Example 1. Setting the fetch mode
     The following example demonstrates how
     PDOStatement::setFetchMode() changes the default fetch
     mode for a PDOStatement object.
    
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<?php$sql = 'SELECT name, colour, calories FROM fruit';
 try {
 $stmt = $dbh->query($sql);
 $result = $stmt->setFetchMode(PDO::FETCH_NUM);
 while ($row = $stmt->fetch()) {
 print $row[0] . "\t" . $row[1] . "\t" . $row[2] . "\n";
 }
 }
 catch (PDOException $e) {
 print $e->getMessage();
 }
 ?>
 | 
The above example will output:
| apple   red     150
banana  yellow  250
orange  orange  300
kiwi    brown   75
lemon   yellow  25
pear    green   150
watermelon      pink    90 |