The variable is initialized causing local variable injection

/include/dedesql.class.php file, search (about 590 lines)
      if(isset($GLOBALS['arrs1'])) is
      modified to
      $arrs1 = array(); $arrs2 = array(); if( isset($GLOBALS['arrs1']))

      If $arrs1 or $arrs2 has been defined before, please adjust the alignment code.

      At this point, the dedecms Vulnerability Repair Daquan including arbitrary file upload vulnerabilities and injection vulnerabilities (since 5.7) has been modified.