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  [2004-07-29 18:19 UTC] dan at yes dot lt
 Description:
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Fatal error:  Uncaught exception 'PDOException' with message '[2017] Can't open named pipe to host: .  pipe: MySQL (2)' in ...
Reproduce code:
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$db = new PDO('mysql:dbname=test;host=localhost', 'user', 'password');
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        Last updated: Tue Nov 04 12:00:01 2025 UTC | 
pdo_mysql try to connect to mysql with unix socket if you enter "localhost" as hostname. Use ip address (127.0.0.1) instead of hostname (localhost) : $db = new PDO('mysql:dbname=test;host=127.0.0.1', 'user', 'password'); It worked for me on XP.