Code example of how to implement json encoding in php

This article mainly introduces the method of php to realize json encoding. It analyzes the related techniques of php to realize json encoding conversion with examples. It has certain reference value. Friends in need can refer to it

The example in this article describes the method of implementing json encoding in PHP. Share it with everyone for your reference. The details are as follows:

<?php
/*
 * json
 */
$books = array(&#39;key1&#39;=>&#39;value1&#39;,&#39;key2&#39;=>&#39;value2&#39;,&#39;key3&#39;=>array(&#39;key4&#39;=>&#39;value4&#39;,&#39;key5&#39;=>&#39;value5&#39;));
$json = json_encode($books);
$rejson = json_decode($json,true);
echo &#39;原数组：<br/>&#39;;
print_r($books);
echo &#39;<br/><br/>&#39;;
echo &#39;经json编码后：<br/>&#39;;
print $json."<br/>";
echo &#39;<br/>&#39;;
echo &#39;经json解码后：<br/>&#39;;
print_r($rejson);
echo &#39;<br/><br/>&#39;;
//实例
$jsonn = &#39;{"error_code":"400","request":"\/Router\/aQConnectError","api_code":40006,"error":"\u4f20\u5165\u7684\u63a5\u53e3\u53c2\u6570\u51fa\u9519\uff0c\u53c2\u6570openid\u672a\u8bbe\u5b9a\u3002"}&#39;;
print_r(json_decode($jsonn));
?>

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