PHP script to implement batch compression of image file size_PHP tutorial

Today, I wanted to upload a large number of pictures to the forum. Since the pictures were taken with a SLR and were large in size, I wrote a script to compress the pictures in batches.

<&#63;php

if ($handle = opendir('./old')) {

    while (false !== ($file = readdir($handle))) {
        if ($file == '.' || $file == '..') {
            continue;
        }
        write('d:/wamp/www/test/old/'.$file, 'd:/wamp/www/test/new/'.$file);
    }

    closedir($handle);
}


function write($old, $new) {
    $maxsize=1000;
    $image = new Imagick($old);
    if($image->getImageHeight() <= $image->getImageWidth())
    {
        $image->resizeImage($maxsize,0,Imagick::FILTER_LANCZOS,1);
    }
    else
    {
        $image->resizeImage(0,$maxsize,Imagick::FILTER_LANCZOS,1);
    }
    $image->setImageCompression(Imagick::COMPRESSION_JPEG);
    $image->setImageCompressionQuality(90);
    $image->stripImage();
    $image->writeImage($new);
    $image->destroy();
}
&#63;>

http://www.bkjia.com/PHPjc/824634.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/824634.htmlTechArticleToday, I wanted to upload a large number of pictures to the forum. Since the pictures were taken with a SLR and are large in size, I wrote one Script to compress images in batches. phpif ($handle = opendir('./old')) { while (fal...