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mysql_field_name

(PHP 3, PHP 4 )

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

Description

string mysql_field_name ( resource result, int field_index)

mysql_field_name() returns the name of the specified field index. result must be a valid result identifier and field_index is the numerical offset of the field.

Note: field_index starts at 0.

e.g. The index of the third field would actually be 2, the index of the fourth field would be 3 and so on.

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

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");
$dbname = "mydb";
mysql_select_db($dbname, $link)
    or 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 would produce the following output:

user_id
 password

For downwards compatibility mysql_fieldname() can also be used. This is deprecated, however.

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