mssql_num_fields Gets the number of fields in result php函数


mssql_num_fields

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

mssql_num_fieldsGets the number of fields in result

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
$link mssql_connect('KALLESPCSQLEXPRESS''sa''phpfi');
mssql_select_db('php'$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



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