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<?php
namespace Illuminate\View\Compilers;
use Illuminate\Filesystem\Filesystem;
use InvalidArgumentException;
abstract class Compiler
{
/**
* The Filesystem instance.
*
* @var \Illuminate\Filesystem\Filesystem
*/
protected $files;
/**
* Get the cache path for the compiled views.
*
* @var string
*/
protected $cachePath;
/**
* Create a new compiler instance.
*
* @param \Illuminate\Filesystem\Filesystem $files
* @param string $cachePath
* @return void
*
* @throws \InvalidArgumentException
*/
public function __construct(Filesystem $files, $cachePath)
{
if (! $cachePath) {
throw new InvalidArgumentException('Please provide a valid cache path.');
}
$this->files = $files;
$this->cachePath = $cachePath;
}
/**
* Get the path to the compiled version of a view.
*
* @param string $path
* @return string
*/
public function getCompiledPath($path)
{
return $this->cachePath.'/'.sha1($path).'.php';
}
/**
* Determine if the view at the given path is expired.
*
* @param string $path
* @return bool
*/
public function isExpired($path)
{
$compiled = $this->getCompiledPath($path);
// If the compiled file doesn't exist we will indicate that the view is expired
// so that it can be re-compiled. Else, we will verify the last modification
// of the views is less than the modification times of the compiled views.
if (! $this->files->exists($compiled)) {
return true;
}
return $this->files->lastModified($path) >=
$this->files->lastModified($compiled);
}
/**
* Create the compiled file directory if necessary.
*
* @param string $path
* @return void
*/
protected function ensureCompiledDirectoryExists($path)
{
if (! $this->files->exists(dirname($path))) {
$this->files->makeDirectory(dirname($path), 0777, true, true);
}
}
}
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