[英]How can I create an object inside a class?
How can I do this, as the most obvious way doesn't work: 我该怎么做,因为最明显的方法不起作用:
<?php
class Inner {
public $var;
}
class Outer {
$test = new Inner;
}
?>
Yields: 产量:
Parse error: syntax error, unexpected T_VARIABLE, expecting T_FUNCTION in /f5/debate/public/test.php on line 10
In PHP you can't instantiate a class as a default value of a property. 在PHP中,您无法将类实例化为属性的默认值。 You need to do it in a function (in this case, probably likely the constructor).
您需要在函数中执行此操作(在这种情况下,可能是构造函数)。 eg.
例如。
class Inner {
public $var;
}
class Outer {
public $test;
public function __construct() {
$this->test = new Inner();
}
}
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