Helper function for Image resizing in PHP, especially in php

image-resizing-in-laravel.php

function dynamic_image($url, $width = false, $height = -1, $quality = 80, $compression = 75)
{
    $parsed = parse_url($url);
    $path = $parsed['path'];
    $file_name = basename($path);
    $only_path = str_replace($file_name, '', $path);
    $public_path = public_path($path);
    
    if(file_exists($public_path))
    {
        $content_type = explode('/', mime_content_type($public_path));
        $type = $content_type[1];
        
        if(
            $content_type[0] == 'image' && 
            in_array($type, ['png', 'jpeg','jpg', 'gif', 'webp'])
        )
        {
            $cache_image_name = 'resized.cached_' ;
            if($width !== false)
            {
                $cache_image_name .= '_w_'. $width. '_'; 
            }
            if($height !== false)
            {
                $cache_image_name .= '_h_'. $height. '_'; 
            }
            $cache_image_name .= '_quality_' . $quality . '_compression_' . $compression . $file_name;

            $cache_image_path = public_path(
                $only_path . $cache_image_name
            );

            if(!file_exists($cache_image_path))
            {
                $image = false;
                //- create and save the image
                if($type == 'png')
                {
                    $image = imagecreatefrompng($public_path);
                    imagepng($image, $cache_image_path);
                }
                if($type == 'jpg' || $type == 'jpeg')
                {
                    $image = imagecreatefromjpeg($public_path);
                    imagejpeg($image, $cache_image_path, $quality);
                }
                if($type == 'gif')
                {
                    $image = imagecreatefromgif($public_path);
                    imagegif($image, $cache_image_path);
                }
                if($type == 'webp')
                {
                    $image = imagecreatefromwebp($public_path);
                    imagewebp($image, $cache_image_path);
                }
                // dd(imagesx($image) > $width);
                if($image && $width !== false && imagesx($image) > $width)
                {
                    $image = imagescale($image, $width, $height);
                    
                    //- save the image again
                    if($type == 'png')
                    {
                        imagepng($image, $cache_image_path);
                    }
                    if($type == 'jpg' || $type == 'jpeg')
                    {
                        imagejpeg($image, $cache_image_path, $quality);
                    }
                    if($type == 'gif')
                    {
                        imagegif($image, $cache_image_path);
                    }
                    if($type == 'webp')
                    {
                        imagewebp($image, $cache_image_path);
                    }
                }

                return response()->file($cache_image_path);
            }

            return redirect(asset(str_replace($file_name, $cache_image_name, $url)));
        }
    }
    
    return redirect($url);
    //return 'file not found';
}