Return Values
   An indexed array with an entry for each column in the database. The array index
   starts at 0.
  
   Each array element contains an associative array of column information, as
   described here:
   
- name
 
       The name of the column
      
- type
 
       The human-readable name for the dbase type of the column (i.e. date,
       boolean, etc.)
      
- length
 
       The number of bytes this column can hold
      
- precision
 
       The number of digits of decimal precision for the column
      
- format
 
       A suggested printf() format specifier for the column
      
- offset
 
       The byte offset of the column from the start of the row
      
 
  
   If the database header information cannot be read, FALSE is returned.