php命令行获取用户输入接收用户输入

```
#!/usr/bin/env php
<?php

//教程1 https://micuu.com/new/2305.html

//cmd /c D:\phpstudy_pro\Extensions\php\php7.3.4nts\php.exe  C:\Users\Administrator\Desktop\index.php  "%1"

// echo '您输入的信息是：'.$name."\r\n";
// composer require intervention/image  //下载完成后运行命令
// http://image.intervention.io/use/basics //官方文档地址

require __DIR__.'/vendor/autoload.php';
use Intervention\Image\ImageManagerStatic as Image;
//需要用户输入的字段
$needInput = [
    'width' => "",
    'hei' => "",
    'logo' => "",
];
//字段提示 注意：其中 key 需要和 needinput数组中的 key 对应 
$outMsg = [
    'width' => "宽度",
    'hei' => "高度",
    'logo' => "水印",
];
$fs = true; //用户输入状态 当用户灭有输入的时候是true，输入后是false
foreach($needInput as $k => $v){
    do{
        if($fs){
            fwrite(STDOUT,$outMsg[$k]);
            $fs = false;
        }else{
            fwrite(STDOUT,"抱歉，{$outMsg[$k]} 不能为空，请重新输入{$outMsg[$k]}：");
        }
        $needInput[$k] = trim(fgets(STDIN));
        if($needInput[$k] != ''){
            $fs = true;
        }
    }while($needInput[$k] == '');
}
print_r($needInput);
// and you are ready to go ...
$img = Image::make("C:/Users/Administrator/Pictures/3.png")->resize(300, 200);
// save file as jpg with medium quality
$res = $img->save("C:/Users/Administrator/Pictures/3.png副本.jpg", 60);
if($res == true){
    echo "图片处理成功";
}else{
    echo "图片处理失败";
}
// // create new Intervention Image
// $img = Image::make('public/foo.jpg');
// // paste another image
// $img->insert('public/bar.png');
// // create a new Image instance for inserting
// $watermark = Image::make('public/watermark.png');
// $img->insert($watermark, 'center');
// // insert watermark at bottom-right corner with 10px offset
// $img->insert('public/watermark.png', 'bottom-right', 10, 10);

```

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