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PHP maxdb_num_fields

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

maxdb_num_fields

maxdb_result::field_count

(PECL maxdb >= 1.0)

maxdb_num_fields -- maxdb_result::field_count — Get the number of fields in a result

Description

Procedural style

int maxdb_num_fields ( resource $result )

Object oriented style

int $maxdb_result->field_count;

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

Return Values

The number of fields from a result set

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();
}

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 example will output something similar to:

Result set has 3 fields.

See Also