PHP code example of tecnickcom / tc-lib-pdf-image

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

tecnickcom / tc-lib-pdf-image example snippets

ypt = new \Com\Tecnick\Pdf\Encrypt\Encrypt();

// the file helper allows nothing by default: list the directories and hosts
// the images may be loaded from
$fileHelper = new \Com\Tecnick\File\File(
	allowedPaths: ['/path/to'],
);

$img = new \Com\Tecnick\Pdf\Image\Import(
	kunit: 1.0,
	encrypt: $encrypt,
	fileHelper: $fileHelper,
);
$imageId = $img->add('/path/to/image.png');

var_dump($imageId);

$fileHelper = new \Com\Tecnick\File\File(
	allowedHosts: ['example.com', 'cdn.example.com'],
	allowedPaths: ['/srv/app/images', __DIR__ . '/images'],
);

interface ImageCacheInterface
{
	/** @return array|null Stored image data, or null on a miss. */
	public function get(string $key): ?array;

	public function set(string $key, array $data): void;
}

$img = new \Com\Tecnick\Pdf\Image\Import(
	kunit: 1.0,
	encrypt: $encrypt,
	fileHelper: $fileHelper,
	imageCache: $myCache, // any ImageCacheInterface implementation
);

use Com\Tecnick\Pdf\Image\ImageCacheInterface;

final class FilesystemImageCache implements ImageCacheInterface
{
	public function __construct(private readonly string $dir) {}

	public function get(string $key): ?array
	{
		$file = $this->dir . '/' . hash('xxh128', $key) . '.cache';
		if (!is_file($file)) {
			return null;
		}
		$data = unserialize((string) file_get_contents($file), ['allowed_classes' => false]);
		return is_array($data) ? $data : null;
	}

	public function set(string $key, array $data): void
	{
		$file = $this->dir . '/' . hash('xxh128', $key) . '.cache';
		file_put_contents($file, serialize($data), LOCK_EX);
	}
}