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How to convert php array to json object

藏色散人
Release: 2023-03-04 06:28:01
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Methods for converting PHP arrays to json objects: 1. Convert ordinary PHP arrays to json arrays through the "json_encode($array);" method; 2. Convert ordinary PHP arrays to json arrays through the "urldecode(json_encode($arr));" Convert PHP array containing Chinese characters to json array.

How to convert php array to json object

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Conversion between php arrays and json arrays

$array = array( //普通数组
              "name" => "Tom",
              "age" => 22
         );
echo "第一组:普通PHP数组转json数组——".json_encode($array); //json数组
echo "<br />";
//*注:urlencode()函数原理就是首先把中文字符转换为十六进制,然后在每个字符前面加一个标识符%。
//urldecode()函数是用于解码已编码的URL字符串,其原理就是把十六进制字符串转换为中文字符
$arr = array(  //中文数组
       &#39;0&#39; => urlencode(&#39;信息工程系&#39;),
       &#39;1&#39; => urlencode(&#39;机械工程系&#39;)
       );
echo "第二组:PHP包含中文的数组转json数组——".urldecode(json_encode($arr));
echo "<br />";
//*注:json数组的键与值若有中文时,中文只能用双引号“”,不能使用单引号,外面使用花括弧,并用单引号括起来
echo "第三组:json数组转PHP数组——";
$json =&#39;{"a":"哈哈","b":"我","c":"数","d":"一","e":3,"f":2,"g":1,"h":"别生气了"}&#39;;    
var_dump(json_decode($json,true));
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