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<?php |
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|
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namespace Intervention\Image\Commands; |
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|
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use Intervention\Image\Exception\NotReadableException; |
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use Intervention\Image\Exception\NotSupportedException; |
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|
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class ExifCommand extends AbstractCommand |
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{ |
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/** |
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* Read Exif data from the given image |
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* |
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* Note: Windows PHP Users - in order to use this method you will need to |
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* enable the mbstring and exif extensions within the php.ini file. |
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* |
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* @param \Intervention\Image\Image $image |
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* @return boolean |
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*/ |
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public function execute($image) |
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{ |
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if (!function_exists('exif_read_data')) { |
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throw new NotSupportedException( |
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"Reading Exif data is not supported by this PHP installation." |
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); |
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} |
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|
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$key = $this->argument(0)->value(); |
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|
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// try to read exif data from image file |
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try { |
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if ($image->dirname && $image->basename) { |
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$stream = $image->dirname . '/' . $image->basename; |
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} elseif (version_compare(PHP_VERSION, '7.2.0', '>=')) { |
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// https://www.php.net/manual/en/function.exif-read-data.php#refsect1-function.exif-read-data-changelog |
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$stream = $image->stream()->detach(); |
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} else { |
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// https://bugs.php.net/bug.php?id=65187 |
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$stream = $image->encode('data-url')->encoded; |
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} |
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|
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$data = @exif_read_data($stream); |
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|
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if (!is_null($key) && is_array($data)) { |
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$data = array_key_exists($key, $data) ? $data[$key] : false; |
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} |
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|
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} catch (\Exception $e) { |
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throw new NotReadableException( |
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sprintf( |
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"Cannot read the Exif data from the filename (%s) provided ", |
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$image->dirname . '/' . $image->basename |
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), |
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$e->getCode(), |
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$e |
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); |
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} |
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|
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$this->setOutput($data); |
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return true; |
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} |
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} |
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|
