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PHP maxdb_field_seek

PHP original manual for maxdb_field_seek [ show | php.net ]

maxdb_field_seek

maxdb_result::field_seek

(PECL maxdb >= 1.0)

maxdb_field_seek -- maxdb_result::field_seek — Set result pointer to a specified field offset

Description

Procedural style

bool maxdb_field_seek ( resource $result , int $fieldnr )

Object oriented style

bool maxdb_result::field_seek ( int $fieldnr )

Sets the field cursor to the given offset. The next call to maxdb_fetch_field() will retrieve the field definition of the column associated with that offset.

Note:

To seek to the beginning of a row, pass an offset value of zero.

Return Values

maxdb_field_seek() returns previuos value of field cursor.

Examples

Example #1 Object oriented style

<?php
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

$query = "SELECT name, cno from hotel.customer ORDER BY cno";

if ($result = $maxdb->query($query)) {

   /* Get field information for 2nd column */
   $result->field_seek(1);
   $finfo = $result->fetch_field();

   printf("Name:     %s\n", $finfo->name);
   printf("Table:    %s\n", $finfo->table);
   printf("max. Len: %d\n", $finfo->max_length);
   printf("Flags:    %d\n", $finfo->flags);
   printf("Type:     %d\n\n", $finfo->type);

   $result->close();
}

/* close connection */
$maxdb->close();
?>

Example #2 Procedural style

<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");

/* check connection */
if (maxdb_connect_errno()) {
   printf("Connect failed: %s\n", maxdb_connect_error());
   exit();
}

$query = "SELECT name, cno from hotel.customer ORDER BY cno";

if ($result = maxdb_query($link, $query)) {

   /* Get field information for 2nd column */
   maxdb_field_seek($result, 1);
   $finfo = maxdb_fetch_field($result);

   printf("Name:     %s\n", $finfo->name);
   printf("Table:    %s\n", $finfo->table);
   printf("max. Len: %d\n", $finfo->max_length);
   printf("Flags:    %d\n", $finfo->flags);
   printf("Type:     %d\n\n", $finfo->type);

   maxdb_free_result($result);
}

/* close connection */
maxdb_close($link);
?>

The above example will output something similar to:

Name:     NAME
Table:
max. Len: 10
Flags:    -1
Type:     2

See Also