PHP MyClass::showConstant示例

示例#1

文件： class-const-1.php 项目： jestintab/zendphp

<?php

#Example #1 Defining and using a constant
class MyClass
{
    const CONSTANT = 'constant value';
    function showConstant()
    {
        echo self::CONSTANT . "\n";
    }
}
echo MyClass::CONSTANT . "\n";
$classname = "MyClass";
echo $classname::CONSTANT . "\n";
// As of PHP 5.3.0
$class = new MyClass();
$class->showConstant();
echo $class::CONSTANT . "\n";
// As of PHP 5.3.0