mysqli_fetch_assoc()
实例
从结果集中取得一行作为关联数组:
<?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)
// Associative array
$row=mysqli_fetch_assoc($result);
printf ("%s (%s)n",$row["Lastname"],$row["Age"]);
// 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)
// Associative array
$row=mysqli_fetch_assoc($result);
printf ("%s (%s)n",$row["Lastname"],$row["Age"]);
// Free result set
mysqli_free_result($result);
mysqli_close($con);
?>
定义和用法
mysqli_fetch_assoc() 函数从结果集中取得一行作为关联数组。
注释:该函数返回的字段名是区分大小写的。
语法
mysqli_fetch_assoc(result);
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。 |
技术细节
返回值: | 返回代表读取行的关联数组。如果结果集中没有更多的行则返回 NULL。 |
---|---|
PHP 版本: | 5+ |