php輸出控制類

領測軟件測試網 <?php
/**
*
*  作者: 徐祖寧 (嘮叨)
*  郵箱: czjsz_ah@stats.gov.cn
*  開發: 2002.07
*
*
*  類: outbuffer
*  功能: 封裝部分輸出控制函數，控制輸出對象。
*
*  方法:
*  run($proc)                運行php程序
*    $proc     php程序名
*  display()                 輸出運行結果
*  savetofile($filename)     保存運行結果到文件，一般可用于生成靜態頁面
*    $filename 文件名
*  loadfromfile($filename)   裝入保存的文件
*    $filename 文件名
*
*  示例:
*  1.
*  require_once "outbuffer.php";
*  $out = new outbuffer();
*  $out->run("test.php");
*  $out->display();
*
*  2.
*  require_once "outbuffer.php";
*  require_once "outbuffer.php";
*  $out = new outbuffer("test.php");
*  $out->savetofile("temp.htm");
*
*  3.
*  require_once "outbuffer.php";
*  $out = new outbuffer();
*  $out->loadfromfile("temp.htm");
*  $out->display();
*
*/

class outbuffer {
  var $length;
  var $buffer;
  function outbuffer($proc="") {
    $this->run($proc);
  }
  function run($proc="") {
    ob_start();
    include($proc);
    $this->length = ob_get_length();
    $this->buffer = ob_get_contents();
    $this->buffer = eregi_replace("\r?\n","\r\n",$this->buffer);
    ob_end_clean();
  }
  function display() {
    echo $this->buffer;
  }
  function savetofile($filename="") {
    if($filename == "") return;
    $fp = fopen($filename,"w");
    fwrite($fp,$this->buffer);
    fclose($fp);
  }
  function loadfromfile($filename="") {
    if($filename == "") return;
    $fp = fopen($filename,"w");
    $this->buffer = fread($fp,filesize($filename));
    fclose($fp);
  }
}
?>

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