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mysql_list_tables	mysql_num_rows

	Last updated: Thu, 26 Jun 2008

mysql_num_fields

(PHP 4, PHP 5, PECL mysql:1.0)

mysql_num_fields — Get number of fields in result

Description

int mysql_num_fields ( resource $result )

Retrieves the number of fields from a query.

Parameters

result: The result resource that is being evaluated. This result comes from a call to mysql_query().

Return Values

Returns the number of fields in the result set resource on success, or FALSE on failure.

Examples

Example #1 A mysql_num_fields() example


<?php

$result = mysql_query("SELECT id,email FROM people WHERE id = '42'");

if (!$result) {

    echo 'Could not run query: ' . mysql_error();

    exit;

}



/* returns 2 because id,email === two fields */

echo mysql_num_fields($result);

?>

Notes

Note: For backward compatibility, the following deprecated alias may be used: mysql_numfields()