<?php namespace Illuminate\View\Compilers; use Illuminate\Filesystem\Filesystem; abstract class Compiler {// a abstract class /** * The Filesystem instance. * * @var \Illuminate\Filesystem\Filesystem */ protected $files;//The filesystem instance. /** * Get the cache path for the compiled views. * * @var string */ protected $cachePath;//Get the cache path for the compiled views. /** * Create a new compiler instance. * * @param \Illuminate\Filesystem\Filesystem $files * @param string $cachePath * @return void */ public function __construct(Filesystem $files, $cachePath) { $this->files = $files; $this->cachePath = $cachePath; }//_construct // files // set some construct /** * 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'; }// get The Compiled Path /** * Determine if the view at the given path is expired. * * @param string $path * @return bool */ public function isExpired($path) {// check is expired $compiled = $this->getCompiledPath($path);// compiled // 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->cachePath || ! $this->files->exists($compiled)) { return true; }// true $lastModified = $this->files->lastModified($path); // last Modified return $lastModified >= $this->files->lastModified($compiled); }// has this result }
[李景山php]每天laravel-20161031|Compiler.php
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