nece001/php-decision-table

PHP 决策表/判决表,使用场景:用多个单个状态判断对象的综合状态

1.0.2 2023-07-15 07:41 UTC

This package is auto-updated.

Last update: 2024-05-15 09:28:07 UTC


README

PHP 决策表/判决表,使用场景:用多个单个状态判断对象的综合状态

示例:

<?php

// 定义一个用来决定下雨是否出门的决策表
class RainTable extends DecisionTableAbstract
{
    protected function buildTable()
    {
        // 条件值并不局限于0和1,可以用“===”比较的都可以
        $this->addRule(array('下雨' => 1, '有车' => 1, '有事' => 1), '出门');
        $this->addRule(array('下雨' => 0, '有车' => 0, '有事' => 0), '呆家');

        $this->addRule(array('下雨' => 1, '有车' => 1, '有事' => 0), '呆家');
        $this->addRule(array('下雨' => 1, '有车' => 0, '有事' => 0), '呆家');
        $this->addRule(array('下雨' => 1, '有车' => 0, '有事' => 1), '出门');

        $this->addRule(array('下雨' => 0, '有车' => 1, '有事' => 1), '出门');
        $this->addRule(array('下雨' => 0, '有车' => 0, '有事' => 1), '出门');
        $this->addRule(array('下雨' => 0, '有车' => 1, '有事' => 0), '呆家');
    }
}

$r = new RainTable();
echo $r->decide(array('下雨' => 1, '有车' => 1, '有事' => 1)); // 输出:出门
echo $r->decide(array('有车' => 0, '有事' => 0, '下雨' => 1)); // 输出:呆家