Mssql 函数
PHP Manual

mssql_num_fields

(PHP 4, PHP 5, PECL odbtp >= 1.1.1)

mssql_num_fields — Gets the number of fields in result

Warning

This function was REMOVED in PHP 7.0.0.

Alternatives to this function include:

说明

int mssql_num_fields ( resource $result )

mssql_num_fields() returns the number of fields in a result set.

参数

result

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

返回值

Returns the number of fields, as an integer.

范例

Example #1 mssql_num_fields() example

<?php
// Connect to MSSQL and select the database
$link = mssql_connect('KALLESPC\SQLEXPRESS', 'sa', 'phpfi');
mssql_select_db('php', $link);

// Select some data from our database
$data = mssql_query('SELECT [name], [age] FROM [php].[dbo].[persons]');

// Construct a table
echo '<table border="1">';

$header = false;

// Iterate through returned results
while ($row = mssql_fetch_array($data)) {
    // Build the table header
    if (!$header) {
        echo '<thead>';
        echo '<tr>';

        for ($i = 1; ($i + 1) <= mssql_num_fields($data); ++$i) {
            echo '<td>' . ucfirst($row[$i]) . '</td>';
        }

        echo '</tr>';
        echo '</thead>';
        echo '<tbody>';

        $header = true;
    }

    // Build the row
    echo '<tr>';

    foreach($row as $value) {
        echo '<td>' . $value . '</td>';
    }

    echo '</tr>';
}

// Close table
echo '</tbody>';
echo '</table>';

// Clean up
mssql_free_result($data);
mssql_close($link);
?>

参见

Mssql 函数
PHP Manual