PHP 8.1 compatibility, fix "Warning - foreach() argument must be of type" #17688
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refs #17686
fixes
in php 8.1
I think
matomo/core/Tracker/Db/Pdo/Mysql.php
Lines 226 to 227 in 77f607d
makes sure it worked correctly nevertheless, but the logging of the SQL query doesn't seem to contain such code.
Review