php - PDO statement where table and field names are variables -

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• can php pdo statements accept table or column name parameter? 6 answers

i trying update db using pdo statement, have had no real problems until try update using variables name , field .

    $real_function = 'top' ;     $value = 99 ;     $tablename = "twitter_control" ;      $stmt = $pdo->prepare("update ? set ?=? id='control' ");     $stmt->execute(array( $tablename, $real_function, $value )); 

if use code works expected

  $stmt = $pdo->prepare("update twitter_control set top=? id='control' ");   $stmt->execute(array( $value )); 

how can make work ? , suggestions please ?

you can do:

$stmt = $pdo->prepare("update {$tablename} set {$real_function}=? id='control' "); 

in prepare statement work. far know can bind values execute input parameter or bindparam function.. if can correct me otherwise..

dins