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<?php |
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namespace Presta\ImageBundle\Form\DataTransformer; |
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use Presta\ImageBundle\Helper\Base64Helper; |
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use Symfony\Component\Form\DataTransformerInterface; |
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use Symfony\Component\HttpFoundation\File\File; |
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use Symfony\Component\HttpFoundation\File\UploadedFile; |
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class Base64ToImageTransformer implements DataTransformerInterface |
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{ |
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use Base64Helper; |
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public function transform($value): array |
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{ |
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if (!$value instanceof File || false === $value->getRealPath()) { |
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return ['base64' => null]; |
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} |
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return ['base64' => $this->contentToBase64($value->getRealPath())]; |
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} |
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public function reverseTransform($value): ?UploadedFile |
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{ |
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if (!isset($value['base64']) || !$value['base64']) { |
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return null; |
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} |
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$prefixLength = strpos($value['base64'], 'base64,') + 7; |
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$base64 = substr($value['base64'], $prefixLength); |
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$filePath = tempnam(sys_get_temp_dir(), 'UploadedFile'); |
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$file = fopen($filePath, 'w'); |
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stream_filter_append($file, 'convert.base64-decode'); |
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fwrite($file, $base64); |
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$metadata = stream_get_meta_data($file); |
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$path = $metadata['uri']; |
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fclose($file); |
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$mimeType = mime_content_type($path); |
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$extension = str_replace('image/', '', $mimeType); |
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return new UploadedFile($path, uniqid() . '.' . $extension, $mimeType, null, true); |
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} |
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} |
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prestaconcept /
PrestaImageBundle
