(PHP 4, PHP 5, PHP 7)
odbc_field_len — Get the length (precision) of a field
odbc_field_len ( resource $result_id , int $field_number ) : int
Gets the length of the field referenced by number in the given result identifier.
result_id
The result identifier.
field_number
The field number. Field numbering starts at 1.
Returns the field length, or false
on error.
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https://www.php.net/manual/en/function.odbc-field-len.php