fbsql_fetch_field
(PHP 4 >= 4.0.6, PHP 5)
fbsql_fetch_field --
Get column information from a result and return as an object
Description
object
fbsql_fetch_field ( resource result [, int field_offset] )
Returns an object containing field information.
fbsql_fetch_field() can be used in order to
obtain information about fields in a certain query result. If
the field offset isn't specified, the next field that wasn't yet
retrieved by fbsql_fetch_field() is retrieved.
The properties of the object are:
name - column name
table - name of the table the column belongs to
max_length - maximum length of the column
not_null - 1 if the column cannot be NULL
type - the type of the column
Example 1. fbsql_fetch_field() example
<?php fbsql_connect($host, $user, $password) or die("Could not connect"); $result = fbsql_db_query("database", "select * from table") or die("Query failed"); # get column metadata $i = 0; while ($i < fbsql_num_fields($result)) { echo "Information for column $i:<br />\n"; $meta = fbsql_fetch_field($result); if (!$meta) { echo "No information available<br />\n"; } echo "<pre> max_length: $meta->max_length name: $meta->name not_null: $meta->not_null table: $meta->table type: $meta->type </pre>"; $i++; } fbsql_free_result($result); ?>
|
|
See also fbsql_field_seek().