mysql_num_fields
PHP function
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(PHP 4, PHP 5)
Get number of fields in result
Note mysqli_num_fieldsPDOStatement::columnCount
Description
mysql_num_fields(resource $result): int|false
Retrieves the number of fields from a query.
Parameters
Return Values
Returns the number of fields in the result set resource on successFalseforfailure.
Examples
A mysql_num_fields() example
php
<?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
Alias mysql_numfields()