odbc_field_len
(PHP 4, PHP 5, PHP 7, PHP 8)
odbc_field_len — Get the length (precision) of a field
說明
   odbc_field_len(resource 
  $statement, int $field): int|falseGets the length of the field referenced by number in the given result identifier.
參數
- 
statement
- 
      The result identifier. 
- 
field
- 
      The field number. Field numbering starts at 1. 
返回值
   Returns the field length, or false on error.