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[英]In PHP, how can I use a variable as the value in a key=>value pair when defining a public variable for a class?
[英]How can I use a variable in a class for changing its value globally in PHP
我如何在類中使用變量,例如,如果我從成員函數更改了變量的值,那么其值將被全局更改。 我怎樣才能做到這一點?
我想你正在尋找這個:
class abcd {
public $value;
function __construct($value) {
$this->value = $value;
}
public function change ($change)
{
$this->value = $change;
}
}
$new= new abcd (123);
print_r($new);
$new->change (546);
print_r($new);
first.php
<?php
class first {
private $name;
function __construct() {
$this->name="name";
}
function changeName(){
$this->name="newName";
}
function getName()
{
return $this->name;
}
}
?>
second.php
<?php
include 'first.php';
$firstObject=new first;
echo $firstObject->getName().'<br>';
$firstObject->changeName();
echo $firstObject->getName();
?>
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