Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / vendor / lsolesen / pel / INSTALL.md

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+# INSTALL
+
+
+## Requirements
+
+PEL requires PHP version 5.
+
+
+## Installation
+
+### Composer
+
+The preferred way of installing PEL is through composer. Simply add a
+dependency on ´lsolesen/pel´ to your projects composer.json.
+
+    {
+        "require": {
+            "lsolesen/pel": "0.9.*"
+        }
+    }
+
+For a system-wide installation via Composer, you can run:
+
+    composer global require "lsolesen/pel=0.9.*"
+
+
+### Clone via git
+
+You can also use git to install it using:
+
+  git clone git://github.com/lsolesen/pel.git
+  git checkout <tag name>
+
+Finally, you can install PEL by extracting it to a local directory. You can find
+the compressed files here: https://github.com/lsolesen/pel/downloads.
+
+Make sure that you extract the files to a path included in your include path:
+You can set the include path using.
+
+  set_include_path('/path/to/pel' . PATH_SEPARATOR . get_include_path());
+
+
+## Upgrading
+
+If you have already been using a previous version of PEL, then be sure
+to read the CHANGELOG.md file before starting with a new version.
+
+
+## Using PEL
+
+Your application should include PelJpeg.php or PelTiff.php for working
+with JPEG or TIFF files.  The files will define the PelJpeg and
+PelTiff classes, which can hold a JPEG or TIFF image, respectively.
+Please see the API documentation in the doc directory or online at
+
+  http://lsolesen.github.com/pel/doc/
+
+for the full story about those classes and all other available classes
+in PEL.
+
+Still, an example would be good.  The following example will load a
+JPEG file given as a command line argument, parse the Exif data
+within, change the image description to 'Edited by PEL', and finally
+save the file again.  All in just six lines of code:
+
+  ```php5
+  <?php
+  require_once('PelJpeg.php');
+
+  $jpeg = new PelJpeg($argv[1]);
+  $ifd0 = $jpeg->getExif()->getTiff()->getIfd();
+  $entry = $ifd0->getEntry(PelTag::IMAGE_DESCRIPTION);
+  $entry->setValue('Edited by PEL');
+  $jpeg->saveFile($argv[1]);
+  ?>
+  ```
+
+See the examples directory for this example (or rather a more
+elaborate version in the file edit-description.php) and others as PHP
+files.  You may have to adjust the path to PHP, found in the very
+first line of the files before you can execute them.
+
+
+## Changing PEL
+
+If you find a bug in PEL then please send a report back so that it can
+be fixed in the next version.  You can submit your bugs and other
+requests here:
+
+  http://github.com/lsolesen/pel/issues
+
+If you change the code (to fix bugs or to implement enhancements), it
+is highly recommended that you test your changes against known good
+data.  Please see the test/README.md file for more information about
+running the PEL test suite.