sybase_fetch_field

(PHP 4, PHP 5)

sybase_fetch_field — Get field information from a result

说明

object sybase_fetch_field ( resource $result [, int $field_offset = -1 ] )

sybase_fetch_field() can be used in order to obtain information about fields in a certain query result.

参数

result
field_offset: If the field offset isn't specified, the next field that wasn't yet retrieved by sybase_fetch_field() is retrieved.

返回值

Returns an object containing field information.

The properties of the object are:

name - column name. if the column is a result of a function, this property is set to computed#N, where #N is a serial number.
column_source - the table from which the column was taken
max_length - maximum length of the column
numeric - 1 if the column is numeric
type - datatype of the column

参见

sybase_field_seek() - Sets field offset

PHP手册 - N: Get field information from a result

用户评论:

anthony dot leung at virgin dot net (25-Jun-2003 07:44)

Bit short on comments and tips bout this one so head down to mysql_fetch_fields where the concept is the same. I seemed to get an infinite loop over there using the $i counter tho, so I used a for loop instead. The list of properties you can get from what I've called $info is in the example to the mysql equivalent. //start of an example to print out column headings echo "<table><tr>"; $numfields=sybase_num_fields($query); for ($f=0;$f<=$numfields;$f++){ $info = sybase_fetch_field($query); echo "<td> $info->name </td>"; } echo "</tr><tr>";

gray at voicenet dot com (15-Oct-1999 11:27)

The 'type' field contains (roughly) the datatype of the source column. Types returned are: 'type' Sybase Type ------- -------------------------- string CHAR, VARCHAR, TEXT image IMAGE blob BINARY, VARBINARY bit BIT int TINYINT, SMALLINT, INT real REAL, FLOAT, NUMERIC, DECIMAL money MONEY datetime DATETIME, SMALLDATETIME