PHP를 사용하여 소켓 연결 만들기
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PHP를 사용하여 PostgreSQL용 Cloud SQL에 Unix 소켓 연결을 엽니다.
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코드 샘플
PHP
PostgreSQL용 Cloud SQL에 인증하려면 애플리케이션 기본 사용자 인증 정보를 설정합니다.
자세한 내용은 로컬 개발 환경의 인증 설정을 참조하세요.
달리 명시되지 않는 한 이 페이지의 콘텐츠에는 Creative Commons Attribution 4.0 라이선스에 따라 라이선스가 부여되며, 코드 샘플에는 Apache 2.0 라이선스에 따라 라이선스가 부여됩니다. 자세한 내용은 Google Developers 사이트 정책을 참조하세요. 자바는 Oracle 및/또는 Oracle 계열사의 등록 상표입니다.
[[["이해하기 쉬움","easyToUnderstand","thumb-up"],["문제가 해결됨","solvedMyProblem","thumb-up"],["기타","otherUp","thumb-up"]],[["이해하기 어려움","hardToUnderstand","thumb-down"],["잘못된 정보 또는 샘플 코드","incorrectInformationOrSampleCode","thumb-down"],["필요한 정보/샘플이 없음","missingTheInformationSamplesINeed","thumb-down"],["번역 문제","translationIssue","thumb-down"],["기타","otherDown","thumb-down"]],[],[],[],null,["# Create a socket connection by using PHP\n\nOpen a Unix socket connection to Cloud SQL for PostgreSQL by using PHP.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Connect from App Engine flexible environment](/sql/docs/postgres/connect-app-engine-flexible)\n- [Connect from App Engine standard environment](/sql/docs/postgres/connect-app-engine-standard)\n- [Connect from Cloud Build](/sql/docs/postgres/connect-build)\n- [Connect from Cloud Run](/sql/docs/postgres/connect-run)\n- [Connect from Cloud Run functions](/sql/docs/postgres/connect-functions)\n- [Connect using the Cloud SQL Auth Proxy](/sql/docs/postgres/connect-auth-proxy)\n- [Manage database connections](/sql/docs/postgres/manage-connections)\n\nCode sample\n-----------\n\n### PHP\n\n\nTo authenticate to Cloud SQL for PostgreSQL, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n namespace Google\\Cloud\\Samples\\CloudSQL\\Postgres;\n\n use PDO;\n use PDOException;\n use RuntimeException;\n use TypeError;\n\n class DatabaseUnix\n {\n public static function initUnixDatabaseConnection(): PDO\n {\n try {\n // Note: Saving credentials in environment variables is convenient, but not\n // secure - consider a more secure solution such as\n // Cloud Secret Manager (https://cloud.google.com/secret-manager) to help\n // keep secrets safe.\n $username = getenv('DB_USER'); // e.g. 'your_db_user'\n $password = getenv('DB_PASS'); // e.g. 'your_db_password'\n $dbName = getenv('DB_NAME'); // e.g. 'your_db_name'\n $instanceUnixSocket = getenv('INSTANCE_UNIX_SOCKET'); // e.g. '/cloudsql/project:region:instance'\n\n // Connect using UNIX sockets\n $dsn = sprintf(\n 'pgsql:dbname=%s;host=%s',\n $dbName,\n $instanceUnixSocket\n );\n\n // Connect to the database.\n $conn = new PDO(\n $dsn,\n $username,\n $password,\n # ...\n );\n } catch (TypeError $e) {\n throw new RuntimeException(\n sprintf(\n 'Invalid or missing configuration! Make sure you have set ' .\n '$username, $password, $dbName, ' .\n 'and $instanceUnixSocket (for UNIX socket mode). ' .\n 'The PHP error was %s',\n $e-\u003egetMessage()\n ),\n (int) $e-\u003egetCode(),\n $e\n );\n } catch (PDOException $e) {\n throw new RuntimeException(\n sprintf(\n 'Could not connect to the Cloud SQL Database. Check that ' .\n 'your username and password are correct, that the Cloud SQL ' .\n 'proxy is running, and that the database exists and is ready ' .\n 'for use. For more assistance, refer to %s. The PDO error was %s',\n 'https://cloud.google.com/sql/docs/postgres/connect-external-app',\n $e-\u003egetMessage()\n ),\n (int) $e-\u003egetCode(),\n $e\n );\n }\n\n return $conn;\n }\n }\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=cloud_sql_postgres)."]]