(PHP 3 <= 3.0.18, PHP 4 >= 4.0.0)
mysql_fetch_array -- Fetch a result row as an associative array, a numeric array, or
both.
Description
array mysql_fetch_array (resource result, int
[result_type])
Returns an array that corresponds to the fetched row, or FALSE if there
are no more rows.
mysql_fetch_array() is an extended version of mysql_fetch_row(). In addition to storing the data in
the numeric indices of the result array, it also stores the data in associative indices, using the
field names as keys.
If two or more columns of the result have the same field names, the last column will take
precedence. To access the other column(s) of the same name, you must use the numeric index of the
column or make an alias for the column. For aliased columns, you cannot access the contents with
the original column name (by using 'field' in this example).
select tone.field as foo ttwo.field as bar from tone, ttwo
|
An important thing to note is that using mysql_fetch_array() is not
significantly slower than using
mysql_fetch_row(), while it provides a significant added value.
The optional second argument result_type in
mysql_fetch_array() is a constant and can take the following values: MYSQL_ASSOC, MYSQL_NUM,
and MYSQL_BOTH. This feature was added in PHP 3.0.7. MYSQL_BOTH is the default for this
argument.
By using MYSQL_BOTH, you'll get an array with both associative and number indices.
Using MYSQL_ASSOC, you only get associative indices (as
mysql_fetch_assoc() works), using MYSQL_NUM, you only get number indices (as mysql_fetch_row() works).
For further details, see also
mysql_fetch_row() and
mysql_fetch_assoc().
|
Example 1. mysql_fetch_array() example
<?php
mysql_connect($host, $user, $password);
mysql_select_db("database");
$result = mysql_query("select user_id, fullname from table");
while ($row = mysql_fetch_array($result)) {
echo "user_id: ".$row["user_id"]."<br>\n";
echo "user_id: ".$row[0]."<br>\n";
echo "fullname: ".$row["fullname"]."<br>\n";
echo "fullname: ".$row[1]."<br>\n";
}
mysql_free_result($result);
?>
|
|
|