mssql_num_fields()

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

Gets the number of fields in result

Warning

This function wasREMOVEDin PHP 7.0.0.

Alternatives to this function include:

• PDOStatement::columnCount()
• sqlsrv_num_fields()
• odbc_num_fields()

说明

mssql_num_fields(resource $result): int

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_query()Send MS SQL query
• mssql_fetch_field()Get field information
• mssql_num_rows()Gets the number of rows in result