maxdb_num_fields

maxdb_num_fields

(PECL)

maxdb_num_fields

(no version information, might be only in CVS)

result->field_count --  Get the number of fields in a result

Description

Procedural style:

int maxdb_num_fields ( resource result )

Object oriented style (property):

class result {

int field_count

}

maxdb_num_fields() returns the number of fields from specified result set.

Return Values

The number of fields from a result set

Example

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();
}

if (
$result = $maxdb->query("SELECT * FROM hotel.city ORDER BY zip")) {

   
/* determine number of fields in result set */
   
$field_cnt = $result->field_count;

   
printf("Result set has %d fields.\n", $field_cnt);

   
/* close result set */
   
$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();
}

if (
$result = maxdb_query($link, "SELECT * FROM hotel.city ORDER BY zip")) {

   
/* determine number of fields in result set */
   
$field_cnt = maxdb_num_fields($result);

   
printf("Result set has %d fields.\n", $field_cnt);

   
/* close result set */
   
maxdb_free_result($result);
}

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

The above examples would produce the following output:

Result set has 3 fields.
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