PHP: fbsql_data_seek

fbsql_data_seek

(PHP 4 >= 4.0.6, PHP 5)

fbsql_data_seek -- Move internal result pointer

Описание

bool fbsql_data_seek ( resource result_identifier, int row_number )

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.

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.

Пример 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);

?>

fbsql_data_seek

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