fbsql_fetch_field

(PHP 4 >= 4.0.6, PHP 5)

fbsql_fetch_field --  結果からカラム情報を得て、オブジェクトとして返す

説明

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:

例 1. fbsql_fetch_field()の例

<?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);
?>

fbsql_field_seek()も参照ください。