arrayPDOATTRCASE
ArrayPDOATTRCASE is a constant in PHP's PDO (PHP Data Objects) extension, used to specify the case of column names in the result set. This constant is part of the PDO::ATTR_CASE attribute, which controls the case of the column names in the result set.
When set to PDO::CASE_LOWER, all column names in the result set will be converted to lowercase. This
Similarly, setting ArrayPDOATTRCASE to PDO::CASE_UPPER will convert all column names to uppercase. This can be beneficial
The default behavior, PDO::CASE_NATURAL, leaves the column names in their original case as they are in the
To use ArrayPDOATTRCASE, you need to set it as an attribute on your PDO instance. Here is
$pdo = new PDO($dsn, $username, $password);
$pdo->setAttribute(PDO::ATTR_CASE, PDO::CASE_LOWER);
This constant is particularly useful in applications where the database schema might not be under your control,