PHP数组对象与Json转换操作实例分析

<?php
//数组转对象
function arraytoobject($e){
  if( gettype($e)!='array' ) return;
  foreach($e as $k=>$v){
    if( gettype($v)=='array' || gettype($v)=='object' )
      $e[$k]=(object)arraytoobject($v);
  }
  return (object)$e;
}
//对象转数组
function objecttoarray($e){
  $e=(array)$e;
  foreach($e as $k=>$v){
    if( gettype($v)=='resource' ) return;
    if( gettype($v)=='object' || gettype($v)=='array' )
      $e[$k]=(array)objecttoarray($v);
  }
  return $e;
}
//对象转数组
function object_array($array){
  if(is_object($array)){
    $array = (array)$array;
  }
  if(is_array($array)){
    foreach($array as $key=>$value){
      $array[$key] = object_array($value);
    }
  }
  return $array;
}
//json到数组
function simple_json_parser($json){
  $json = str_replace("{","",str_replace("}","", $json));
  $jsonvalue = explode(",", $json);
  $arr = array();
  foreach($jsonvalue as $v){
    $jvalue = explode(":", $v);
    $arr[str_replace('"',"", $jvalue[0])] = (str_replace('"', "", $jvalue[1]));
  }
  return $arr;
}
echo "<br>-------------------------------<br>";
echo "现在的数组<br><br>";
$arr=array(
  "name"=>"李小龙",
  "tel"=>"11111111111",
  "age"=>"12",
);
var_dump($arr);
echo "<br>-------------------------------<br>";
echo "<br><br>数组转对象<br><br>";
$obj= arraytoobject($arr);
var_dump($obj);
echo "<br><br>输出对象属性<br><br>";
var_dump($obj->name);
echo "<br>-------------------------------<br>";
echo "<br><br>对象转数组<br><br>";
$arr=object_array($obj);
var_dump($arr);
echo "<br><br>输出数组数值<br><br>";
var_dump($arr["name"]);
echo "<br>-------------------------------<br>";
echo "<br><br>json到数组<br><br>";
$json ='{"a":"哈哈","b":"我","c":"数","d":"一","e":3,"f":2,"g":1,"h":"别生气了"}';
$arr=simple_json_parser($json);
var_dump($arr);
echo "<br>官方换种方法<br>";
echo "对象<br>";
var_dump(json_decode($json));
$a=json_decode($json);
echo "<br>属性:";
echo $a->a;
echo "<br>数组<br>";
var_dump(json_decode($json,true));
echo "<br>-------------------------------<br>";
echo "<br><br>数组到json<br><br>";
var_dump($arr);
echo "<br>";
var_dump(json_encode($json, json_hex_apos));