Question

我在徘徊为什么这不会向对象添加数组值。

<pre>
<?php

class people_names{
  public $children_names     = ["hanna", "danny", "toddy"];
  public $teen_names         = ["shewit", "rahel", "elizabeth"];
  public $old_people_names   = ["douglas", "bob", "michael"];
}
$names = new people_names;
$children = $name->children_names[] = "ninja"; 

var_dump($name->children_names);

当然，必须有一种方法可以为$children_name

添加名称

我尝试了$children = $name->children_names[] = "ninja";和$children = $name->children_names = "ninja";，但该忍者没有被添加。

这可能是什么问题和解决方案？

Answer 1

$names = new people_names;
$children = **$name**->children_names[] = "ninja";

你不应该访问$ name，因为它是你创建的对象吗？

编辑：忘记 - ＆gt;

<pre>
<?php

class people_names{
  public $children_names     = ["hanna", "danny", "toddy"];
  public $teen_names         = ["shewit", "rahel", "elizabeth"];
  public $old_people_names   = ["douglas", "bob", "michael"];
}
$names = new people_names;
$children = $names->children_names[] = "ninja"; 

var_dump($names->children_names);

Answer 2

您可以使用array_push：

array_push($names->children_names, "ninja");

Answer 3

如果您使用的是PHP＆lt; 5.4我建议你这样做：

class people_names{
  public $children_names     = array("hanna", "danny", "toddy");
  public $teen_names         = array("shewit", "rahel", "elizabeth");
  public $old_people_names   = array("douglas", "bob", "michael");
}

为对象内的属性添加值。

3 个答案: