/
PhpFileFilter.php
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/
PhpFileFilter.php
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<?php
namespace PhlyBlog\Compiler;
use DirectoryIterator;
use FilterIterator;
use InvalidArgumentException;
use Iterator;
use RecursiveDirectoryIterator;
use RecursiveIterator;
use RecursiveIteratorIterator;
use SplFileInfo;
/**
* Usage:
*
* <code>
* $files = new PhpFileFilter($path);
*
* // or
* $dir = new DirectoryIterator($path);
* $files = new PhpFileIterator($dir);
*
* // or
* $dir = new RecursiveDirectoryIterator($path);
* $files = new PhpFileIterator($dir);
* </code>
*/
class PhpFileFilter extends FilterIterator
{
public function __construct($dirOrIterator = '.')
{
if (is_string($dirOrIterator)) {
if (!is_dir($dirOrIterator)) {
throw new InvalidArgumentException('Expected a valid directory name');
}
$dirOrIterator = new RecursiveDirectoryIterator($dirOrIterator);
}
if (!$dirOrIterator instanceof DirectoryIterator) {
throw new InvalidArgumentException('Expected a DirectoryIterator');
}
if ($dirOrIterator instanceof RecursiveIterator) {
$iterator = new RecursiveIteratorIterator($dirOrIterator);
} else {
$iterator = $dirOrIterator;
}
parent::__construct($iterator);
$this->rewind();
}
public function accept()
{
$current = $this->getInnerIterator()->current();
if (!$current instanceof SplFileInfo) {
return false;
}
if (!$current->isFile()) {
return false;
}
$ext = $current->getExtension();
if ($ext != 'php') {
return false;
}
return true;
}
}