Intervention Image php 图片处理

按照composer扩展

composer require intervention/image

文档介绍：https://image.intervention.io/v2/introduction/installation

使用示例：

<?php
error_reporting(E_ALL &~ E_NOTICE);
require './vendor/autoload.php';
use Intervention\Image\ImageManagerStatic as Image;

// 处理图片大小尺寸
function check_img($dir,$file){
    // open an image file
    $img = Image::make($dir."/".$file);

    // resize image instance
    $img->resize(200, 200);

    // insert a watermark
    //$img->insert('public/watermark.png');

    // save image in desired format
    $img->save('./all2/'.$file);
}

$dir = "./all";
$files = scandir($dir);
foreach ($files as $key => $value) {
    if (!in_array($value,['.','..'])) {
        check_img($dir,$value);
    }
}
echo "success";

?>