vendor/smarty/smarty/libs/sysplugins/smarty_internal_method_clearcompiledtemplate.php

   1 <?php
   2
   3 /**
   4  * Smarty Method ClearCompiledTemplate
   5  *
   6  * Smarty::clearCompiledTemplate() method
   7  *
   8  * @package    Smarty
   9  * @subpackage PluginsInternal
  10  * @author     Uwe Tews
  11  */
  12 class Smarty_Internal_Method_ClearCompiledTemplate
  13 {
  14     /**
  15      * Valid for Smarty object
  16      *
  17      * @var int
  18      */
  19     public $objMap = 1;
  20
  21     /**
  22      * Delete compiled template file
  23      *
  24      * @api  Smarty::clearCompiledTemplate()
  25      * @link http://www.smarty.net/docs/en/api.clear.compiled.template.tpl
  26      *
  27      * @param \Smarty  $smarty
  28      * @param  string  $resource_name template name
  29      * @param  string  $compile_id    compile id
  30      * @param  integer $exp_time      expiration time
  31      *
  32      * @return integer number of template files deleted
  33      */
  34     public function clearCompiledTemplate(Smarty $smarty, $resource_name = null, $compile_id = null, $exp_time = null)
  35     {
  36         // clear template objects cache
  37         $smarty->_clearTemplateCache();
  38
  39         $_compile_dir = $smarty->getCompileDir();
  40         if ($_compile_dir == '/') { //We should never want to delete this!
  41             return 0;
  42         }
  43         $_compile_id = isset($compile_id) ? preg_replace('![^\w]+!', '_', $compile_id) : null;
  44         $_dir_sep = $smarty->use_sub_dirs ? $smarty->ds : '^';
  45         if (isset($resource_name)) {
  46             $_save_stat = $smarty->caching;
  47             $smarty->caching = false;
  48             /* @var Smarty_Internal_Template $tpl */
  49             $tpl = $smarty->createTemplate($resource_name);
  50             $smarty->caching = $_save_stat;
  51             if (!$tpl->source->handler->uncompiled && !$tpl->source->handler->recompiled && $tpl->source->exists) {
  52                 $_resource_part_1 = basename(str_replace('^', $smarty->ds, $tpl->compiled->filepath));
  53                 $_resource_part_1_length = strlen($_resource_part_1);
  54             } else {
  55                 return 0;
  56             }
  57             $_resource_part_2 = str_replace('.php', '.cache.php', $_resource_part_1);
  58             $_resource_part_2_length = strlen($_resource_part_2);
  59         }
  60         $_dir = $_compile_dir;
  61         if ($smarty->use_sub_dirs && isset($_compile_id)) {
  62             $_dir .= $_compile_id . $_dir_sep;
  63         }
  64         if (isset($_compile_id)) {
  65             $_compile_id_part = $_compile_dir . $_compile_id . $_dir_sep;
  66             $_compile_id_part_length = strlen($_compile_id_part);
  67         }
  68         $_count = 0;
  69         try {
  70             $_compileDirs = new RecursiveDirectoryIterator($_dir);
  71             // NOTE: UnexpectedValueException thrown for PHP >= 5.3
  72         }
  73         catch (Exception $e) {
  74             return 0;
  75         }
  76         $_compile = new RecursiveIteratorIterator($_compileDirs, RecursiveIteratorIterator::CHILD_FIRST);
  77         foreach ($_compile as $_file) {
  78              if (substr(basename($_file->getPathname()), 0, 1) == '.') {
  79                 continue;
  80             }
  81             $_filepath = (string) $_file;
  82             if ($_file->isDir()) {
  83                 if (!$_compile->isDot()) {
  84                     // delete folder if empty
  85                     @rmdir($_file->getPathname());
  86                 }
  87             } else {
  88                 // delete only php files
  89                 if (substr($_filepath, -4) !== '.php') {
  90                     continue;
  91                 }
  92                 $unlink = false;
  93                 if ((!isset($_compile_id) || (isset($_filepath[ $_compile_id_part_length ]) && $a =
  94                                 !strncmp($_filepath, $_compile_id_part, $_compile_id_part_length))) &&
  95                     (!isset($resource_name) || (isset($_filepath[ $_resource_part_1_length ]) &&
  96                                                 substr_compare($_filepath, $_resource_part_1,
  97                                                                - $_resource_part_1_length, $_resource_part_1_length) ==
  98                                                 0) || (isset($_filepath[ $_resource_part_2_length ]) &&
  99                                                        substr_compare($_filepath, $_resource_part_2,
 100                                                                       - $_resource_part_2_length,
 101                                                                       $_resource_part_2_length) == 0))
 102                 ) {
 103                     if (isset($exp_time)) {
 104                         if (time() - @filemtime($_filepath) >= $exp_time) {
 105                             $unlink = true;
 106                         }
 107                     } else {
 108                         $unlink = true;
 109                     }
 110                 }
 111
 112                 if ($unlink && @unlink($_filepath)) {
 113                     $_count ++;
 114                     if (function_exists('opcache_invalidate') && strlen(ini_get("opcache.restrict_api")) < 1) {
 115                         opcache_invalidate($_filepath, true);
 116                     }
 117                 }
 118             }
 119         }
 120         return $_count;
 121     }
 122 }