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run code in 150+ php & hhvm versions
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<?php $tablename = array ('referer_medium', 'referer_source', 'referer_campaign'); foreach ($tablename as $name) { Piwik_Exec("ALTER TABLE `". Piwik_Common::prefixTable('log_visit') . "` DROP `referer_medium`") }
Output for 5.3.0 - 5.4.19
Parse error: syntax error, unexpected '}' in /in/QukUD on line 7
Process exited with code 255.