php 提交数据并且保存符合php编码的文件实例

<script>ec(2);</script>

if( $_POST )
{

 $str = '23=12,34  78=1,3 45=12,46,78,89=33'; 

 $content=nl2br($str); 

 $content=str_replace(" ","",$content); 

 $arr=explode("
",$content); 

 $result=array(); 

 foreach ($arr as $value) 

 { 

$k=explode("=",$value); 

 $result[]=array($k[0]=>$k[1]); 

 } 

 //数组转换成字串 

 function arrayeval($array, $level = 0) { 

  $space = ''; 

  for($i = 0; $i

  $space .= " "; 

  } 

 $evaluate = "Array $space( "; 

  $comma = $space; 

  foreach($array as $key => $val) { 

   $key = is_string($key) ? '''.addcslashes($key, ''\').''' : $key; 

   $val = !is_array($val) && (!preg_match("/^-?d+$/", $val) || strlen($val) > 12 || substr($val, 0, 1)=='0') ? '''.addcslashes($val, ''\').''' : $val; 

   if(is_array($val)) { 

    $evaluate .= "$comma$key => ".arrayeval($val, $level + 1); 

  } else { 

    $evaluate .= "$comma$key => $val"; 

   } 

   $comma = ", $space"; 

  } 

 $evaluate .= " $space)"; 

  return $evaluate; 

 } 

//把结果写到文件 

 $config=arrayeval($result); 

 $strwrite=""; 

 $fp=fopen('config.php','w'); 

 fwrite($fp,$strwrite); 

 fclose($fp); 
 }

 ?>