{"id":4495,"date":"2015-11-25T22:14:15","date_gmt":"2015-11-25T14:14:15","guid":{"rendered":"https:\/\/sdeno.com\/?p=4495"},"modified":"2015-11-25T22:17:35","modified_gmt":"2015-11-25T14:17:35","slug":"php%e8%bd%acjson%e6%a0%bc%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=4495","title":{"rendered":"php\u8f6cjson\u683c\u5f0f"},"content":{"rendered":"<div class=\"asset-meta\" style=\"color: #111111;\">\n<p style=\"color: #556677;\">\u65e5\u671f\uff1a\u00a0<a style=\"color: #556677;\" href=\"http:\/\/www.ruanyifeng.com\/blog\/2011\/01\/\"><abbr class=\"published\" style=\"color: #556677;\" title=\"2011-01-14T17:25:32+08:00\">2011\u5e741\u670814\u65e5<\/abbr><\/a><\/p>\n<\/div>\n<div id=\"main-content\" class=\"asset-content entry-content\" style=\"color: #111111;\">\n<p style=\"color: #111111;\">\u76ee\u524d\uff0c<a style=\"color: #112233;\" href=\"http:\/\/www.json.org\/\" target=\"_blank\">JSON<\/a>\u5df2\u7ecf\u6210\u4e3a\u6700\u6d41\u884c\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\u4e4b\u4e00\uff0c\u5404\u5927\u7f51\u7ad9\u7684API\u51e0\u4e4e\u90fd\u652f\u6301\u5b83\u3002<\/p>\n<p style=\"color: #111111;\">\u6211\u5199\u8fc7\u4e00\u7bc7<a style=\"color: #112233;\" href=\"http:\/\/www.ruanyifeng.com\/blog\/2009\/05\/data_types_and_json.html\" target=\"_blank\">\u300a\u6570\u636e\u7c7b\u578b\u548cJSON\u683c\u5f0f\u300b<\/a>\uff0c\u63a2\u8ba8\u5b83\u7684\u8bbe\u8ba1\u601d\u60f3\u3002\u4eca\u5929\uff0c\u6211\u60f3\u603b\u7ed3\u4e00\u4e0bPHP\u8bed\u8a00\u5bf9\u5b83\u7684\u652f\u6301\uff0c\u8fd9\u662f\u5f00\u53d1\u4e92\u8054\u7f51\u5e94\u7528\u7a0b\u5e8f\uff08\u7279\u522b\u662f\u7f16\u5199API\uff09\u5fc5\u987b\u4e86\u89e3\u7684\u77e5\u8bc6\u3002<\/p>\n<p style=\"color: #111111;\">\u4ece5.2\u7248\u672c\u5f00\u59cb\uff0cPHP\u539f\u751f\u63d0\u4f9b<a style=\"color: #112233;\" href=\"http:\/\/www.php.net\/manual\/en\/function.json-encode.php\" target=\"_blank\">json_encode()<\/a>\u548c<a style=\"color: #112233;\" href=\"http:\/\/www.php.net\/manual\/en\/function.json-decode.php\" target=\"_blank\">json_decode()<\/a>\u51fd\u6570\uff0c\u524d\u8005\u7528\u4e8e\u7f16\u7801\uff0c\u540e\u8005\u7528\u4e8e\u89e3\u7801\u3002<\/p>\n<p style=\"color: #111111;\"><strong style=\"font-weight: 800;\">\u4e00\u3001json_encode()<\/strong><\/p>\n<p style=\"color: #111111;\">\u8be5\u51fd\u6570\u4e3b\u8981\u7528\u6765\u5c06\u6570\u7ec4\u548c\u5bf9\u8c61\uff0c\u8f6c\u6362\u4e3ajson\u683c\u5f0f\u3002\u5148\u770b\u4e00\u4e2a\u6570\u7ec4\u8f6c\u6362\u7684\u4f8b\u5b50\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$arr<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token keyword\" style=\"color: #0077aa;\">array<\/span> <span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><span class=\"token string\" style=\"color: #669900;\">'a'<\/span><span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token number\" style=\"color: #990055;\">1<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">'b'<\/span><span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token number\" style=\"color: #990055;\">2<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">'c'<\/span><span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token number\" style=\"color: #990055;\">3<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">'d'<\/span><span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token number\" style=\"color: #990055;\">4<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">'e'<\/span><span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token number\" style=\"color: #990055;\">5<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">echo<\/span> <span class=\"token function\" style=\"color: #111111;\">json_encode<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token variable\" style=\"color: #111111;\">$arr<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u7ed3\u679c\u4e3a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">{<\/span><span class=\"token string\" style=\"color: #669900;\">\"a\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token number\" style=\"color: #990055;\">1<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">\"b\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token number\" style=\"color: #990055;\">2<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">\"c\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token number\" style=\"color: #990055;\">3<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">\"d\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token number\" style=\"color: #990055;\">4<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">\"e\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token number\" style=\"color: #990055;\">5<\/span><span class=\"token punctuation\" style=\"color: #999999;\">}<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u518d\u770b\u4e00\u4e2a\u5bf9\u8c61\u8f6c\u6362\u7684\u4f8b\u5b50\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$obj<\/span><span class=\"token operator\" style=\"color: #a67f59;\">-<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token property\" style=\"color: #990055;\">body<\/span>           <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token string\" style=\"color: #669900;\">'another post'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$obj<\/span><span class=\"token operator\" style=\"color: #a67f59;\">-<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token property\" style=\"color: #990055;\">id<\/span>             <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token number\" style=\"color: #990055;\">21<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$obj<\/span><span class=\"token operator\" style=\"color: #a67f59;\">-<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token property\" style=\"color: #990055;\">approved<\/span>       <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token boolean\" style=\"color: #990055;\">true<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$obj<\/span><span class=\"token operator\" style=\"color: #a67f59;\">-<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token property\" style=\"color: #990055;\">favorite_count<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token number\" style=\"color: #990055;\">1<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$obj<\/span><span class=\"token operator\" style=\"color: #a67f59;\">-<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token property\" style=\"color: #990055;\">status<\/span>         <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token keyword\" style=\"color: #0077aa;\">NULL<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">echo<\/span> <span class=\"token function\" style=\"color: #111111;\">json_encode<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token variable\" style=\"color: #111111;\">$obj<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u7ed3\u679c\u4e3a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">{<\/span>\r\n\u3000\u3000\u3000\u3000<span class=\"token string\" style=\"color: #669900;\">\"body\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token string\" style=\"color: #669900;\">\"another post\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span>\r\n\u3000\u3000\r\n\u3000\u3000\u3000\u3000<span class=\"token string\" style=\"color: #669900;\">\"id\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token number\" style=\"color: #990055;\">21<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span>\r\n\u3000\u3000\r\n\u3000\u3000\u3000\u3000<span class=\"token string\" style=\"color: #669900;\">\"approved\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token boolean\" style=\"color: #990055;\">true<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span>\r\n\u3000\u3000\r\n\u3000\u3000\u3000\u3000<span class=\"token string\" style=\"color: #669900;\">\"favorite_count\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token number\" style=\"color: #990055;\">1<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span>\r\n\u3000\u3000\r\n\u3000\u3000\u3000\u3000<span class=\"token string\" style=\"color: #669900;\">\"status\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token keyword\" style=\"color: #0077aa;\">null<\/span>\r\n\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">}<\/span> \r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u7531\u4e8ejson\u53ea\u63a5\u53d7utf-8\u7f16\u7801\u7684\u5b57\u7b26\uff0c\u6240\u4ee5json_encode()\u7684\u53c2\u6570\u5fc5\u987b\u662futf-8\u7f16\u7801\uff0c\u5426\u5219\u4f1a\u5f97\u5230\u7a7a\u5b57\u7b26\u6216\u8005null\u3002\u5f53\u4e2d\u6587\u4f7f\u7528GB2312\u7f16\u7801\uff0c\u6216\u8005\u5916\u6587\u4f7f\u7528ISO-8859-1\u7f16\u7801\u7684\u65f6\u5019\uff0c\u8fd9\u4e00\u70b9\u8981\u7279\u522b\u6ce8\u610f\u3002<\/p>\n<p style=\"color: #111111;\">header \u5934\u4f7f\u4f7f\u7528 application\/json \u5373\u53ef<\/p>\n<pre style=\"color: #111111;\">header('Content-type:application\/json;charset=UTF-8');<\/pre>\n<p style=\"color: #111111;\"><strong style=\"font-weight: 800;\">\u4e8c\u3001\u7d22\u5f15\u6570\u7ec4\u548c\u5173\u8054\u6570\u7ec4<\/strong><\/p>\n<p style=\"color: #111111;\">PHP\u652f\u6301\u4e24\u79cd\u6570\u7ec4\uff0c\u4e00\u79cd\u662f\u53ea\u4fdd\u5b58&#8221;\u503c&#8221;\uff08value\uff09\u7684\u7d22\u5f15\u6570\u7ec4\uff08indexed array\uff09\uff0c\u53e6\u4e00\u79cd\u662f\u4fdd\u5b58&#8221;\u540d\u503c\u5bf9&#8221;\uff08name\/value\uff09\u7684\u5173\u8054\u6570\u7ec4\uff08associative array\uff09\u3002<\/p>\n<p style=\"color: #111111;\">\u7531\u4e8ejavascript\u4e0d\u652f\u6301\u5173\u8054\u6570\u7ec4\uff0c\u6240\u4ee5json_encode()\u53ea\u5c06\u7d22\u5f15\u6570\u7ec4\uff08indexed array\uff09\u8f6c\u4e3a\u6570\u7ec4\u683c\u5f0f\uff0c\u800c\u5c06\u5173\u8054\u6570\u7ec4\uff08associative array\uff09\u8f6c\u4e3a\u5bf9\u8c61\u683c\u5f0f\u3002<\/p>\n<p style=\"color: #111111;\">\u6bd4\u5982\uff0c\u73b0\u5728\u6709\u4e00\u4e2a\u7d22\u5f15\u6570\u7ec4<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$arr<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token keyword\" style=\"color: #0077aa;\">Array<\/span><span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><span class=\"token string\" style=\"color: #669900;\">'one'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span> <span class=\"token string\" style=\"color: #669900;\">'two'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span> <span class=\"token string\" style=\"color: #669900;\">'three'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">echo<\/span> <span class=\"token function\" style=\"color: #111111;\">json_encode<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token variable\" style=\"color: #111111;\">$arr<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u7ed3\u679c\u4e3a\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">[<\/span><span class=\"token string\" style=\"color: #669900;\">\"one\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">\"two\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">\"three\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">]<\/span> \r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u5982\u679c\u5c06\u5b83\u6539\u4e3a\u5173\u8054\u6570\u7ec4\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$arr<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token keyword\" style=\"color: #0077aa;\">Array<\/span><span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><span class=\"token string\" style=\"color: #669900;\">'1'<\/span><span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token string\" style=\"color: #669900;\">'one'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span> <span class=\"token string\" style=\"color: #669900;\">'2'<\/span><span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token string\" style=\"color: #669900;\">'two'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span> <span class=\"token string\" style=\"color: #669900;\">'3'<\/span><span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token string\" style=\"color: #669900;\">'three'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n \u3000\u3000\r\n\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">echo<\/span> <span class=\"token function\" style=\"color: #111111;\">json_encode<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token variable\" style=\"color: #111111;\">$arr<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u7ed3\u679c\u5c31\u53d8\u4e86\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">{<\/span><span class=\"token string\" style=\"color: #669900;\">\"1\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token string\" style=\"color: #669900;\">\"one\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">\"2\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token string\" style=\"color: #669900;\">\"two\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token string\" style=\"color: #669900;\">\"3\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token string\" style=\"color: #669900;\">\"three\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">}<\/span> \r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u6ce8\u610f\uff0c\u6570\u636e\u683c\u5f0f\u4ece&#8221;[]&#8221;\uff08\u6570\u7ec4\uff09\u53d8\u6210\u4e86&#8221;{}&#8221;\uff08\u5bf9\u8c61\uff09\u3002<\/p>\n<p style=\"color: #111111;\">\u5982\u679c\u4f60\u9700\u8981\u5c06&#8221;\u7d22\u5f15\u6570\u7ec4&#8221;\u5f3a\u5236\u8f6c\u5316\u6210&#8221;\u5bf9\u8c61&#8221;\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token function\" style=\"color: #111111;\">json_encode<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span> <span class=\"token punctuation\" style=\"color: #999999;\">(<\/span>object<span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token variable\" style=\"color: #111111;\">$arr<\/span> <span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u6216\u8005<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000json_encode <span class=\"token punctuation\" style=\"color: #999999;\">(<\/span> <span class=\"token variable\" style=\"color: #111111;\">$arr<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span> <span class=\"token constant\" style=\"color: #111111;\">JSON_FORCE_OBJECT<\/span> <span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\"><strong style=\"font-weight: 800;\">\u4e09\u3001\u7c7b\uff08class\uff09\u7684\u8f6c\u6362<\/strong><\/p>\n<p style=\"color: #111111;\">\u4e0b\u9762\u662f\u4e00\u4e2aPHP\u7684\u7c7b\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">class<\/span> <span class=\"token class-name\" style=\"color: #111111;\">Foo<\/span> <span class=\"token punctuation\" style=\"color: #999999;\">{<\/span>\r\n\u3000\u3000\r\n\u3000\u3000\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">const<\/span>     <span class=\"token constant\" style=\"color: #111111;\">ERROR_CODE<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token string\" style=\"color: #669900;\">'404'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">public<\/span>    <span class=\"token variable\" style=\"color: #111111;\">$public_ex<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token string\" style=\"color: #669900;\">'this is public'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">private<\/span>   <span class=\"token variable\" style=\"color: #111111;\">$private_ex<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token string\" style=\"color: #669900;\">'this is private!'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">protected<\/span> <span class=\"token variable\" style=\"color: #111111;\">$protected_ex<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token string\" style=\"color: #669900;\">'this should be protected'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span> \r\n \u3000\u3000\r\n\u3000\u3000\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">public<\/span> <span class=\"token keyword\" style=\"color: #0077aa;\">function<\/span> <span class=\"token function\" style=\"color: #111111;\">getErrorCode<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span> <span class=\"token punctuation\" style=\"color: #999999;\">{<\/span>\r\n\u3000\u3000\r\n\u3000\u3000\u3000\u3000\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">return<\/span> self<span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token constant\" style=\"color: #111111;\">ERROR_CODE<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">}<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">}<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u73b0\u5728\uff0c\u5bf9\u8fd9\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u8fdb\u884cjson\u8f6c\u6362\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$foo<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token keyword\" style=\"color: #0077aa;\">new<\/span> <span class=\"token class-name\" style=\"color: #111111;\">Foo<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$foo_json<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token function\" style=\"color: #111111;\">json_encode<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token variable\" style=\"color: #111111;\">$foo<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">echo<\/span> <span class=\"token variable\" style=\"color: #111111;\">$foo_json<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u8f93\u51fa\u7ed3\u679c\u662f<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">{<\/span><span class=\"token string\" style=\"color: #669900;\">\"public_ex\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">:<\/span><span class=\"token string\" style=\"color: #669900;\">\"this is public\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">}<\/span> \r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u53ef\u4ee5\u770b\u5230\uff0c\u9664\u4e86\u516c\u5f00\u53d8\u91cf\uff08public\uff09\uff0c\u5176\u4ed6\u4e1c\u897f\uff08\u5e38\u91cf\u3001\u79c1\u6709\u53d8\u91cf\u3001\u65b9\u6cd5\u7b49\u7b49\uff09\u90fd\u9057\u5931\u4e86\u3002<\/p>\n<p style=\"color: #111111;\"><strong style=\"font-weight: 800;\">\u56db\u3001json_decode()<\/strong><\/p>\n<p style=\"color: #111111;\">\u8be5\u51fd\u6570\u7528\u4e8e\u5c06json\u6587\u672c\u8f6c\u6362\u4e3a\u76f8\u5e94\u7684PHP\u6570\u636e\u7ed3\u6784\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$json<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token string\" style=\"color: #669900;\">'{\"foo\": 12345}'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n \u3000\u3000\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$obj<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token function\" style=\"color: #111111;\">json_decode<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token variable\" style=\"color: #111111;\">$json<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">print<\/span> <span class=\"token variable\" style=\"color: #111111;\">$obj<\/span><span class=\"token operator\" style=\"color: #a67f59;\">-<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span><span class=\"token punctuation\" style=\"color: #999999;\">{<\/span><span class=\"token string\" style=\"color: #669900;\">'foo'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">}<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span><span class=\"token comment\" style=\"color: slategray;\" spellcheck=\"true\"> \/\/ 12345\r\n<\/span>\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u901a\u5e38\u60c5\u51b5\u4e0b\uff0cjson_decode()\u603b\u662f\u8fd4\u56de\u4e00\u4e2aPHP\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u6570\u7ec4\u3002\u6bd4\u5982\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$json<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token string\" style=\"color: #669900;\">'{\"a\":1,\"b\":2,\"c\":3,\"d\":4,\"e\":5}'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n \u3000\u3000\r\n\u3000\u3000<span class=\"token function\" style=\"color: #111111;\">var_dump<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token function\" style=\"color: #111111;\">json_decode<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token variable\" style=\"color: #111111;\">$json<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u7ed3\u679c\u5c31\u662f\u751f\u6210\u4e00\u4e2aPHP\u5bf9\u8c61\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token function\" style=\"color: #111111;\">object<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span>stdClass<span class=\"token punctuation\" style=\"color: #999999;\">)<\/span>#<span class=\"token number\" style=\"color: #990055;\">1<\/span> <span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><span class=\"token number\" style=\"color: #990055;\">5<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span> <span class=\"token punctuation\" style=\"color: #999999;\">{<\/span>\r\n\u3000\u3000\r\n\u3000\u3000\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">[<\/span><span class=\"token string\" style=\"color: #669900;\">\"a\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">]<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span> <span class=\"token function\" style=\"color: #111111;\">int<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token number\" style=\"color: #990055;\">1<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span>\r\n\u3000\u3000\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">[<\/span><span class=\"token string\" style=\"color: #669900;\">\"b\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">]<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span> <span class=\"token function\" style=\"color: #111111;\">int<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token number\" style=\"color: #990055;\">2<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span>\r\n\u3000\u3000\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">[<\/span><span class=\"token string\" style=\"color: #669900;\">\"c\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">]<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span> <span class=\"token function\" style=\"color: #111111;\">int<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token number\" style=\"color: #990055;\">3<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span>\r\n\u3000\u3000\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">[<\/span><span class=\"token string\" style=\"color: #669900;\">\"d\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">]<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span> <span class=\"token function\" style=\"color: #111111;\">int<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token number\" style=\"color: #990055;\">4<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span>\r\n\u3000\u3000\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">[<\/span><span class=\"token string\" style=\"color: #669900;\">\"e\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">]<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span> <span class=\"token function\" style=\"color: #111111;\">int<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token number\" style=\"color: #990055;\">5<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">}<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u5982\u679c\u60f3\u8981\u5f3a\u5236\u751f\u6210PHP\u5173\u8054\u6570\u7ec4\uff0cjson_decode()\u9700\u8981\u52a0\u4e00\u4e2a\u53c2\u6570true\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$json<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token string\" style=\"color: #669900;\">'{\"a\":1,\"b\":2,\"c\":3,\"d\":4,\"e\":5}'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n \u3000\u3000\r\n\u3000\u3000<span class=\"token function\" style=\"color: #111111;\">var_dump<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token function\" style=\"color: #111111;\">json_decode<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token variable\" style=\"color: #111111;\">$json<\/span><span class=\"token punctuation\" style=\"color: #999999;\">,<\/span><span class=\"token boolean\" style=\"color: #990055;\">true<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u7ed3\u679c\u5c31\u751f\u6210\u4e86\u4e00\u4e2a\u5173\u8054\u6570\u7ec4\uff1a<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token keyword\" style=\"color: #0077aa;\">array<\/span><span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><span class=\"token number\" style=\"color: #990055;\">5<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span> <span class=\"token punctuation\" style=\"color: #999999;\">{<\/span>\r\n\u3000\u3000\r\n\u3000\u3000 \u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">[<\/span><span class=\"token string\" style=\"color: #669900;\">\"a\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">]<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span> <span class=\"token function\" style=\"color: #111111;\">int<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token number\" style=\"color: #990055;\">1<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span>\r\n\u3000\u3000 \u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">[<\/span><span class=\"token string\" style=\"color: #669900;\">\"b\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">]<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span> <span class=\"token function\" style=\"color: #111111;\">int<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token number\" style=\"color: #990055;\">2<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span>\r\n\u3000\u3000 \u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">[<\/span><span class=\"token string\" style=\"color: #669900;\">\"c\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">]<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span> <span class=\"token function\" style=\"color: #111111;\">int<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token number\" style=\"color: #990055;\">3<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span>\r\n\u3000\u3000 \u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">[<\/span><span class=\"token string\" style=\"color: #669900;\">\"d\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">]<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span> <span class=\"token function\" style=\"color: #111111;\">int<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token number\" style=\"color: #990055;\">4<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span>\r\n\u3000\u3000 \u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">[<\/span><span class=\"token string\" style=\"color: #669900;\">\"e\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">]<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span><span class=\"token operator\" style=\"color: #a67f59;\">&gt;<\/span> <span class=\"token function\" style=\"color: #111111;\">int<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token number\" style=\"color: #990055;\">5<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token punctuation\" style=\"color: #999999;\">}<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\"><strong style=\"font-weight: 800;\">\u4e94\u3001json_decode()\u7684\u5e38\u89c1\u9519\u8bef<\/strong><\/p>\n<p style=\"color: #111111;\">\u4e0b\u9762\u4e09\u79cdjson\u5199\u6cd5\u90fd\u662f\u9519\u7684\uff0c\u4f60\u80fd\u770b\u51fa\u9519\u5728\u54ea\u91cc\u5417\uff1f<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$bad_json<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token string\" style=\"color: #669900;\">\"{ 'bar': 'baz' }\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$bad_json<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token string\" style=\"color: #669900;\">'{ bar: \"baz\" }'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n\u3000\u3000<span class=\"token variable\" style=\"color: #111111;\">$bad_json<\/span> <span class=\"token operator\" style=\"color: #a67f59;\">=<\/span> <span class=\"token string\" style=\"color: #669900;\">'{ \"bar\": \"baz\", }'<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span>\r\n\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\">\u5bf9\u8fd9\u4e09\u4e2a\u5b57\u7b26\u4e32\u6267\u884cjson_decode()\u90fd\u5c06\u8fd4\u56denull\uff0c\u5e76\u4e14\u62a5\u9519\u3002<\/p>\n<p style=\"color: #111111;\">\u7b2c\u4e00\u4e2a\u7684\u9519\u8bef\u662f\uff0cjson\u7684\u5206\u9694\u7b26\uff08delimiter\uff09\u53ea\u5141\u8bb8\u4f7f\u7528\u53cc\u5f15\u53f7\uff0c\u4e0d\u80fd\u4f7f\u7528\u5355\u5f15\u53f7\u3002\u7b2c\u4e8c\u4e2a\u7684\u9519\u8bef\u662f\uff0cjson\u540d\u503c\u5bf9\u7684&#8221;\u540d&#8221;\uff08\u5192\u53f7\u5de6\u8fb9\u7684\u90e8\u5206\uff09\uff0c\u4efb\u4f55\u60c5\u51b5\u4e0b\u90fd\u5fc5\u987b\u4f7f\u7528\u53cc\u5f15\u53f7\u3002\u7b2c\u4e09\u4e2a\u7684\u9519\u8bef\u662f\uff0c\u6700\u540e\u4e00\u4e2a\u503c\u4e4b\u540e\u4e0d\u80fd\u6dfb\u52a0\u9017\u53f7\uff08trailing comma\uff09\u3002<\/p>\n<p>\u53e6\u5916\uff0cjson\u53ea\u80fd\u7528\u6765\u8868\u793a\u5bf9\u8c61\uff08object\uff09\u548c\u6570\u7ec4\uff08array\uff09\uff0c\u5982\u679c\u5bf9\u4e00\u4e2a\u5b57\u7b26\u4e32\u6216\u6570\u503c\u4f7f\u7528json_decode()\uff0c\u5c06\u4f1a\u8fd4\u56denull\u3002<\/p>\n<blockquote style=\"color: #111111;\">\n<pre class=\" language-php\" style=\"color: black;\"><code class=\" language-php\" style=\"color: black;\">\r\n\u3000\u3000<span class=\"token function\" style=\"color: #111111;\">var_dump<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token function\" style=\"color: #111111;\">json_decode<span class=\"token punctuation\" style=\"color: #999999;\">(<\/span><\/span><span class=\"token string\" style=\"color: #669900;\">\"Hello World\"<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">)<\/span><span class=\"token punctuation\" style=\"color: #999999;\">;<\/span><span class=\"token comment\" style=\"color: slategray;\" spellcheck=\"true\"> \/\/null\r\n<\/span>\u3000\u3000\r\n<\/code><\/pre>\n<\/blockquote>\n<p style=\"color: #111111;\"><a href=\"http:\/\/www.ruanyifeng.com\/blog\/2011\/01\/json_in_php.html\" target=\"_blank\">http:\/\/www.ruanyifeng.com\/blog\/2011\/01\/json_in_php.html<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u65e5\u671f\uff1a\u00a02011\u5e741\u670814\u65e5 \u76ee\u524d\uff0cJSON\u5df2\u7ecf\u6210\u4e3a\u6700\u6d41\u884c\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\u4e4b\u4e00\uff0c\u5404\u5927\u7f51\u7ad9\u7684API\u51e0\u4e4e\u90fd\u652f\u6301\u5b83\u3002  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-4495","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/4495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4495"}],"version-history":[{"count":0,"href":"https:\/\/sdeno.com\/index.php?rest_route=\/wp\/v2\/posts\/4495\/revisions"}],"wp:attachment":[{"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdeno.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}