{"id":645,"date":"2022-05-17T10:57:25","date_gmt":"2022-05-17T03:57:25","guid":{"rendered":"http:\/\/azfree.co\/?p=645"},"modified":"2022-08-03T15:05:18","modified_gmt":"2022-08-03T08:05:18","slug":"mang-trong-php","status":"publish","type":"post","link":"https:\/\/123.guong.com.vn\/?p=645","title":{"rendered":"M\u1ea3ng 1 chi\u1ec1u trong PHP"},"content":{"rendered":"\n<div id=\"muc-luc\">\n<p>T\u00ecm hi\u1ec3u h\u00e0m <a href=\"https:\/\/www.php.net\/manual\/en\/function.array\" target=\"_blank\" rel=\"noopener\">array()<\/a> UK, US \/<span class=\"ipa dipa lpr-2 lpl-1\">\u0259\u02c8re\u026a<\/span>\/<\/p>\n&nbsp;<\/div>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >N\u1ed9i dung ch&iacute;nh<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Mang_la_gi\" title=\"M\u1ea3ng l\u00e0 g\u00ec?\">M\u1ea3ng l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Cau_truc_mang\" title=\"C\u1ea5u tr\u00fac m\u1ea3ng\">C\u1ea5u tr\u00fac m\u1ea3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Khoi_tao_gia_tri_cho_mang\" title=\"Kh\u1edfi t\u1ea1o gi\u00e1 tr\u1ecb cho m\u1ea3ng\">Kh\u1edfi t\u1ea1o gi\u00e1 tr\u1ecb cho m\u1ea3ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Khoi_tao_ngay_luc_tao_mang\" title=\"Kh\u1edfi t\u1ea1o ngay l\u00fac t\u1ea1o m\u1ea3ng\">Kh\u1edfi t\u1ea1o ngay l\u00fac t\u1ea1o m\u1ea3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Khoi_tao_gia_tri_rieng_le\" title=\"Kh\u1edfi t\u1ea1o gi\u00e1 tr\u1ecb ri\u00eang l\u1ebb\">Kh\u1edfi t\u1ea1o gi\u00e1 tr\u1ecb ri\u00eang l\u1ebb<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Mang_rong\" title=\"M\u1ea3ng r\u1ed7ng\">M\u1ea3ng r\u1ed7ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Mang_co_key_mac_dinh\" title=\"M\u1ea3ng c\u00f3 key m\u1eb7c \u0111\u1ecbnh\">M\u1ea3ng c\u00f3 key m\u1eb7c \u0111\u1ecbnh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Them_phan_tu_mang\" title=\"Th\u00eam ph\u1ea7n t\u1eed m\u1ea3ng\">Th\u00eam ph\u1ea7n t\u1eed m\u1ea3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Suacap_nhat_phan_tu_mang\" title=\"S\u1eeda\/c\u1eadp nh\u1eadt ph\u1ea7n t\u1eed m\u1ea3ng\">S\u1eeda\/c\u1eadp nh\u1eadt ph\u1ea7n t\u1eed m\u1ea3ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Mang_co_key_xac_dinh\" title=\"M\u1ea3ng c\u00f3 key x\u00e1c \u0111\u1ecbnh\">M\u1ea3ng c\u00f3 key x\u00e1c \u0111\u1ecbnh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Them_phan_tu_mang-2\" title=\"Th\u00eam ph\u1ea7n t\u1eed m\u1ea3ng\">Th\u00eam ph\u1ea7n t\u1eed m\u1ea3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Suacap_nhat_phan_tu_mang-2\" title=\"S\u1eeda\/c\u1eadp nh\u1eadt ph\u1ea7n t\u1eed m\u1ea3ng\">S\u1eeda\/c\u1eadp nh\u1eadt ph\u1ea7n t\u1eed m\u1ea3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/123.guong.com.vn\/?p=645\/#Lay_gia_tri_mang\" title=\"L\u1ea5y gi\u00e1 tr\u1ecb m\u1ea3ng\">L\u1ea5y gi\u00e1 tr\u1ecb m\u1ea3ng<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Mang_la_gi\"><\/span>M\u1ea3ng l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>M\u1ea3ng l\u00e0 bi\u1ebfn \u0111\u1eb7c bi\u1ec7t c\u00f3 th\u1ec3 l\u01b0u nhi\u1ec1u gi\u00e1 tr\u1ecb trong c\u00f9ng m\u1ed9t th\u1eddi \u0111i\u1ec3m.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">\/\/L\u01b0u th\u00f4ng th\u01b0\u1eddng\n$user_1 = 'hoangnam';\n$user_2 = 'kimanh';\n$user_3 = 'haminh';\n\n\/\/L\u01b0u m\u1ea3ng\n$list_users = array('hoangnam','kimanh','haminh');<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Cau_truc_mang\"><\/span>C\u1ea5u tr\u00fac m\u1ea3ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: right;\"><a href=\"#muc-luc\">V\u1ec1 m\u1ee5c l\u1ee5c<\/a><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 20%; text-align: center;\"><strong>Key<\/strong><\/td>\n<td style=\"width: 20%; text-align: center;\">key1<\/td>\n<td style=\"width: 20%; text-align: center;\">key2<\/td>\n<td style=\"width: 20%; text-align: center;\">key3<\/td>\n<td style=\"width: 20%; text-align: center;\">&#8230;<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 20%; text-align: center;\"><strong>Value<\/strong><\/td>\n<td style=\"width: 20%; text-align: center;\">value1<\/td>\n<td style=\"width: 20%; text-align: center;\">value2<\/td>\n<td style=\"width: 20%; text-align: center;\">value3<\/td>\n<td style=\"width: 20%; text-align: center;\">&#8230;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Key<\/strong>: D\u00f9ng \u0111\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c ph\u1ea7n t\u1eed m\u1ea3ng, n\u00f3 l\u00e0 duy nh\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c t\u1ea1o b\u1edfi <em>Chu\u1ed7i<\/em> ho\u1eb7c&nbsp;<em>S\u1ed1 nguy\u00ean.<\/em><\/p>\n<p><strong>Value<\/strong>: Gi\u00e1 tr\u1ecb c\u1ee7a t\u1eebng ph\u1ea7n t\u1eed m\u1ea3ng.<\/p>\n<p><strong>(Key,Value)<\/strong> l\u00e0 c\u1eb7p th\u00f4ng tin \u0111\u1eb7c tr\u01b0ng c\u1ee7a m\u1ed7i ph\u1ea7n t\u1eed m\u1ea3ng.<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">$myArray = array('key1' =&gt; 'value1','key2' =&gt; 'value2','key3' =&gt; 'value3'); \/\/C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng '' ho\u1eb7c \"\"<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Khoi_tao_gia_tri_cho_mang\"><\/span>Kh\u1edfi t\u1ea1o gi\u00e1 tr\u1ecb cho m\u1ea3ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: right;\"><a href=\"#muc-luc\">V\u1ec1 m\u1ee5c l\u1ee5c<\/a><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khoi_tao_ngay_luc_tao_mang\"><\/span>Kh\u1edfi t\u1ea1o ngay l\u00fac t\u1ea1o m\u1ea3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">$info = array(\n    'id' =&gt; 1, \/\/id l\u00e0 s\u1ed1, kh\u00f4ng \u0111\u1ec3 ki\u1ec3u chu\u1ed7i\n    'fullname' =&gt; 'Nguy\u1ec5n Ho\u00e0ng An',\n    'email' =&gt; 'info@azfree.co',\n);<\/pre>\n<h3><span class=\"ez-toc-section\" id=\"Khoi_tao_gia_tri_rieng_le\"><\/span>Kh\u1edfi t\u1ea1o gi\u00e1 tr\u1ecb ri\u00eang l\u1ebb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">\/\/L\u00fac \u0111\u1ea7u l\u00e0 m\u1ea3ng r\u1ed7ng\n$info = array();\n\n\/\/Sau \u0111\u00f3 c\u1eadp nh\u1eadt t\u1eebng ph\u1ea7n t\u1eed cho m\u1ea3ng\n$info['id'] = 1;\n$info['fullname'] = 'Nguy\u1ec5n Ho\u00e0ng An';\n$info['email'] = 'info@azfree.co';<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Mang_rong\"><\/span>M\u1ea3ng r\u1ed7ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: right;\"><a href=\"#muc-luc\">V\u1ec1 m\u1ee5c l\u1ee5c<\/a><\/p>\n<p>D\u00f9ng l\u00e0m m\u1ea3ng kh\u1edfi t\u1ea1o nh\u01b0: Ki\u1ec3m tra d\u1eef li\u1ec7u, th\u00f4ng b\u00e1o l\u1ed7i,&#8230;<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">$error = array();<\/pre>\n<p>V\u00ed d\u1ee5:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">&lt;?php\n\n\/\/T\u1ea1o m\u1ea3ng r\u1ed7ng\n$error = array();\n\n\/\/C\u1eadp nh\u1eadt cho m\u1ea3ng r\u1ed7ng\n$error['user'] = 'User kh\u00f4ng \u0111\u1ec3 tr\u1ed1ng';\n\n\/\/Xu\u1ea5t d\u1eef li\u1ec7u\necho \"&lt;pre&gt;\";\nprint_r($error);\necho \"&lt;\/pre&gt;\";\n\n?&gt;<\/pre>\n<p>K\u1ebft qu\u1ea3:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">Array\n(\n    [user] =&gt; User kh\u00f4ng \u0111\u1ec3 tr\u1ed1ng\n)<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Mang_co_key_mac_dinh\"><\/span>M\u1ea3ng c\u00f3 key m\u1eb7c \u0111\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: right;\"><a href=\"#muc-luc\">V\u1ec1 m\u1ee5c l\u1ee5c<\/a><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">$list_odd = array(0 =&gt; 1, 1 =&gt; 3, 2 =&gt; 5, 3 =&gt; 7, 4 =&gt; 9); \/\/C\u00e1ch n\u00e0y kh\u00f4ng c\u1ea7n thi\u1ebft<\/pre>\n<p>C\u00e1ch vi\u1ebft r\u00fat g\u1ecdn:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">$list_odd = array(1, 3, 5, 7, 9); \/\/C\u00e1ch n\u00e0y hay d\u00f9ng<\/pre>\n<p>Key m\u1eb7c \u0111\u1ecbnh ch\u1ea1y t\u1eeb 0, 1, 2, 3,&#8230; v\u00e0 <em>c\u00f3 c\u00f9ng t\u00ednh ch\u1ea5t<\/em>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Them_phan_tu_mang\"><\/span>Th\u00eam ph\u1ea7n t\u1eed m\u1ea3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: right;\"><a href=\"#muc-luc\">V\u1ec1 m\u1ee5c l\u1ee5c<\/a><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">&lt;?php\n\n$list_odd = array(1, 3, 5, 7); \n\n\/\/Th\u00eam ph\u1ea7n t\u1eed \n$list_odd[] = 9;\n\n\/\/Xu\u1ea5t d\u1eef li\u1ec7u\necho \"&lt;pre&gt;\";\nprint_r($list_odd);\necho \"&lt;\/pre&gt;\";\n\n?&gt;<\/pre>\n<p>K\u1ebft qu\u1ea3:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">Array\n(\n    [0] =&gt; 1\n    [1] =&gt; 3\n    [2] =&gt; 5\n    [3] =&gt; 7\n    [4] =&gt; 9\n)<\/pre>\n<h3><span class=\"ez-toc-section\" id=\"Suacap_nhat_phan_tu_mang\"><\/span>S\u1eeda\/c\u1eadp nh\u1eadt ph\u1ea7n t\u1eed m\u1ea3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: right;\"><a href=\"#muc-luc\">V\u1ec1 m\u1ee5c l\u1ee5c<\/a><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">&lt;?php\n\n$list_odd = array(1, 3, 6, 7); \n\n\/\/S\u1eeda ph\u1ea7n t\u1eed m\u1ea3ng \n$list_odd[2] = 5;\n\n\/\/Xu\u1ea5t d\u1eef li\u1ec7u\necho \"&lt;pre&gt;\";\nprint_r($list_odd);\necho \"&lt;\/pre&gt;\";\n\n?&gt;<\/pre>\n<p>K\u1ebft qu\u1ea3:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">Array\n(\n    [0] =&gt; 1\n    [1] =&gt; 3\n    [2] =&gt; 5\n    [3] =&gt; 7\n)<\/pre>\n<h2><span class=\"ez-toc-section\" id=\"Mang_co_key_xac_dinh\"><\/span>M\u1ea3ng c\u00f3 key x\u00e1c \u0111\u1ecbnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: right;\"><a href=\"#muc-luc\">V\u1ec1 m\u1ee5c l\u1ee5c<\/a><\/p>\n<p>Key x\u00e1c \u0111\u1ecbnh l\u00e0 key mang \u0111\u1eb7c tr\u01b0ng c\u1ee7a ph\u1ea7n t\u1eed \u0111\u00f3, n\u00f3 <em>c\u00f3 t\u00ednh ch\u1ea5t kh\u00e1c nhau<\/em>. M\u1ed7i ph\u1ea7n t\u1eed c\u00f3 Key mang \u00fd ngh\u0129a t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Them_phan_tu_mang-2\"><\/span>Th\u00eam ph\u1ea7n t\u1eed m\u1ea3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: right;\"><a href=\"#muc-luc\">V\u1ec1 m\u1ee5c l\u1ee5c<\/a><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">&lt;?php\n\n$info = array(\n    'id' =&gt; 1,\n    'fullname' =&gt; 'Nguy\u1ec5n Ho\u00e0ng An',\n    'address' =&gt; 'AZFREE',\n    'email' =&gt; 'info@azfree.co'\n);\n\n\/\/Th\u00eam ph\u1ea7n t\u1eed m\u1ea3ng\n$info['age'] = '20';\n\n\/\/Xu\u1ea5t d\u1eef li\u1ec7u\necho \"&lt;pre&gt;\";\nprint_r($info);\necho \"&lt;\/pre&gt;\";\n\n?&gt;<\/pre>\n<p>K\u1ebft qu\u1ea3:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">Array\n(\n    [id] =&gt; 1\n    [fullname] =&gt; Nguy\u1ec5n Ho\u00e0ng An\n    [address] =&gt; AZFREE\n    [email] =&gt; info@azfree.co\n    [age] =&gt; 20\n)<\/pre>\n<h3><span class=\"ez-toc-section\" id=\"Suacap_nhat_phan_tu_mang-2\"><\/span>S\u1eeda\/c\u1eadp nh\u1eadt ph\u1ea7n t\u1eed m\u1ea3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: right;\"><a href=\"#muc-luc\">V\u1ec1 m\u1ee5c l\u1ee5c<\/a><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">&lt;?php\n\n$info = array(\n    'id' =&gt; 1,\n    'fullname' =&gt; 'Nguy\u1ec5n Ho\u00e0ng An',\n    'address' =&gt; 'AZFREE',\n    'email' =&gt; 'info@azfree.co',\n    'age' =&gt; 20\n);\n\n\/\/S\u1eeda ph\u1ea7n t\u1eed m\u1ea3ng\n$info['address'] = 'Vi\u1ec7t Nam';\n\n\/\/Xu\u1ea5t d\u1eef li\u1ec7u\necho \"&lt;pre&gt;\";\nprint_r($info);\necho \"&lt;\/pre&gt;\";\n\n?&gt;<\/pre>\n<p>K\u1ebft qu\u1ea3:<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">Array\n(\n    [id] =&gt; 1\n    [fullname] =&gt; Nguy\u1ec5n Ho\u00e0ng An\n    [address] =&gt; Vi\u1ec7t Nam\n    [email] =&gt; info@azfree.co\n    [age] =&gt; 20\n)<\/pre>\n<h3><span class=\"ez-toc-section\" id=\"Lay_gia_tri_mang\"><\/span>L\u1ea5y gi\u00e1 tr\u1ecb m\u1ea3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: right;\"><a href=\"#muc-luc\">V\u1ec1 m\u1ee5c l\u1ee5c<\/a><\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"php\">&lt;?php\n\n$info = array(\n    'id' =&gt; 1,\n    'fullname' =&gt; 'Nguy\u1ec5n Ho\u00e0ng An',\n    'email' =&gt; 'info@azfree.co',\n);\n\n\/\/B1: L\u1ea5y gi\u00e1 tr\u1ecb c\u1ee7a m\u1ea3ng, ph\u1ea7n n\u00e0y c\u00f3 th\u1ec3 b\u1ecf qua\n$id = $info['id'];\n$fullname = $info['fullname'];\n$email = $info['email'];\n\n?&gt;\n\n&lt;!-- B2: L\u1ea5y th\u00f4ng tin v\u00e0 xu\u1ea5t l\u00ean html --&gt;\n&lt;html&gt;\n    &lt;head&gt;\n        &lt;title&gt;L\u1ea5y th\u00f4ng tin m\u1ea3ng&lt;\/title&gt;\n    &lt;\/head&gt;\n    &lt;body&gt;\n        &lt;p&gt;ID: &lt;strong&gt;&lt;?php echo $id ?&gt;&lt;\/strong&gt;&lt;\/p&gt;\n        &lt;p&gt;H\u1ecd t\u00ean: &lt;strong&gt;&lt;?php echo $fullname ?&gt;&lt;\/strong&gt;&lt;\/p&gt;\n        &lt;p&gt;Email: &lt;strong&gt;&lt;?php echo $info['email'] ?&gt;&lt;\/strong&gt;&lt;\/p&gt; &lt;!-- \u0110\u00e2y l\u00e0 l\u00fd do B1 kh\u00f4ng c\u1ea7n t\u1edbi --&gt;\n    &lt;\/body&gt;\n&lt;\/html&gt;<\/pre>\n<p>K\u1ebft qu\u1ea3:<\/p>\n<p>ID:&nbsp;<strong>1<\/strong><\/p>\n<p>H\u1ecd t\u00ean:&nbsp;<strong>Nguy\u1ec5n Ho\u00e0ng An<\/strong><\/p>\n<p>Email:&nbsp;<strong>info@azfree.co<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ea3ng l\u00e0 bi\u1ebfn \u0111\u1eb7c bi\u1ec7t c\u00f3 th\u1ec3 l\u01b0u nhi\u1ec1u gi\u00e1 tr\u1ecb trong c\u00f9ng m\u1ed9t th\u1eddi \u0111i\u1ec3m.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[112],"tags":[127],"series":[],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v18.1 (Yoast SEO v22.4) - 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