mysql_field_name

(PHP 4, PHP 5, PECL mysql:1.0)

mysql_field_name — Get the name of the specified field in a result

Description

string mysql_field_name ( resource $result , int $field_offset )

mysql_field_name() returns the name of the specified field index.

Parameters

result: The result resource that is being evaluated. This result comes from a call to mysql_query().
field_offset: The numerical field offset. The field_offset starts at 0. If field_offset does not exist, an error of level E_WARNING is also issued.

Return Values

The name of the specified field index on success, or FALSE on failure.

Examples

Example #1 mysql_field_name() example


<?php

/* The users table consists of three fields:

*   user_id

*   username

*   password.

*/

$link = @mysql_connect('localhost', 'mysql_user', 'mysql_password');

if (!$link) {

    die('Could not connect to MySQL server: ' . mysql_error());

}

$dbname = 'mydb';

$db_selected = mysql_select_db($dbname, $link);

if (!$db_selected) {

    die("Could not set $dbname: " . mysql_error());

}

$res = mysql_query('select * from users', $link);



echo mysql_field_name($res, 0) . "\n";

echo mysql_field_name($res, 2);

?>

The above example will output:

user_id
password

Notes

Note: Field names returned by this function are case-sensitive.

Note: For backward compatibility, the following deprecated alias may be used: mysql_fieldname()