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fbsql_fetch_field

(PHP 4 >= 4.0.6)

fbsql_fetch_field --  Get column information from a result and return as an object

Description

object fbsql_fetch_field (resource result [, int field_offset])

Warning

This function is EXPERIMENTAL. That means, that the behaviour of this function, this function name, in concreto ANYTHING documented here can change in a future release of PHP WITHOUT NOTICE. Be warned, and use this function at your own risk.

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:

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().

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