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ext/pdo: Hide DSNs in connection exception traces - #25290
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A DSN may embed a password (password=... for most drivers, PWD=... for odbc), so mark the $dsn argument of PDO::__construct() and PDO::connect() sensitive, as $password already is. The Pdo\* driver subclasses inherit both methods and get the same redaction.
ndossche
approved these changes
Nov 8, 2026
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A DSN can carry a password (password= for most drivers, PWD= for odbc), but only the separate $password argument of PDO::__construct() and PDO::connect() was marked
#[\SensitiveParameter], so withzend.exception_ignore_args=Offa failed connect put the full DSN into the exception's trace. This marks$dsnsensitive on both methods, and the Pdo* driver subclasses inherit the redaction. Follows #23782.