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Connecting PHP to MySQL with PDO

Create a PDO connection using a mysql: DSN, credentials and safe driver options. Set utf8mb4 in the DSN and avoid printing credentials or connection details in production errors.

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Connecting PHP to SQLite with PDO

Use sqlite: and a local database path for a lightweight relational store. File permissions and concurrent writes require attention; in-memory sqlite::memory: databases vanish with the conne…

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Connecting to MySQL with PDO

PDO provides exception-driven database access through a MySQL DSN and prepared statements. Do not embed production passwords directly in scripts or interpolate user input into SQL.

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