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fbsql_data_seek

(PHP 4 >= 4.0.6, PHP 5)

fbsql_data_seek -- Move internal result pointer

Description

bool fbsql_data_seek ( resource result_identifier, int row_number )

Returns TRUE on success or FALSE on failure.

fbsql_data_seek() moves the internal row pointer of the FrontBase result associated with the specified result identifier to point to the specified row number. The next call to fbsql_fetch_row() would return that row.

Row_number starts at 0.

Example 1. fbsql_data_seek() example


<?php
    $link = fbsql_pconnect("localhost", "_SYSTEM", "secret")
        or die("Could not connect");

    fbsql_select_db("samp_db")
        or die("Could not select database");

    $query = "SELECT last_name, first_name FROM friends;";
    $result = fbsql_query($query)
        or die("Query failed");

    // fetch rows in reverse order

    for ($i = fbsql_num_rows($result) - 1; $i >=0; $i--) {
        if (!fbsql_data_seek($result, $i)) {
            printf("Cannot seek to row %d\n", $i);
            continue;
        }

        if (!($row = fbsql_fetch_object($result)))
            continue;

        echo $row->last_name . $row->first_name . "<br />\n";
    }

    fbsql_free_result($result);
?>

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