此代码将帮助你学习如何将图像转换成一个base64字符串。

<title>Image to Base64 String</title>  <fieldset>      <legend>Image to Base64 String</legend>          <center>          <form name="select_all">                   <?php                  /**   * @author vir0e5 a.k.a banditc0de   * @copyright 2010 by vir0e5   * @authorurl http://facebook.com/vir0e5.vbs   * @Blog http://banditc0de.blogspot.com    This code will help you to learn how we can convert an image into a base64 string!!   */                      echo"<h3><p>Image</p></h3>";                      //$file = File Image yang ingin di encode                       //Filetype: JPEG,PNG,GIF                      $file = "encode.jpg";                      if($fp = fopen($file,"rb", 0))                      {                      $gambar = fread($fp,filesize($file));                      fclose($fp);                                              $base64 = chunk_split(base64_encode($gambar));                      //Result                      $encode = '<img src="data:image/jpg/png/gif;base64,' . $base64 .'" >';                      echo $encode;                      }                      ?>                  <br><textarea name="text_area" rows="20" cols="70"> <? echo $encode; ?> </textarea>                  <p><input type="button" value="Select All Code" onClick="javascript:this.form.text_area.focus();this.form.text_area.select();"></p>          </form>          </center>      </fieldset>