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<?php |
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/** |
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* Phossa Project |
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* |
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* PHP version 5.4 |
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* |
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* @category Library |
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* @package Phossa2\Storage |
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* @copyright Copyright (c) 2016 phossa.com |
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* @license http://mit-license.org/ MIT License |
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* @link http://www.phossa.com/ |
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*/ |
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/*# declare(strict_types=1); */ |
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namespace Phossa2\Storage; |
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use Phossa2\Storage\Message\Message; |
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use Phossa2\Shared\Base\ObjectAbstract; |
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use Phossa2\Shared\Error\ErrorAwareTrait; |
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use Phossa2\Storage\Traits\PathAwareTrait; |
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use Phossa2\Shared\Error\ErrorAwareInterface; |
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use Phossa2\Storage\Interfaces\StorageInterface; |
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use Phossa2\Shared\Extension\ExtensionAwareTrait; |
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use Phossa2\Shared\Extension\ExtensionAwareInterface; |
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use Phossa2\Storage\Interfaces\FilesystemInterface; |
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/** |
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* Storage |
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* |
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* @package Phossa2\Storage |
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* @author Hong Zhang <[email protected]> |
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* @see ObjectAbstract |
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* @see StorageInterface |
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* @see ErrorAwareInterface |
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* @see ExtensionAwareInterface |
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* @version 2.0.0 |
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* @since 2.0.0 added |
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*/ |
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class Storage extends ObjectAbstract implements StorageInterface, ErrorAwareInterface, ExtensionAwareInterface |
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{ |
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use PathAwareTrait, ErrorAwareTrait, ExtensionAwareTrait; |
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/** |
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* @param string $mountPoint |
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* @param FilesystemInterface $filesystem |
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* @access public |
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*/ |
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public function __construct( |
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/*# string */ $mountPoint, |
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FilesystemInterface $filesystem |
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) { |
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$this->mount($mountPoint, $filesystem); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function has(/*# string */ $path)/*# : bool */ |
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{ |
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// found |
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if ($this->path($path)->exists()) { |
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return true; |
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} |
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// not found |
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return $this->setError( |
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Message::get(Message::MSG_PATH_NOTFOUND, $path), |
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Message::MSG_PATH_NOTFOUND |
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); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function get(/*# string */ $path, /*# bool */ $stream = false) |
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{ |
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$obj = $this->path($path); |
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$res = $obj->getContent($stream); |
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// append mount point if result is array |
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if (is_array($res)) { |
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return $this->prependMountPoint( |
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$res, $this->getMountPoint($obj->getFullPath()) |
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); |
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} |
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$this->copyError($obj); |
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return $res; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function put( |
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/*# string */ $path, |
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$content, |
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array $meta = [] |
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)/*# : bool */ { |
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$obj = $this->path($path); |
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// write content |
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if (null !== $content && !$obj->setContent($content)) { |
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$this->copyError($obj); |
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return false; |
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} |
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// set meta if any |
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$res = $obj->setMeta($meta); |
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$this->copyError($obj); |
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return $res; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function meta(/*# string */ $path)/*# : array */ |
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{ |
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$obj = $this->path($path); |
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$res = $obj->getMeta(); |
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$this->copyError($obj); |
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return $res; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function copy( |
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/*# string */ $from, |
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/*# string */ $to |
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)/*# : bool */ { |
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// same filesystem copy |
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if ($this->isSameFilesystem($from, $to)) { |
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return $this->sameFilesystemAction($from, $to, 'copy'); |
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} |
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$content = $this->get($from); |
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if (is_null($content)) { |
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return false; |
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} elseif (is_array($content)) { |
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return $this->copyDir($content, $to); |
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} else { |
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return $this->put($to, $content); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function move( |
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/*# string */ $from, |
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/*# string */ $to |
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)/*# : bool */ { |
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// same filesystem move |
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if ($this->isSameFilesystem($from, $to)) { |
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return $this->sameFilesystemAction($from, $to, 'rename'); |
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} |
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// diff filesystem move |
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if ($this->copy($from, $to)) { |
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return $this->delete($from); |
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} |
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return false; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function delete(/*# string */ $path)/*# : bool */ |
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{ |
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$obj = $this->path($path); |
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$res = $obj->delete(); |
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$this->copyError($obj); |
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return $res; |
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} |
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/** |
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* Copy or rename |
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* |
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* @param string $from |
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* @param string $to |
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* @param string $action 'copy' or 'rename' |
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* @return bool |
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* @access protected |
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*/ |
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protected function sameFilesystemAction( |
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/*# string */ $from, |
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/*# string */ $to, |
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/*# string */ $action = 'copy' |
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)/*# : bool */ { |
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$obj = $this->path($from); |
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$res = $obj->{$action}($this->path($to)->getPath()); |
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$this->copyError($obj); |
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return $res; |
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} |
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/** |
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* Exists on same filesystem ? |
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* |
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* @param string $path1 |
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* @param string $path2 |
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* @return bool |
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* @access protected |
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*/ |
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protected function isSameFilesystem( |
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/*# string */ $path1, |
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/*# string */ $path2 |
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)/*# : bool */ { |
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return $this->path($path1)->getFilesystem() === $this->path($path2)->getFilesystem(); |
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} |
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/** |
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* Copy an array of paths to destination |
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* |
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* @param array $paths |
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* @param string $destination |
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* @access protected |
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*/ |
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protected function copyDir(array $paths, /*# string */ $destination) |
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{ |
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foreach ($paths as $path) { |
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$base = basename($path); |
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$dest = $this->mergePath($destination, $base); |
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if (!$this->copy($path, $dest)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Prepend mount point prefix to the array of paths |
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* |
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* @param array $paths |
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* @param string $mountPoint |
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* @return array |
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* @access protected |
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*/ |
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protected function prependMountPoint( |
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array $paths, |
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/*# string */ $mountPoint |
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)/*# : array */ { |
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$res = []; |
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foreach ($paths as $p) { |
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$res[] = $this->mergePath($mountPoint, $p); |
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} |
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return $res; |
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} |
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} |
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