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<?php
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/**
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* @category Library
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* @license MIT http://opensource.org/licenses/MIT
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* @link https://github.com/emlynwest/changelog
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*/
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namespace ChangeLog;
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use ArrayIterator;
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use Countable;
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use IteratorAggregate;
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use Naneau\SemVer\Parser;
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use Naneau\SemVer\Sort;
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use Naneau\SemVer\Version;
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use Traversable;
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/**
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* Represents a full change log.
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*/
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class Log implements IteratorAggregate, Countable
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{
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const VERSION_MAJOR = 'major';
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const VERSION_MINOR = 'minor';
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const VERSION_PATCH = 'patch';
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/**
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* @var string
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*/
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protected $description = '';
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/**
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* @var Release[]
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*/
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protected $releases = [];
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/**
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* @var string
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*/
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protected $title = '';
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/**
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* Gets all the releases for the log.
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*
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* @return Release[]
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*/
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public function getReleases()
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{
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return $this->releases;
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}
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/**
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* Gets the named release.
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*
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* @param string $name
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*
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* @return Release|null
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*/
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public function getRelease($name)
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{
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$key = strtolower($name);
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if ( ! $this->hasRelease($key))
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{
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return null;
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}
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return $this->releases[$key];
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}
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/**
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* Adds a release to the Log.
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* Can be used to replace existing releases too.
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*
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* @param Release $release
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*/
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public function addRelease(Release $release)
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{
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$name = strtolower($release->getName());
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$this->releases[$name] = $release;
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$this->sortReleases();
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}
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/**
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* Removes a release from the Log.
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*
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* @param string $name
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*/
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public function removeRelease($name)
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{
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$key = strtolower($name);
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unset($this->releases[$key]);
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}
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/**
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* Checks if the Log has the named Release.
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*
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* @param string $name
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*
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* @return bool
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*/
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public function hasRelease($name)
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{
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$key = strtolower($name);
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return isset($this->releases[$key]);
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}
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/**
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* @return string
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*/
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public function getDescription()
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{
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return $this->description;
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}
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/**
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* @param string $description
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*/
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public function setDescription($description)
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{
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$this->description = $description;
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}
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/**
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* @return string
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*/
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public function getTitle()
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{
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return $this->title;
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}
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/**
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* @param string $title
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*/
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public function setTitle($title)
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{
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$this->title = $title;
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}
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/**
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* {@inheritdoc}
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*/
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public function getIterator()
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{
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return new ArrayIterator($this->releases);
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}
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/**
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* {@inheritdoc}
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*/
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public function count()
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{
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return count($this->releases);
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}
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/**
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* Sorts the releases inside this log in accordance with semantic versioning, latest release first.
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*/
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public function sortReleases()
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{
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// If there is an unreleased release pull that out and sort the rest
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$unreleased = null;
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if (isset($this->releases['unreleased']))
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{
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$unreleased = $this->releases['unreleased'];
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unset($this->releases['unreleased']);
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}
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$order = Sort::sort(array_keys($this->releases));
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$order = array_reverse($order);
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$newOrder = [];
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/** @var Version $version */
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foreach ($order as $version)
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{
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$index = $version->__toString();
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$newOrder[$index] = $this->releases[$index];
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}
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23 |
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if ($unreleased !== null)
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{
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$newOrder = ['unreleased' => $unreleased] + $newOrder;
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}
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$this->releases = $newOrder;
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}
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/**
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* Merges another Log's releases with this log.
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*
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* @param Log $log
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*/
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public function mergeLog(Log $log)
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{
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/** @var Release $release */
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2 |
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foreach ($log as $release)
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{
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$name = $release->getName();
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if ($this->hasRelease($name))
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{
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// if it does exist then merge the changes
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$this->mergeRelease($log, $name);
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}
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else
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{
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// If the release does not exist add it
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$this->addRelease($release);
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}
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}
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}
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/**
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* Combines all changes of the name of the given release from the given log into this log.
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*
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* @param Log $log
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* @param string $name
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*/
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2 |
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protected function mergeRelease(Log $log, $name)
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{
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$myRelease = $this->getRelease($name);
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2 |
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$theirRelease = $log->getRelease($name);
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2 |
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$changes = $this->mergeChangesArrays(
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2 |
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$theirRelease->getAllChanges(),
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$myRelease->getAllChanges()
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);
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2 |
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$myRelease->setAllChanges($changes);
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}
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229
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/**
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230
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* Merges two sets of changes.
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*
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* @param array $left
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* @param array $right
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*
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* @return array
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*/
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2 |
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protected function mergeChangesArrays($left, $right)
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{
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$return = $left;
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2 |
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foreach ($right as $type => $changes)
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{
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2 |
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if (isset($left[$type]))
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{
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$return[$type] = array_merge($right[$type], $left[$type]);
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}
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else
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{
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$return[$type] = $changes;
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}
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}
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253
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2 |
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return $return;
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}
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255
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256
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/**
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257
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* @return Release
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*/
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public function getLatestRelease()
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{
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2 |
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$releases = $this->releases;
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263
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2 |
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$release = array_shift($releases);
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264
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265
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2 |
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if (count($this->releases) > 1 && strtolower($release->getName()) === 'unreleased')
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266
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{
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1 |
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$release = array_shift($releases);
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268
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}
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269
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270
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2 |
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return $release;
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271
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}
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272
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273
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5 |
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public function getNextVersion($type)
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274
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{
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5 |
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if (! in_array($type, [static::VERSION_MAJOR, static::VERSION_MINOR, static::VERSION_PATCH]))
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{
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5 |
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return $type;
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278
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}
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279
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280
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1 |
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$latestRelease = $this->getLatestRelease();
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281
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282
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1 |
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$version = $latestRelease->getName() === 'unreleased' ? '0.0.0' : $latestRelease->getName() ;
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283
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284
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1 |
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$semver = Parser::parse($version);
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285
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1 |
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$patch = $semver->getPatch();
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286
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1 |
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$minor = $semver->getMinor();
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287
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1 |
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$major = $semver->getMajor();
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288
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289
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switch ($type)
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290
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{
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case Log::VERSION_PATCH:
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292
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1 |
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$patch++;
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1 |
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break;
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case Log::VERSION_MINOR:
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295
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1 |
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$minor++;
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1 |
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break;
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297
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case Log::VERSION_MAJOR:
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298
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1 |
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$major++;
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299
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1 |
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break;
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300
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}
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301
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302
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1 |
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return "$major.$minor.$patch";
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303
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}
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304
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305
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}
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|
306
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|
|
|
emlynwest /
changelog
emlynwest
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: