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<?php error_reporting(-1); // PHP 7.1 ALL error $nuova_data = '2021-10-05'; $row['BookID'] = 1; $query = "UPDATE book SET year = '$nuova_data' WHERE BookID = '$row'['BookID']"; //$query2 = $query = "UPDATE book SET year = '$nuova_data' WHERE BookID = '{$row['BookID']}'"; var_dump($query);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/21GA4 on line 5 string(68) "UPDATE book SET year = '2021-10-05' WHERE BookID = 'Array'['BookID']"

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