db2_fetch_array

(PECL ibm_db2 >= 1.0.1)

db2_fetch_array — Returns an array, indexed by column position, representing a row in a result set

Descrição

db2_fetch_array(resource $stmt, int $row_number = -1): array|false

Returns an array, indexed by column position, representing a row in a result set. The columns are 0-indexed.

Parâmetros

stmt: A valid stmt resource containing a result set.
row_number: Requests a specific 1-indexed row from the result set. Passing this parameter results in a PHP warning if the result set uses a forward-only cursor.

Valor Retornado

Returns a 0-indexed array with column values indexed by the column position representing the next or requested row in the result set. Returns false if there are no rows left in the result set, or if the row requested by row_number does not exist in the result set.

Exemplos

Example #1 Iterating through a forward-only cursor

If you call db2_fetch_array() without a specific row number, it automatically retrieves the next row in the result set.

<?php

$sql = "SELECT id, name, breed, weight FROM animals ORDER BY breed";
$stmt = db2_prepare($conn, $sql);
$result = db2_execute($stmt);

while ($row = db2_fetch_array($stmt)) {
    printf ("%-5d %-16s %-32s %10s\n", 
        $row[0], $row[1], $row[2], $row[3]);
}
?>

O exemplo acima produzirá:

0     Pook             cat                                    3.20
5     Rickety Ride     goat                                   9.70
2     Smarty           horse                                350.00

Example #2 Retrieving specific rows with db2_fetch_array() from a scrollable cursor

If your result set uses a scrollable cursor, you can call db2_fetch_array() with a specific row number. The following example retrieves every other row in the result set, starting with the second row.

<?php

$sql = "SELECT id, name, breed, weight FROM animals ORDER BY breed";
$result = db2_exec($stmt, $sql, array('cursor' => DB2_SCROLLABLE));

$i=2;
while ($row = db2_fetch_array($result, $i)) {
    printf ("%-5d %-16s %-32s %10s\n", 
        $row[0], $row[1], $row[2], $row[3]);
    $i = $i + 2;
}
?>

O exemplo acima produzirá:

0     Pook             cat                                    3.20
5     Rickety Ride     goat                                   9.70
2     Smarty           horse                                350.00

Veja Também

db2_fetch_assoc() - Returns an array, indexed by column name, representing a row in a result set
db2_fetch_both() - Returns an array, indexed by both column name and position, representing a row in a result set
db2_fetch_object() - Returns an object with properties representing columns in the fetched row
db2_fetch_row() - Sets the result set pointer to the next row or requested row
db2_result() - Returns a single column from a row in the result set