mysqli_result::fetch_assoc

定義和用法

fetch_assoc() / mysqli_fetch_assoc()函數以關聯數組的形式獲取結果行。

注意：從該函數返回的字段名是區分大小寫的。

實例

例子1 - 面向對像風格

以關聯數組的形式獲取結果行：

 <?php
$mysqli = new mysqli ( "localhost" , "my_user" , "my_password" , "my_db" ) ;

if ( $mysqli -> connect_errno ) {
  echo "Failed to connect to MySQL: " . $mysqli -> connect_error ;
  exit ( ) ;
}

$sql = "SELECT Lastname, Age FROM Persons ORDER BY Lastname" ;
$result = $mysqli -> query ( $sql ) ;

// 關聯數組
$row = $result -> fetch_assoc ( ) ;
printf ( "%s (%s)\n" , $row [ "Lastname" ] , $row [ "Age" ] ) ;

// 釋放結果集
$result -> free_result ( ) ;

$mysqli -> close ( ) ;
?>

例子2 - 過程式風格

以關聯數組的形式獲取結果行：

 <?php
$con = mysqli_connect ( "localhost" , "my_user" , "my_password" , "my_db" ) ;
if ( mysqli_connect_errno ( ) ) {
  echo "Failed to connect to MySQL: " . mysqli_connect_error ( ) ;
  exit ( ) ;
}

$sql = "SELECT Lastname, Age FROM Persons ORDER BY Lastname" ;
$result = mysqli_query ( $con , $sql ) ;

// 關聯數組
$row = mysqli_fetch_assoc ( $result ) ;
printf ( "%s (%s)\n" , $row [ "Lastname" ] , $row [ "Age" ] ) ;

// 釋放結果集
mysqli_free_result ( $result ) ;

mysqli_close ( $con ) ;
?>

文法

面向對像風格：

 $mysqli_result -> fetch_assoc ( )

過程式風格：

 mysqli_fetch_assoc ( result )