PHP DUP_Util::TailFile方法代码示例

 /**
  * Starts the package build process
  * @return DUP_Package
  */
 public function Build()
 {
     global $wp_version;
     global $wpdb;
     global $current_user;
     $timerStart = DUP_Util::GetMicrotime();
     $this->Archive->File = "{$this->NameHash}_archive.zip";
     $this->Installer->File = "{$this->NameHash}_installer.php";
     $this->Database->File = "{$this->NameHash}_database.sql";
     //START LOGGING
     DUP_Log::Open($this->NameHash);
     $php_max_time = @ini_get("max_execution_time");
     $php_max_memory = @ini_set('memory_limit', DUPLICATOR_PHP_MAX_MEMORY);
     $php_max_time = $php_max_time == 0 ? "(0) no time limit imposed" : "[{$php_max_time}] not allowed";
     $php_max_memory = $php_max_memory === false ? "Unabled to set php memory_limit" : DUPLICATOR_PHP_MAX_MEMORY . " ({$php_max_memory} default)";
     $info = "********************************************************************************\n";
     $info .= "PACKAGE-LOG: " . @date("Y-m-d H:i:s") . "\n";
     $info .= "NOTICE: Do NOT post to public sites or forums \n";
     $info .= "********************************************************************************\n";
     $info .= "VERSION:\t" . DUPLICATOR_VERSION . "\n";
     $info .= "WORDPRESS:\t{$wp_version}\n";
     $info .= "PHP INFO:\t" . phpversion() . ' | ' . 'SAPI: ' . php_sapi_name() . "\n";
     $info .= "SERVER:\t\t{$_SERVER['SERVER_SOFTWARE']} \n";
     $info .= "PHP TIME LIMIT: {$php_max_time} \n";
     $info .= "PHP MAX MEMORY: {$php_max_memory} \n";
     $info .= "MEMORY STACK: " . DUP_Server::GetPHPMemory();
     DUP_Log::Info($info);
     $info = null;
     //CREATE DB RECORD
     $packageObj = serialize($this);
     if (!$packageObj) {
         DUP_Log::Error("Unable to serialize pacakge object while building record.");
     }
     $this->ID = $this->FindHashKey($this->Hash);
     if ($this->ID != 0) {
         $this->SetStatus(DUP_PackageStatus::START);
     } else {
         $results = $wpdb->insert($wpdb->prefix . "duplicator_packages", array('name' => $this->Name, 'hash' => $this->Hash, 'status' => DUP_PackageStatus::START, 'created' => current_time('mysql', get_option('gmt_offset', 1)), 'owner' => isset($current_user->user_login) ? $current_user->user_login : 'unknown', 'package' => $packageObj));
         if ($results == false) {
             $error_result = $wpdb->print_error();
             DUP_Log::Error("Duplicator is unable to insert a package record into the database table.", "'{$error_result}'");
         }
         $this->ID = $wpdb->insert_id;
     }
     //START BUILD
     //PHPs serialze method will return the object, but the ID above is not passed
     //for one reason or another so passing the object back in seems to do the trick
     $this->Database->Build($this);
     $this->Archive->Build($this);
     $this->Installer->Build($this);
     //INTEGRITY CHECKS
     DUP_Log::Info("\n********************************************************************************");
     DUP_Log::Info("INTEGRITY CHECKS:");
     DUP_Log::Info("********************************************************************************");
     $dbSizeRead = DUP_Util::ByteSize($this->Database->Size);
     $zipSizeRead = DUP_Util::ByteSize($this->Archive->Size);
     $exeSizeRead = DUP_Util::ByteSize($this->Installer->Size);
     DUP_Log::Info("SQL File: {$dbSizeRead}");
     DUP_Log::Info("Installer File: {$exeSizeRead}");
     DUP_Log::Info("Archive File: {$zipSizeRead} ");
     if (!($this->Archive->Size && $this->Database->Size && $this->Installer->Size)) {
         DUP_Log::Error("A required file contains zero bytes.", "Archive Size: {$zipSizeRead} | SQL Size: {$dbSizeRead} | Installer Size: {$exeSizeRead}");
     }
     //Validate SQL files completed
     $sql_tmp_path = DUP_UTIL::SafePath(DUPLICATOR_SSDIR_PATH_TMP . '/' . $this->Database->File);
     $sql_complete_txt = DUP_Util::TailFile($sql_tmp_path, 3);
     if (!strstr($sql_complete_txt, 'DUPLICATOR_MYSQLDUMP_EOF')) {
         DUP_Log::Error("ERROR: SQL file not complete.  The end of file marker was not found.  Please try to re-create the package.");
     }
     $timerEnd = DUP_Util::GetMicrotime();
     $timerSum = DUP_Util::ElapsedTime($timerEnd, $timerStart);
     $this->Runtime = $timerSum;
     $this->ExeSize = $exeSizeRead;
     $this->ZipSize = $zipSizeRead;
     $this->buildCleanup();
     //FINAL REPORT
     $info = "\n********************************************************************************\n";
     $info .= "RECORD ID:[{$this->ID}]\n";
     $info .= "TOTAL PROCESS RUNTIME: {$timerSum}\n";
     $info .= "PEAK PHP MEMORY USED: " . DUP_Server::GetPHPMemory(true) . "\n";
     $info .= "DONE PROCESSING => {$this->Name} " . @date("Y-m-d H:i:s") . "\n";
     DUP_Log::Info($info);
     DUP_Log::Close();
     $this->SetStatus(DUP_PackageStatus::COMPLETE);
     return $this;
 }