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PHP C::returnConstantByRef方法代码示例

本文整理汇总了PHP中C::returnConstantByRef方法的典型用法代码示例。如果您正苦于以下问题:PHP C::returnConstantByRef方法的具体用法?PHP C::returnConstantByRef怎么用?PHP C::returnConstantByRef使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在C的用法示例。


在下文中一共展示了C::returnConstantByRef方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的PHP代码示例。

示例1: returnConstantByValue

    static function returnConstantByValue()
    {
        return 100;
    }
    static function &returnConstantByRef()
    {
        return 100;
    }
    static function &returnVariableByRef()
    {
        return $GLOBALS['a'];
    }
}
echo "\n---> 1. Trying to assign by reference the return value of a function that returns by value:\n";
unset($a, $b);
$a = 4;
$b =& C::returnConstantByValue();
$a++;
var_dump($a, $b);
echo "\n---> 2. Trying to assign by reference the return value of a function that returns a constant by ref:\n";
unset($a, $b);
$a = 4;
$b =& C::returnConstantByRef();
$a++;
var_dump($a, $b);
echo "\n---> 3. Trying to assign by reference the return value of a function that returns by ref:\n";
unset($a, $b);
$a = 4;
$b =& C::returnVariableByRef();
$a++;
var_dump($a, $b);
开发者ID:badlamer,项目名称:hhvm,代码行数:31,代码来源:returnByReference.004.php

示例2: C

    {
        return 100;
    }
    function &returnConstantByRef()
    {
        return 100;
    }
    static function &returnVariableByRef()
    {
        return $GLOBALS['a'];
    }
}
$c = new C();
echo "\n---> 1. Trying to assign by reference the return value of a function that returns by value:\n";
unset($a, $b);
$a = 4;
$b =& $c->returnConstantByValue();
$a++;
var_dump($a, $b);
echo "\n---> 2. Trying to assign by reference the return value of a function that returns a constant by ref:\n";
unset($a, $b);
$a = 4;
$b =& $c->returnConstantByRef();
$a++;
var_dump($a, $b);
echo "\n---> 3. Trying to assign by reference the return value of a function that returns by ref:\n";
unset($a, $b);
$a = 4;
$b =& $c->returnVariableByRef();
$a++;
var_dump($a, $b);
开发者ID:gleamingthecube,项目名称:php,代码行数:31,代码来源:tests_lang_returnByReference.005.php


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