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mysql_num_fields

Get number of fields in result (PHP 4, PHP 5, PECL mysql:1.0)
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 1452. 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 downward compatibility, the following deprecated alias may be used: mysql_numfields()