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Get the name of the specified field in a result


mysql_field_name

(PHP 4, PHP 5)

mysql_field_nameGet 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($res0) . "\n";
echo 
mysql_field_name($res2);
?>

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()

See Also


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