代码 - 开发笔记分享

最后修改人	果农
最后修改时间	2020-09-12 03:28:03
创建人	果农
创建时间	2020-09-12 03:27:23

该文档由果农创建于 2020-09-12 03:27:23 ，果农在 2020-09-12 03:28:03 修改了该文档。

[TOCM]

![](/storage/19/images/80fc41e9d98493da579c59715dbc42d7.jpg)  
直接上代码吧：  
```php  
<?php  
if($argc>1){  
    if(function_exists($argv[1])) {  
        $tmp = $argv;  
        array_shift($tmp);  
        array_shift($tmp);  
        call_user_func_array($argv[1], $tmp);  
        exit;  
    }  
}  
echo 'php ' . basename(__FILE__) . ' <funcname> <arg1> <arg2>' . PHP_EOL;  
echo '  funcname: jiujiu, rmb, chefei, findsecnum' . PHP_EOL;

//99乘法表  
function jiujiu(){  
    for($i=9;$i>0;$i--){  
        for($j=9;$j>=$i;$j--){  
            echo $j . '*' . $i . '=' . ($i*$j) . ' ';  
        }  
        echo PHP_EOL;  
    }  
}

/**  
 * 人民币解析  
 */  
function rmb($num = 123.22) {  
    $rmb = [  
        '10000' => '100元',  
        '5000' => '50元',  
        '2000' => '20元',  
        '1000' => '10元',  
        '500' => '5元',  
        '100' => '1元',  
        '50' => '5毛',  
        '10' => '1毛',  
        '5' => '5分',  
        '1' => '1分'  
    ];  
    $str = '';  
    $num = $num * 100;  
    foreach($rmb as $k => $v) {  
        if($num>$k) {  
            $c = intval($num/$k);  
            $str .= $v . $c . '张';  
            $num-=$c*$k;  
        }  
        if(!$num) break;  
    }  
    echo $str . PHP_EOL;

}

function CheFei($start = '香港', $end = '虎门') {  
    if(is_array($start)) {  
        list($start, $end) = $start;  
    }

$chepiao = [  
        [  
            'start' => '深圳',  
            'end' => '广州',  
            'money' => '60'  
        ],  
        [  
            'start' => '广州',  
            'end' => '虎门',  
            'money' => '50'  
        ],  
        [  
            'start' => '虎门',  
            'end' => '中山',  
            'money' => '40'  
        ],  
        [  
            'start' => '中山',  
            'end' => '珠海',  
            'money' => '36'  
        ],  
        [  
            'start' => '珠海',  
            'end' => '澳门',  
            'money' => '34'  
        ],  
        [  
            'start' => '澳门',  
            'end' => '香港',  
            'money' => '89'  
        ],  
    ];

//简单方法，这是个单点的处理，所以只处理一个起点的KEY即可。  
    $a1 = [];       //顺查数组  
    $a2 = [];       //逆查数组  
    foreach($chepiao as $v) {  
        $a1[$v['start']] = $v;  
        $a2[$v['end']] = $v;  
    }  
    $num = 0;  
    $sk = 'start';  
    $ek = 'end';  
    if(isset($a1[$start]) && isset($a2[$end])) {  
    } else if (isset($a2[$start]) && isset($a1[$end])) {  
        $a1 = $a2;  
        $ek = 'start';  
        $sk = 'end';  
    } else {  
        echo '起止站点无法查询' . PHP_EOL;  
        exit;  
    }  
    $s1 = $start;  
    $v = $a1[$s1];  
    $sites = [];  
    while(true) {  
        $num += $v['money'];  
        if($v[$ek] == $end) {  
            break;  
        }  
        $v = $a1[$v[$ek]];  
        $s1 = $v[$sk];  
        $sites[] = $s1;  
        if(count($sites)>count($a1)) {  
            break;  
        }  
    }  
    $sites[] = $end;  
//    print_r($sites);  
    echo '从《' . $start . '》到《' . $end . '》共' . count($sites) . '站，需要' . $num . '元' . PHP_EOL;  
}