Warning: file_get_contents(/data/phpspider/zhask/data//catemap/4/oop/2.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/8/logging/2.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
PHP构造不工作?_Php_Oop_Class_Constructor - Fatal编程技术网

PHP构造不工作?

PHP构造不工作?,php,oop,class,constructor,Php,Oop,Class,Constructor,我有以下代码: <?php class Human() { function __construct() { echo "A human was born"; } } $Person1 = new Human(); ?> 我试图让它打印出“人类诞生了”,但它就是没有 在类人之后删除() <?php class Human { function __construct() { echo "

我有以下代码:

<?php

class Human()
{

    function __construct()
    {
        echo "A human was born";
    }

}

$Person1 = new Human();

?>

我试图让它打印出“人类诞生了”,但它就是没有

类人
之后删除
()

<?php

class Human
{

    function __construct()
    {
        echo "A human was born";
    }

}

$Person1 = new Human();

?>

如果语法有错误,应将类声明为:

class Human {

    function __construct()
    {
        echo "A human was born";
    }

}

如果在类的名称后面没有
()

打开错误报告,您应该会得到一个解析错误15k,回答对于+7来说太本地化了-典型:)