dbase_get_header_info()
(PHP 5 < 5.3.0, dbase 5, dbase 7)
Gets the header info of a database
说明
dbase_get_header_info(resource $dbase_identifier): array
Returns information on the column structure of the given database link identifier.
参数
- $dbase_identifier
The database link identifier, returned by dbase_open() or dbase_create().
返回值
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.)The supported field types are listed in the introduction section.
- 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.
更新日志
| 版本 | 说明 |
|---|---|
| dbase 7.0.0 | $dbase_identifieris now a resource instead of an int. |
范例
Example #1 Showing header information for a dBase database file
<?php
// Path to dbase file
$db_path = "/tmp/test.dbf";
// Open dbase file
$dbh = dbase_open($db_path, 0)
or die("Error! Could not open dbase database file '$db_path'.");
// Get column information
$column_info = dbase_get_header_info($dbh);
// Display information
print_r($column_info);
?>