mysqli_result::fetch_object

mysqli_fetch_object

(PHP 5, PHP 7, PHP 8)

mysqli_result::fetch_object -- mysqli_fetch_object — Returns the current row of a result set as an object

说明

面向对象风格

public mysqli_result::fetch_object(string $class = "stdClass", array $constructor_args = []): object|null|false

过程化风格

mysqli_fetch_object(mysqli_result $result, string $class = "stdClass", array $constructor_args = []): object|null|false

Returns the current row result set as an object where the attributes of the object represent the names of the fields found within the result set.

注意: This function sets the properties of the object before calling the object constructor.

注意: 此函数返回的字段名大小写敏感。

注意: 此函数将 NULL 字段设置为 PHP null 值。

参数

result

仅以过程化样式：由 mysqli_query()、mysqli_store_result()、 mysqli_use_result()、mysqli_stmt_get_result() 返回的结果集标识。

class

The name of the class to instantiate, set the properties of and return. If not specified, a stdClass object is returned.

constructor_args

An optional array of parameters to pass to the constructor for class objects.

返回值

Returns an object that corresponds to the fetched row or null if there are no more rows in result set.

更新日志

版本 说明
8.0.0 constructor_args now accepts [] for constructors with 0 parameters; previously an exception was thrown.

范例

示例 #1 mysqli_result::fetch_object() example

面向对象风格

<?php

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
 
$query = "SELECT Name, CountryCode FROM City ORDER BY ID DESC";

$result = $mysqli->query($query);

/* fetch object array */
while ($obj = $result->fetch_object()) {
    printf("%s (%s)\n", $obj->Name, $obj->CountryCode);
}

过程化风格

<?php

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

$query = "SELECT Name, CountryCode FROM City ORDER BY ID DESC";

$result = mysqli_query($link, $query);

/* fetch associative array */
while ($obj = mysqli_fetch_object($result)) {
    printf("%s (%s)\n", $obj->Name, $obj->CountryCode);
}

以上例程的输出类似于：

Pueblo (USA)
Arvada (USA)
Cape Coral (USA)
Green Bay (USA)
Santa Clara (USA)

参见