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<?php
/**
* php-file-iterator
*
* Copyright (c) 2009-2012, Sebastian Bergmann <sb@sebastian-bergmann.de>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Sebastian Bergmann nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package File
* @author Sebastian Bergmann <sb@sebastian-bergmann.de>
* @copyright 2009-2012 Sebastian Bergmann <sb@sebastian-bergmann.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @since File available since Release 1.3.0
*/
/**
* Façade implementation that uses File_Iterator_Factory to create a
* File_Iterator that operates on an AppendIterator that contains an
* RecursiveDirectoryIterator for each given path. The list of unique
* files is returned as an array.
*
* @author Sebastian Bergmann <sb@sebastian-bergmann.de>
* @copyright 2009-2012 Sebastian Bergmann <sb@sebastian-bergmann.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @version Release: 1.3.3
* @link http://github.com/sebastianbergmann/php-file-iterator/tree
* @since Class available since Release 1.3.0
*/
class File_Iterator_Facade
{
/**
* @param array|string $paths
* @param array|string $suffixes
* @param array|string $prefixes
* @param array $exclude
* @param boolean $commonPath
* @return array
*/
public function getFilesAsArray($paths, $suffixes = '', $prefixes = '', array $exclude = array(), $commonPath = FALSE)
{
if (is_string($paths)) {
$paths = array($paths);
}
$factory = new File_Iterator_Factory;
$iterator = $factory->getFileIterator(
$paths, $suffixes, $prefixes, $exclude
);
$files = array();
foreach ($iterator as $file) {
$file = $file->getRealPath();
if ($file) {
$files[] = $file;
}
}
foreach ($paths as $path) {
if (is_file($path)) {
$files[] = realpath($path);
}
}
$files = array_unique($files);
sort($files);
if ($commonPath) {
return array(
'commonPath' => $this->getCommonPath($files),
'files' => $files
);
} else {
return $files;
}
}
/**
* Returns the common path of a set of files.
*
* @param array $files
* @return string
*/
protected function getCommonPath(array $files)
{
$count = count($files);
if ($count == 0) {
return '';
}
if ($count == 1) {
return dirname($files[0]) . DIRECTORY_SEPARATOR;
}
$_files = array();
foreach ($files as $file) {
$_files[] = $_fileParts = explode(DIRECTORY_SEPARATOR, $file);
if (empty($_fileParts[0])) {
$_fileParts[0] = DIRECTORY_SEPARATOR;
}
}
$common = '';
$done = FALSE;
$j = 0;
$count--;
while (!$done) {
for ($i = 0; $i < $count; $i++) {
if ($_files[$i][$j] != $_files[$i+1][$j]) {
$done = TRUE;
break;
}
}
if (!$done) {
$common .= $_files[0][$j];
if ($j > 0) {
$common .= DIRECTORY_SEPARATOR;
}
}
$j++;
}
return DIRECTORY_SEPARATOR . $common;
}
}
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