mysqli_fetch_all()
实例
从结果集中取得所有行作为关联数组:
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno($con))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
$sql="SELECT Lastname,Age FROM Persons ORDER BY Lastname";
$result=mysqli_query($con,$sql);
// Fetch all
mysqli_fetch_all($result,MYSQLI_ASSOC);
// Free result set
mysqli_free_result($result);
mysqli_close($con);
?>
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno($con))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
$sql="SELECT Lastname,Age FROM Persons ORDER BY Lastname";
$result=mysqli_query($con,$sql);
// Fetch all
mysqli_fetch_all($result,MYSQLI_ASSOC);
// Free result set
mysqli_free_result($result);
mysqli_close($con);
?>
定义和用法
mysqli_fetch_all() 函数从结果集中取得所有行作为关联数组,或数字数组,或二者兼有。
注释:该函数只在带有 MySQL Native Driver 时可用。
语法
mysqli_fetch_all(result,resulttype);
参数 | 描述 |
---|---|
result | 必需。规定由 mysqli_query()、mysqli_store_result() 或 mysqli_use_result() 返回的结果集标识符。 |
resulttype |
可选。规定应该产生哪种类型的数组。可以是以下值中的一个:
|
技术细节
返回值: | 返回包含结果行的关联数组或数字数组。 |
---|---|
PHP 版本: | 5.3+ |