`mysql_field_name`

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 20.43. 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 MariaDB 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