(PHP3 , PHP4 )
mysql_data_seek -- Move internal result pointer
Description
int mysql_data_seek (int result_identifier, int row_number)
Returns: true on success, false on failure.
mysql_data_seek() moves the internal row
pointer of the MySQL result associated with the specified result
identifier to point to the specified row number. The next call
to mysql_fetch_row() would return that row.
Row_number starts at 0.
Példa 1. MySQL data seek example 1
2 <?php
3 $link = mysql_pconnect ("kron", "jutta", "geheim")
4 or die ("Could not connect");
5
6 mysql_select_db ("samp_db")
7 or die ("Could not select database");
8
9 $query = "SELECT last_name, first_name FROM friends";
10 $result = mysql_query ($query)
11 or die ("Query failed");
12
13 # fetch rows in reverse order
14
15 for ($i = mysql_num_rows ($result) - 1; $i >=0; $i--) {
16 if (!mysql_data_seek ($result, $i)) {
17 printf ("Cannot seek to row %d\n", $i);
18 continue;
19 }
20
21 if(!($row = mysql_fetch_object ($result)))
22 continue;
23
24 printf ("%s %s<BR>\n", $row->last_name, $row->first_name);
25 }
26
27 mysql_free_result ($result);
28 ?>
29 |
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