(PHP 3, PHP 4 , PHP 5)

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


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

/* The users table consists of three fields:
*   user_id
*   username
*   password.
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
if (!
$db_selected) {
'Could not set $dbname: ' . mysql_error());
$dbname = 'mydb';
$db_selected = mysql_select_db($dbname, $link);
if (!
$db_selected) {
'Could not set $dbname: ' . mysql_error());
$res = mysql_query('select * from users', $link);

mysql_field_name($res, 0) . "\n";
mysql_field_name($res, 2);

The above example would produce the following output:


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

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