php实现批量压缩图片文件大小的脚本

时间:2022-08-24 15:05:09

今天,想上传大量图片到论坛,由于图片是单反拍的,体积较大,就写了一个脚本,批量压缩图片

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<?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();
}
?>