PDOStatement::setFetchMode

Articolo
06/02/2023

Specifica la modalità di recupero per l'handle PDOStatement.

Sintassi

  
bool PDOStatement::setFetchMode( $mode );

Parametri

$mode: tutti i parametri validi da passare a PDOStatement::fetch.

Valore restituito

true se ha esito positivo; in caso contrario, false.

Osservazioni

Il supporto per PDO è stato aggiunto nella versione 2.0 dei driver Microsoft per PHP per SQL Server.

Esempio

<?php  
   $server = "(local)";  
   $database = "AdventureWorks";  
   $conn = new PDO( "sqlsrv:server=$server ; Database = $database", "", "");  
  
   $stmt1 = $conn->query( "select * from Person.ContactType where ContactTypeID < 5 " );  
   while ( $row = $stmt1->fetch()) {   
      print($row['Name'] . "\n");   
   }  
   print( "\n---------- PDO::FETCH_ASSOC -------------\n" );  
   $stmt = $conn->query( "select * from Person.ContactType where ContactTypeID < 5 " );  
   $stmt->setFetchMode(PDO::FETCH_ASSOC);  
   $result = $stmt->fetch();  
   print_r( $result );  
  
   print( "\n---------- PDO::FETCH_NUM -------------\n" );  
   $stmt = $conn->query( "select * from Person.ContactType where ContactTypeID < 5 " );  
   $stmt->setFetchMode(PDO::FETCH_NUM);  
   $result = $stmt->fetch();  
   print_r ($result );  
  
   print( "\n---------- PDO::FETCH_BOTH -------------\n" );  
   $stmt = $conn->query( "select * from Person.ContactType where ContactTypeID < 5 " );  
   $stmt->setFetchMode(PDO::FETCH_BOTH);  
   $result = $stmt->fetch();  
   print_r( $result );  
  
   print( "\n---------- PDO::FETCH_LAZY -------------\n" );  
   $stmt = $conn->query( "select * from Person.ContactType where ContactTypeID < 5 " );  
   $stmt->setFetchMode(PDO::FETCH_LAZY);  
   $result = $stmt->fetch();  
   print_r( $result );  
  
   print( "\n---------- PDO::FETCH_OBJ -------------\n" );  
   $stmt = $conn->query( "select * from Person.ContactType where ContactTypeID < 5 " );  
   $stmt->setFetchMode(PDO::FETCH_OBJ);  
   $result = $stmt->fetch();  
   print $result->Name;  
   print( "\n \n" );  
?>

Vedere anche

Classe PDOStatement

PDO

Share via