u0412 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u0435 \u043b\u043e\u0433\u0438\u0440\u0443\u0439\u0442\u0435 $e-><\/span>getMessage(<\/span>)<\/span>\r\n    echo '\u041e\u0448\u0438\u0431\u043a\u0430: \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f \u043d\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0430.'<\/span>;\r\n}<\/span>\r\n?><\/span><\/pre>\n
    \u0417\u0430\u0447\u0435\u043c \u0442\u0430\u043a \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e:<\/strong><\/p>\n
      \n
    • \u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 SELECT<\/code> \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u0442 \u043e\u0442 \u00ab\u0442\u0438\u0445\u0438\u0445\u00bb \u043e\u0448\u0438\u0431\u043e\u043a, \u0435\u0441\u043b\u0438 id<\/code> \u043d\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 (\u0432 MySQL UPDATE<\/code> \u0431\u0435\u0437 \u0441\u0442\u0440\u043e\u043a \u043f\u0440\u043e\u0441\u0442\u043e \u0432\u0435\u0440\u043d\u0451\u0442 rowCount() = 0<\/code>, \u043d\u043e \u044d\u0442\u043e \u043d\u0435 \u0432\u0441\u0435\u0433\u0434\u0430 \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u043e).<\/li>\n
    • \u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 $affected === 1<\/code> \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u0443\u0435\u0442, \u0447\u0442\u043e \u043e\u0431\u043d\u043e\u0432\u0438\u043b\u0430\u0441\u044c \u0438\u043c\u0435\u043d\u043d\u043e \u043e\u0434\u043d\u0430 \u0441\u0442\u0440\u043e\u043a\u0430, \u0430 \u043d\u0435 \u043d\u043e\u043b\u044c \u0438\u043b\u0438 \u0431\u043e\u043b\u044c\u0448\u0435.<\/li>\n<\/ul>\n
      \n
      DELETE: \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0441 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u043e\u0439 \u0438 \u0437\u0430\u0449\u0438\u0442\u043e\u0439<\/h2>\n
      \u0421\u0446\u0435\u043d\u0430\u0440\u0438\u0439<\/h3>\n
      \u0423\u0434\u0430\u043b\u0438\u0442\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043f\u043e id<\/code>, \u0442\u043e\u043b\u044c\u043a\u043e \u0435\u0441\u043b\u0438 \u043e\u043d \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442, \u0438 \u0443\u0431\u0435\u0434\u0438\u0442\u044c\u0441\u044f, \u0447\u0442\u043e \u0443\u0434\u0430\u043b\u0435\u043d\u0430 \u0440\u043e\u0432\u043d\u043e \u043e\u0434\u043d\u0430 \u0441\u0442\u0440\u043e\u043a\u0430.<\/p>\n
      SQL<\/h3>\n
      SELECT<\/span> id FROM<\/span> users WHERE<\/span> id =<\/span> :id;\r\n\u00a0\r\nDELETE<\/span> FROM<\/span> users WHERE<\/span> id =<\/span> :id;<\/pre>\n
      PHP-\u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f<\/h3>\n
      <<\/span>?php\r\ntry {<\/span>\r\n    $pdo =<\/span> NEW<\/span> PDO(<\/span>$dsn,<\/span> $user,<\/span> $pass,<\/span> [<\/span>\r\n        PDO::ATTR_ERRMODE            =><\/span> PDO::ERRMODE_EXCEPTION,<\/span>\r\n        PDO::ATTR_DEFAULT_FETCH_MODE =><\/span> PDO::FETCH_ASSOC,<\/span>\r\n    ]<\/span>)<\/span>;\r\n\u00a0\r\n    $id =<\/span> 123<\/span>;\r\n\u00a0\r\n    \/\/<\/span> \u0428\u0430\u0433 1<\/span>: \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f\r\n    $stmt =<\/span> $pdo-><\/span>PREPARE<\/span>(<\/span>'SELECT id FROM users WHERE id = :id'<\/span>)<\/span>;\r\n    $stmt-><\/span>EXECUTE<\/span>(<\/span>[<\/span>':id'<\/span> =><\/span> $id]<\/span>)<\/span>;\r\n    $row =<\/span> $stmt-><\/span>fetch(<\/span>)<\/span>;\r\n\u00a0\r\n    IF<\/span> (<\/span>!$row)<\/span> {<\/span>\r\n        throw NEW<\/span> Exception(<\/span>'\u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043d\u0435 \u043d\u0430\u0439\u0434\u0435\u043d, \u0443\u0434\u0430\u043b\u044f\u0442\u044c \u043d\u0435\u0447\u0435\u0433\u043e.'<\/span>)<\/span>;\r\n    }<\/span>\r\n\u00a0\r\n    \/\/<\/span> \u0428\u0430\u0433 2<\/span>: \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 DELETE<\/span>\r\n    $stmt =<\/span> $pdo-><\/span>PREPARE<\/span>(<\/span>'DELETE FROM users WHERE id = :id'<\/span>)<\/span>;\r\n    $stmt-><\/span>EXECUTE<\/span>(<\/span>[<\/span>':id'<\/span> =><\/span> $id]<\/span>)<\/span>;\r\n\u00a0\r\n    \/\/<\/span> \u0428\u0430\u0433 3<\/span>: \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430\r\n    $deleted =<\/span> $stmt-><\/span>rowCount(<\/span>)<\/span>;\r\n    IF<\/span> (<\/span>$deleted !==<\/span> 1<\/span>)<\/span> {<\/span>\r\n        throw NEW<\/span> Exception(<\/span>'\u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u043d\u0435 \u043f\u0440\u043e\u0448\u043b\u043e \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e: \u0443\u0434\u0430\u043b\u0435\u043d\u043e \u0441\u0442\u0440\u043e\u043a: '<\/span> .<\/span> $deleted)<\/span>;\r\n    }<\/span>\r\n\u00a0\r\n    echo '\u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0443\u0441\u043f\u0435\u0448\u043d\u043e \u0443\u0434\u0430\u043b\u0451\u043d.'<\/span>;\r\n}<\/span> catch (<\/span>Exception $e)<\/span> {<\/span>\r\n    echo '\u041e\u0448\u0438\u0431\u043a\u0430: \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f \u043d\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0430.'<\/span>;\r\n}<\/span>\r\n?><\/span><\/pre>\n
      \n
      \u0427\u0430\u0441\u0442\u044b\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 \u0438 \u043a\u0430\u043a \u0438\u0445 \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c<\/h2>\n\n\n\n\n\n\n\n\n
      \u041e\u0448\u0438\u0431\u043a\u0430<\/th>\n\u041a\u0430\u043a \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f<\/th>\n\u0420\u0435\u0448\u0435\u043d\u0438\u0435<\/th>\n<\/tr>\n<\/thead>\n
      UPDATE\/DELETE<\/code> \u0431\u0435\u0437 WHERE<\/code><\/td>\n\u041c\u0435\u043d\u044f\u044e\u0442\u0441\u044f\/\u0443\u0434\u0430\u043b\u044f\u044e\u0442\u0441\u044f \u0432\u0441\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0442\u0430\u0431\u043b\u0438\u0446\u044b<\/td>\n\u0412\u0441\u0435\u0433\u0434\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0439\u0442\u0435 WHERE<\/code> \u0441 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u043c \u043a\u043b\u044e\u0447\u043e\u043c (id<\/code>)<\/td>\n<\/tr>\n
      \u0418\u0433\u043d\u043e\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 rowCount()<\/code><\/td>\n\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u044f \u00ab\u0432\u0440\u043e\u0434\u0435 \u043f\u0440\u043e\u0448\u043b\u0430\u00bb, \u043d\u043e \u0441\u0442\u0440\u043e\u043a \u043d\u0435 \u0437\u0430\u0442\u0440\u043e\u043d\u0443\u0442\u043e<\/td>\n\u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0439\u0442\u0435 $stmt->rowCount()<\/code> \u0438 \u0440\u0435\u0430\u0433\u0438\u0440\u0443\u0439\u0442\u0435, \u0435\u0441\u043b\u0438 \u043d\u0435 \u0440\u0430\u0432\u043d\u043e 1<\/td>\n<\/tr>\n
      \u041f\u0440\u044f\u043c\u0430\u044f \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0432 SQL<\/td>\n\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a SQL\u2011\u0438\u043d\u044a\u0435\u043a\u0446\u0438\u044f\u043c<\/td>\n\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f (prepare<\/code> + execute<\/code>)<\/td>\n<\/tr>\n
      \u041e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f<\/td>\n\u041b\u043e\u0433\u0438\u043a\u0430 \u043b\u043e\u043c\u0430\u0435\u0442\u0441\u044f, \u0435\u0441\u043b\u0438 ID \u043d\u0435 \u043d\u0430\u0439\u0434\u0435\u043d<\/td>\n\u0414\u0435\u043b\u0430\u0439\u0442\u0435 \u043f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 SELECT<\/code> \u0438\u043b\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u043b\u043e\u0433\u0438\u043a\u0443 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n
      \u041f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0441\u043e\u0432\u0435\u0442: \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u044f\u0435\u043c \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443 \u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e (\u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u043f\u043e\u0434\u0445\u043e\u0434)<\/h2>\n
      \u0418\u043d\u043e\u0433\u0434\u0430 \u0432\u043c\u0435\u0441\u0442\u043e \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0433\u043e SELECT<\/code> \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u0442\u043e\u043b\u044c\u043a\u043e UPDATE\/DELETE<\/code> \u0438 \u0430\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u044e\u0442 rowCount()<\/code>:<\/p>\n
      \n
      \n
      \n
      php<\/div>\n
      $stmt =<\/span> $pdo-><\/span>PREPARE<\/span>(<\/span>'UPDATE users SET email = :email WHERE id = :id'<\/span>)<\/span>;\r\n$stmt-><\/span>EXECUTE<\/span>(<\/span>[<\/span>':email'<\/span> =><\/span> $email,<\/span> ':id'<\/span> =><\/span> $id]<\/span>)<\/span>;\r\n$affected =<\/span> $stmt-><\/span>rowCount(<\/span>)<\/span>;\r\n\u00a0\r\nIF<\/span> (<\/span>$affected ===<\/span> 0<\/span>)<\/span> {<\/span>\r\n    throw NEW<\/span> Exception(<\/span>'\u0417\u0430\u043f\u0438\u0441\u044c \u043d\u0435 \u043d\u0430\u0439\u0434\u0435\u043d\u0430 \u0438\u043b\u0438 \u043d\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0430.'<\/span>)<\/span>;\r\n}<\/span> ELSEIF<\/span> (<\/span>$affected ><\/span> 1<\/span>)<\/span> {<\/span>\r\n    throw NEW<\/span> Exception(<\/span>'\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u043e \u0431\u043e\u043b\u044c\u0448\u0435 \u043e\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438 \u2014 \u044d\u0442\u043e \u043e\u0448\u0438\u0431\u043a\u0430 \u043b\u043e\u0433\u0438\u043a\u0438.'<\/span>)<\/span>;\r\n}<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
      \u042d\u0442\u043e\u0442 \u043f\u043e\u0434\u0445\u043e\u0434 \u043a\u043e\u0440\u043e\u0447\u0435, \u043d\u043e \u043c\u0435\u043d\u0435\u0435 \u043d\u0430\u0433\u043b\u044f\u0434\u0435\u043d \u043f\u0440\u0438 \u043e\u0442\u043b\u0430\u0434\u043a\u0435: \u0432\u044b \u043d\u0435 \u0432\u0438\u0434\u0438\u0442\u0435 \u0437\u0430\u0440\u0430\u043d\u0435\u0435, \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043b \u043b\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c. \u0414\u043b\u044f \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u043b\u0443\u0447\u0448\u0435 \u044f\u0432\u043d\u043e \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0442\u044c \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u0435.<\/p>\n
      \n
      \u0422\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438: \u043a\u043e\u0433\u0434\u0430 \u043d\u0443\u0436\u043d\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439<\/h2>\n
      \u0415\u0441\u043b\u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435\u00a0\u2014\u00a0\u0447\u0430\u0441\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u0441\u043b\u043e\u0436\u043d\u043e\u0439 \u043b\u043e\u0433\u0438\u043a\u0438 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u00ab\u0443\u0434\u0430\u043b\u0438\u0442\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0438 \u0432\u0441\u0435 \u0435\u0433\u043e \u0437\u0430\u043a\u0430\u0437\u044b\u00bb), \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438:<\/p>\n
      \n
      \n
      \n
      php<\/div>\n
      $pdo-><\/span>beginTransaction(<\/span>)<\/span>;\r\n\u00a0\r\ntry {<\/span>\r\n    \/\/<\/span> \u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0437\u0430\u043a\u0430\u0437\u043e\u0432\r\n    $stmt =<\/span> $pdo-><\/span>PREPARE<\/span>(<\/span>'DELETE FROM orders WHERE user_id = :id'<\/span>)<\/span>;\r\n    $stmt-><\/span>EXECUTE<\/span>(<\/span>[<\/span>':id'<\/span> =><\/span> $id]<\/span>)<\/span>;\r\n\u00a0\r\n    \/\/<\/span> \u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\r\n    $stmt =<\/span> $pdo-><\/span>PREPARE<\/span>(<\/span>'DELETE FROM users WHERE id = :id'<\/span>)<\/span>;\r\n    $stmt-><\/span>EXECUTE<\/span>(<\/span>[<\/span>':id'<\/span> =><\/span> $id]<\/span>)<\/span>;\r\n\u00a0\r\n    $pdo-><\/span>commit(<\/span>)<\/span>;\r\n}<\/span> catch (<\/span>Exception $e)<\/span> {<\/span>\r\n    $pdo-><\/span>ROLLBACK<\/span>(<\/span>)<\/span>;\r\n    \/\/<\/span> \u041b\u043e\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438\r\n    echo '\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u044f \u043e\u0442\u043c\u0435\u043d\u0435\u043d\u0430 \u0438\u0437-\u0437\u0430 \u043e\u0448\u0438\u0431\u043a\u0438.'<\/span>;\r\n}<\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
      \u041f\u0440\u0430\u0432\u0438\u043b\u0430 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439:<\/strong><\/p>\n
        \n
      • \u0412\u0441\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0432\u043d\u0443\u0442\u0440\u0438 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0434\u043e\u043b\u0436\u043d\u044b \u0431\u044b\u0442\u044c \u0432 \u043e\u0434\u043d\u043e\u043c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0438.<\/li>\n
      • \u041f\u0440\u0438 \u043b\u044e\u0431\u043e\u0439 \u043e\u0448\u0438\u0431\u043a\u0435 \u0434\u0435\u043b\u0430\u0439\u0442\u0435 rollBack()<\/code>.<\/li>\n
      • \u041d\u0435 \u0441\u043c\u0435\u0448\u0438\u0432\u0430\u0439\u0442\u0435 DDL (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, CREATE TABLE<\/code>) \u0438 DML (UPDATE\/DELETE<\/code>) \u0432 \u043e\u0434\u043d\u043e\u0439 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438\u00a0\u2014\u00a0\u0432 MySQL \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 DDL \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0444\u0438\u043a\u0441\u0438\u0440\u0443\u044e\u0442 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u044e.<\/li>\n<\/ul>\n
        \n
        \u041f\u0440\u0438\u043c\u0435\u0440 \u043f\u043e\u043b\u043d\u043e\u0433\u043e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0441 \u0432\u0430\u043b\u0438\u0434\u0430\u0446\u0438\u0435\u0439<\/h2>\n
        \n
        \n
        \n
        php<\/div>\n
        <<\/span>?php\r\nFUNCTION<\/span> updateUserEmail(<\/span>PDO $pdo,<\/span> INT<\/span> $id,<\/span> string $email)<\/span>: bool\r\n{<\/span>\r\n    \/\/<\/span> \u041f\u0440\u043e\u0441\u0442\u0430\u044f \u0432\u0430\u043b\u0438\u0434\u0430\u0446\u0438\u044f \u0444\u043e\u0440\u043c\u0430\u0442\u0430 email\r\n    IF<\/span> (<\/span>!filter_var(<\/span>$email,<\/span> FILTER_VALIDATE_EMAIL)<\/span>)<\/span> {<\/span>\r\n        throw NEW<\/span> InvalidArgumentException(<\/span>'\u041d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u044b\u0439 email.'<\/span>)<\/span>;\r\n    }<\/span>\r\n\u00a0\r\n    $pdo-><\/span>beginTransaction(<\/span>)<\/span>;\r\n    try {<\/span>\r\n        \/\/<\/span> \u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044f\r\n        $stmt =<\/span> $pdo-><\/span>PREPARE<\/span>(<\/span>'SELECT id FROM users WHERE id = :id FOR UPDATE'<\/span>)<\/span>;\r\n        $stmt-><\/span>EXECUTE<\/span>(<\/span>[<\/span>':id'<\/span> =><\/span> $id]<\/span>)<\/span>;\r\n        $row =<\/span> $stmt-><\/span>fetch(<\/span>)<\/span>;\r\n        IF<\/span> (<\/span>!$row)<\/span> {<\/span>\r\n            throw NEW<\/span> Exception(<\/span>'\u041f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043d\u0435 \u043d\u0430\u0439\u0434\u0435\u043d.'<\/span>)<\/span>;\r\n        }<\/span>\r\n\u00a0\r\n        \/\/<\/span> \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435\r\n        $stmt =<\/span> $pdo-><\/span>PREPARE<\/span>(<\/span>'UPDATE users SET email = :email WHERE id = :id'<\/span>)<\/span>;\r\n        $stmt-><\/span>EXECUTE<\/span>(<\/span>[<\/span>':email'<\/span> =><\/span> $email,<\/span> ':id'<\/span> =><\/span> $id]<\/span>)<\/span>;\r\n\u00a0\r\n        IF<\/span> (<\/span>$stmt-><\/span>rowCount(<\/span>)<\/span> !==<\/span> 1<\/span>)<\/span> {<\/span>\r\n            throw NEW<\/span> Exception(<\/span>'\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u0435 \u043f\u0440\u043e\u0448\u043b\u043e.'<\/span>)<\/span>;\r\n        }<\/span>\r\n\u00a0\r\n        $pdo-><\/span>commit(<\/span>)<\/span>;\r\n        RETURN<\/span> TRUE<\/span>;\r\n    }<\/span> catch (<\/span>Exception $e)<\/span> {<\/span>\r\n        $pdo-><\/span>ROLLBACK<\/span>(<\/span>)<\/span>;\r\n        throw $e;\r\n    }<\/span>\r\n}<\/span>\r\n?><\/span><\/pre>\n<\/div>\n<\/div>\n<\/div>\n
        FOR UPDATE<\/code> \u0432 SELECT<\/code> \u0431\u043b\u043e\u043a\u0438\u0440\u0443\u0435\u0442 \u0441\u0442\u0440\u043e\u043a\u0443 \u043d\u0430 \u0432\u0440\u0435\u043c\u044f \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0438 \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u0442 \u043e\u0442 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439.<\/p>\n
        \n
        \u0412\u044b\u0432\u043e\u0434<\/h2>\n
          \n
        • \u0412\u0441\u0435\u0433\u0434\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 WHERE<\/code> \u0441 \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u043a\u043b\u044e\u0447\u0430\u043c\u0438.<\/li>\n
        • \u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0439\u0442\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u0430\u043f\u0438\u0441\u0438 \u043f\u0435\u0440\u0435\u0434 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0435\u0439 \u043b\u0438\u0431\u043e \u0430\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u0439\u0442\u0435 rowCount()<\/code>.<\/li>\n
        • \u041f\u0440\u0438\u043c\u0435\u043d\u044f\u0439\u0442\u0435 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 SQL\u2011\u0438\u043d\u044a\u0435\u043a\u0446\u0438\u0439.<\/li>\n
        • \u0414\u043b\u044f \u0441\u043b\u043e\u0436\u043d\u044b\u0445 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0435\u0432 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0438 \u0441 commit\/rollBack<\/code>.<\/li>\n
        • \u041b\u043e\u0433\u0438\u0440\u0443\u0439\u0442\u0435 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438, \u043d\u043e \u043d\u0435 \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0439\u0442\u0435 \u0438\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
          \u0421\u0442\u0430\u0442\u044c\u044f \u043f\u043e\u0441\u0432\u044f\u0449\u0435\u043d\u0430 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f (UPDATE) \u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u044f (DELETE) \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 MySQL \u0447\u0435\u0440\u0435\u0437 PHP \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c PDO. \u041e\u0441\u043e\u0431\u043e\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0443\u0434\u0435\u043b\u0435\u043d\u043e \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u043c \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430\u043c: \u043d\u0430\u043b\u0438\u0447\u0438\u044e \u0437\u0430\u043f\u0438\u0441\u0438, \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0443 \u0437\u0430\u0442\u0440\u043e\u043d\u0443\u0442\u044b\u0445 \u0441\u0442\u0440\u043e\u043a \u0438 \u0437\u0430\u0449\u0438\u0442\u0435 \u043e\u0442 \u043e\u0448\u0438\u0431\u043e\u043a. \u0412\u0430\u0436\u043d\u043e\u0435 \u043f\u0440\u0430\u0432\u0438\u043b\u043e: \u0431\u0435\u0437 WHERE \u2014 \u043d\u0435\u043b\u044c\u0437\u044f \u041e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 UPDATE \u0438 DELETE \u0431\u0435\u0437 \u0443\u0441\u043b\u043e\u0432\u0438\u044f WHERE \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442\u0441\u044f \u043a\u043e \u0432\u0441\u0435\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u0435. \u041e\u0434\u043d\u0430 \u043e\u043f\u0435\u0447\u0430\u0442\u043a\u0430 \u043c\u043e\u0436\u0435\u0442 \u0441\u0442\u0435\u0440\u0435\u0442\u044c \u0438\u043b\u0438 \u0438\u0441\u043f\u043e\u0440\u0442\u0438\u0442\u044c […]<\/p>\n","protected":false},"author":9194254,"featured_media":135335,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[183],"tags":[],"class_list":["post-135338","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"views":7,"_links":{"self":[{"href":"https:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/135338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/users\/9194254"}],"replies":[{"embeddable":true,"href":"https:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=135338"}],"version-history":[{"count":1,"href":"https:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/135338\/revisions"}],"predecessor-version":[{"id":135339,"href":"https:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/posts\/135338\/revisions\/135339"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rcl-radio.ru\/index.php?rest_route=\/wp\/v2\/media\/135335"}],"wp:attachment":[{"href":"https:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=135338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=135338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rcl-radio.ru\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=135338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}