PHP Builder: mysql_field_name

(PHP 3, PHP 4 >= 4.0.0)

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.

Huomaa: 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.

Esimerkki 1. mysql_field_name() example
/* The users table consists of three fields: * user_id * username * password. */ $link = mysql_connect('localhost', "mysql_user", "mysql_password"); mysql_select_db($dbname, $link) or die("Could not set $dbname"); $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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