quickwebp / includes / vendor / intervention / image / src / Intervention / Image / Commands / ExifCommand.php

ExifCommand.php in QuickWebP – WebP & AVIF Image Optimizer, Compression & SEO for WordPress 3.2.1, at includes/vendor/intervention/image/src/Intervention/Image/Commands/ExifCommand.php

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1	<?php
2
3	namespace Intervention\Image\Commands;
4
5	use Intervention\Image\Exception\NotReadableException;
6	use Intervention\Image\Exception\NotSupportedException;
7
8	class ExifCommand extends AbstractCommand
9	{
10	/**
11	* Read Exif data from the given image
12	*
13	* Note: Windows PHP Users - in order to use this method you will need to
14	* enable the mbstring and exif extensions within the php.ini file.
15	*
16	* @param \Intervention\Image\Image $image
17	* @return boolean
18	*/
19	public function execute($image)
20	{
21	if (!function_exists('exif_read_data')) {
22	throw new NotSupportedException(
23	"Reading Exif data is not supported by this PHP installation."
24	);
25	}
26
27	$key = $this->argument(0)->value();
28
29	// try to read exif data from image file
30	try {
31	if ($image->dirname && $image->basename) {
32	$stream = $image->dirname . '/' . $image->basename;
33	} elseif (version_compare(PHP_VERSION, '7.2.0', '>=')) {
34	// https://www.php.net/manual/en/function.exif-read-data.php#refsect1-function.exif-read-data-changelog
35	$stream = $image->stream()->detach();
36	} else {
37	// https://bugs.php.net/bug.php?id=65187
38	$stream = $image->encode('data-url')->encoded;
39	}
40
41	$data = @exif_read_data($stream);
42
43	if (!is_null($key) && is_array($data)) {
44	$data = array_key_exists($key, $data) ? $data[$key] : false;
45	}
46
47	} catch (\Exception $e) {
48	throw new NotReadableException(
49	sprintf(
50	"Cannot read the Exif data from the filename (%s) provided ",
51	$image->dirname . '/' . $image->basename
52	),
53	$e->getCode(),
54	$e
55	);
56	}
57
58	$this->setOutput($data);
59	return true;
60	}
61	}
62