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).
Example 1. Query with aliased duplicate field names SELECT table1.field AS foo, table2.field AS bar FROM table1, table2 |
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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).
Note: Field names returned by this function
are case-sensitive.
Note: This function sets NULL fields to
PHP NULL value.
Example 2. mysql_fetch_array() with MYSQL_NUM
<?php
mysql_connect("localhost", "mysql_user", "mysql_password") or
die("Could not connect: " . mysql_error());
mysql_select_db("mydb");
$result = mysql_query("SELECT id, name FROM mytable");
while ($row = mysql_fetch_array($result, MYSQL_NUM)) {
printf("ID: %s Name: %s", $row[0], $row[1]);
}
mysql_free_result($result);
?>
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Example 3. mysql_fetch_array() with MYSQL_ASSOC
<?php
mysql_connect("localhost", "mysql_user", "mysql_password") or
die("Could not connect: " . mysql_error());
mysql_select_db("mydb");
$result = mysql_query("SELECT id, name FROM mytable");
while ($row = mysql_fetch_array($result, MYSQL_ASSOC)) {
printf("ID: %s Name: %s", $row["id"], $row["name"]);
}
mysql_free_result($result);
?>
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Example 4. mysql_fetch_array() with MYSQL_BOTH
<?php
mysql_connect("localhost", "mysql_user", "mysql_password") or
die("Could not connect: " . mysql_error());
mysql_select_db("mydb");
$result = mysql_query("SELECT id, name FROM mytable");
while ($row = mysql_fetch_array($result, MYSQL_BOTH)) {
printf ("ID: %s Name: %s", $row[0], $row["name"]);
}
mysql_free_result($result);
?>
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See also
mysql_fetch_row() and
mysql_fetch_assoc().
