IBM DB2 函数
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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

说明

array db2_fetch_array ( resource $stmt [, int $row_number = -1 ] )

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

参数

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.

返回值

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.

范例

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]);
}
?>

以上例程会输出:

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;
}
?>

以上例程会输出:

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

参见


IBM DB2 函数
在线手册:中文  英文
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