[PHP] Convert image(JPEG/PNG) to WEBP

<?php

$dir = $_GET['dir'];
$compression = $_GET['compression']; // 0 - самое худшее; 100 - наилучшее
$update = $_GET['update'];

function AllFiles($dir)
{
$files = glob($dir."/*.*",GLOB_NOSORT);
do{
$dir = $dir."/*";
$files2 = glob($dir."/*.*",GLOB_NOSORT);

$files = array_merge($files,$files2);
}while(sizeof($files2)>0);

return $files;
}

function getExtension($filename) {
$format = preg_replace('/^.*\.(.*)$/U', '$1', $filename);
$file = basename($filename, '.'.$format);
return array('name' => $file, 'format' => $format, 'path' => $filename, 'dir' => dirname($filename), 'new_file' => dirname($filename).'/'.$file.'.'.'webp');
}

$jpeg_formats = ['jpg', 'jpeg'];
foreach (AllFiles($dir) as $filename){
$fileinfo = getExtension($filename);
if ($fileinfo['format'] == 'png') {
if ($update == 'true'){
$img = imagecreatefrompng($filename);
imagepalettetotruecolor($img);
imagealphablending($img, true);
imagesavealpha($img, true);
imagewebp($img, $fileinfo['new_file'], $compression);
imagedestroy($img);
$file = $fileinfo['path'];
echo "$file - complete<br>";
} else {
if (file_exists($fileinfo['new_file'])){
$file = $fileinfo['path'];
echo "$file - exists<br>";
} else {
$img = imagecreatefrompng($filename);
imagepalettetotruecolor($img);
imagealphablending($img, true);
imagesavealpha($img, true);
imagewebp($img, $fileinfo['new_file'], $compression);
imagedestroy($img);
$file = $fileinfo['path'];
echo "$file - complete<br>";
}
}
} elseif (in_array($fileinfo['format'], $jpeg_formats)) {
if ($update == 'true') {
$pngfilepath = $fileinfo['dir'] . '/' . $fileinfo['name'] . '.' . 'png';
imagepng(imagecreatefromstring(file_get_contents($filename)), $pngfilepath);
$img = imagecreatefrompng($pngfilepath);
imagepalettetotruecolor($img);
imagealphablending($img, true);
imagesavealpha($img, true);
imagewebp($img, $fileinfo['new_file'], $compression);
imagedestroy($img);
$file = $fileinfo['path'];
unlink($pngfilepath);
echo "$file - complete<br>";
} else {
if (file_exists($fileinfo['new_file'])){
$file = $fileinfo['path'];
echo "$file - exists<br>";
} else {
$pngfilepath = $fileinfo['dir'] . '/' . $fileinfo['name'] . '.' . 'png';
imagepng(imagecreatefromstring(file_get_contents($filename)), $pngfilepath);
$img = imagecreatefrompng($pngfilepath);
imagepalettetotruecolor($img);
imagealphablending($img, true);
imagesavealpha($img, true);
imagewebp($img, $fileinfo['new_file'], $compression);
imagedestroy($img);
$file = $fileinfo['path'];
unlink($pngfilepath);
echo "$file - complete<br>";
}
}
}
}

?>

PHP

<?php



$dir = $_GET['dir'];

$compression = $_GET['compression']; // 0 - самое худшее; 100 - наилучшее

$update = $_GET['update'];



function AllFiles($dir)

{

    $files = glob($dir."/*.*",GLOB_NOSORT);

    do{

        $dir = $dir."/*";

        $files2 = glob($dir."/*.*",GLOB_NOSORT);



        $files = array_merge($files,$files2);

    }while(sizeof($files2)>0);



    return $files;

}



function getExtension($filename) {

    $format = preg_replace('/^.*\.(.*)$/U', '$1', $filename);

    $file = basename($filename, '.'.$format);

    return array('name' => $file, 'format' => $format, 'path' => $filename, 'dir' => dirname($filename), 'new_file' => dirname($filename).'/'.$file.'.'.'webp');

}



$jpeg_formats = ['jpg', 'jpeg'];

foreach (AllFiles($dir) as $filename){

    $fileinfo = getExtension($filename);

    if ($fileinfo['format'] == 'png') {

        if ($update == 'true'){

            $img = imagecreatefrompng($filename);

            imagepalettetotruecolor($img);

            imagealphablending($img, true);

            imagesavealpha($img, true);

            imagewebp($img, $fileinfo['new_file'], $compression);

            imagedestroy($img);

            $file = $fileinfo['path'];

            echo "$file - complete<br>";

        } else {

            if (file_exists($fileinfo['new_file'])){

                $file = $fileinfo['path'];

                echo "$file - exists<br>";

            } else {

                $img = imagecreatefrompng($filename);

                imagepalettetotruecolor($img);

                imagealphablending($img, true);

                imagesavealpha($img, true);

                imagewebp($img, $fileinfo['new_file'], $compression);

                imagedestroy($img);

                $file = $fileinfo['path'];

                echo "$file - complete<br>";

            }

        }

    } elseif (in_array($fileinfo['format'], $jpeg_formats)) {

        if ($update == 'true') {

            $pngfilepath = $fileinfo['dir'] . '/' . $fileinfo['name'] . '.' . 'png';

            imagepng(imagecreatefromstring(file_get_contents($filename)), $pngfilepath);

            $img = imagecreatefrompng($pngfilepath);

            imagepalettetotruecolor($img);

            imagealphablending($img, true);

            imagesavealpha($img, true);

            imagewebp($img, $fileinfo['new_file'], $compression);

            imagedestroy($img);

            $file = $fileinfo['path'];

            unlink($pngfilepath);

            echo "$file - complete<br>";

        } else {

            if (file_exists($fileinfo['new_file'])){

                $file = $fileinfo['path'];

                echo "$file - exists<br>";

            } else {

                $pngfilepath = $fileinfo['dir'] . '/' . $fileinfo['name'] . '.' . 'png';

                imagepng(imagecreatefromstring(file_get_contents($filename)), $pngfilepath);

                $img = imagecreatefrompng($pngfilepath);

                imagepalettetotruecolor($img);

                imagealphablending($img, true);

                imagesavealpha($img, true);

                imagewebp($img, $fileinfo['new_file'], $compression);

                imagedestroy($img);

                $file = $fileinfo['path'];

                unlink($pngfilepath);

                echo "$file - complete<br>";

            }

        }

    }

}



?>

На входе:

index.php?dir=scr/img&compression=100&update=true

На выходе

scr/img/imgae.png - complete

dir - папка входа
compression - сжатие(от 0 до 100, где 0 - наихудшее)
update - обновлять ранее созданные файлы(true/false)