db2_fetch_assoc

(PECL ibm_db2 >= 1.0.0)

db2_fetch_assoc Returns an array, indexed by column name, representing a row in a result set

Descrierea

db2_fetch_assoc ( resource $stmt [, int $row_number = -1 ] ) : array

Returns an array, indexed by column name, representing a row in a result set.

Parametri

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.

Valorile întoarse

Returns an associative array with column values indexed by the column name 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.

Exemple

Example #1 Iterating through a forward-only cursor

If you call db2_fetch_assoc() 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 (
$row db2_fetch_assoc($stmt)) {
    
printf ("%-5d %-16s %-32s %10s\n"
        
$row['ID'], $row['NAME'], $row['BREED'], $row['WEIGHT']);
}
?>

Exemplul de mai sus va afișa:

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

Example #2 Retrieving specific rows with db2_fetch_assoc() from a scrollable cursor

If your result set uses a scrollable cursor, you can call db2_fetch_assoc() 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 (
$row db2_fetch_assoc($result$i)) {
    
printf ("%-5d %-16s %-32s %10s\n"
        
$row['ID'], $row['NAME'], $row['BREED'], $row['WEIGHT']);
    
$i $i 2;
}
?>

Exemplul de mai sus va afișa:

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

A se vedea și

  • db2_fetch_array() - Returns an array, indexed by column position, 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