dbase_get_header_info

(PHP 5)

dbase_get_header_info — Gets the header info of a database

说明

array dbase_get_header_info ( int $dbase_identifier )

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.)
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.

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);
?>


	PHP5中文手册 dbase_delete_record dbase_get_record_with_names dBase PHP Manual dbase_get_header_info (PHP 5) dbase_get_header_info — Gets the header info of a database 说明 array dbase_get_header_info ( int `$dbase_identifier` ) 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.) 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. 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); ?>` dbase_delete_record dbase_get_record_with_names dBase PHP Manual