Php recursive json class code

Source: Internet
Author: User
Tags json trim
The code is as follows: Copy code

<? Php
/*
* @ Anthor: QD
* @ Time: 2013-09-27
*/
Class json {
 
Private $ Arr = array (); // input an array
 
// Constructor
Public function json ($ array)
 {
If (! Is_array ($ array) return false;
$ This-> Arr = $ array;
 }
// Parse the main function
Public function MainArr ()
 {
$ Arr = $ this-> Arr;
If ($ this-> TypeArr ($ arr ))
  {
$ Json = $ this-> NumArr ($ arr );
  }
Else
  {
$ Json = $ this-> IndexArr ($ arr );
  }
Return $ json;
 
 }
// Parse the index array
Public function IndexArr ($ arr)
 {
$ Str = "";
Foreach ($ arr as $ k => $ value)
  {
If (is_array ($ value ))
   {
If ($ this-> TypeArr ($ value) {$ sun = $ this-> NumArr ($ value );}
Else {$ sun = $ this-> IndexArr ($ value );}
If (strpos ($ sun, "}") | strpos ($ sun, "]")
    {
$ Str. = "". $ k. ":". $ sun .",";
    }
Else
    {
$ Str. = "". $ k. "": "". $ sun ."",";
    }
   }
Else
   {
$ Str. = "". $ k. "": "". $ value ."",";
   }
  }
$ Str = "{". trim ($ str ,",")."}";
Return $ str;
 }
// Parse the number array
Public function NumArr ($ arr)
 {
$ Str = "";
Foreach ($ arr as $ value)
  {
If (is_array ($ value ))
   {
If ($ this-> TypeArr ($ value) {$ sun = $ this-> NumArr ($ value );}
Else {$ sun = $ this-> IndexArr ($ value );}
If (strpos ($ sun, "}") | strpos ($ sun, "]")
    {
$ Str. = $ sun .",";
    }
Else
    {
$ Str. = "". $ sun ."",";
    }
   }
Else
   {
$ Str. = "". $ value ."",";
   }
  }
$ Str = "[". trim ($ str, ","). "]";
Return $ str;
 }
// Check whether an array is strictly indexed.
Public function TypeArr ($ arr)
 {
If (array_values ($ arr) ===$ arr) return true;
Return false;
 }
 
}
?>
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