{"id":13930,"date":"2019-12-12T16:44:59","date_gmt":"2019-12-12T16:44:59","guid":{"rendered":"https:\/\/kiencang.net\/?p=13930"},"modified":"2022-01-20T10:00:12","modified_gmt":"2022-01-20T03:00:12","slug":"chen-code-vao-wordpress","status":"publish","type":"post","link":"https:\/\/kiencang.net\/chen-code-vao-wordpress\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn ch\u00e8n code v\u00e0o WordPress theo c\u00e1ch an to\u00e0n (g\u1ee3i \u00fd: s\u1eed d\u1ee5ng plugin)"},"content":{"rendered":"\n<p>B\u1ea1n th\u01b0\u1eddng t\u00ecm th\u1ea5y tr\u00ean m\u1ea1ng c\u00e1c \u0111o\u1ea1n m\u00e3 \u0111\u1ec3 ch\u00e8n v\u00e0o website trong khi t\u00ecm ki\u1ebfm c\u00e1ch kh\u1eafc ph\u1ee5c r\u1eafc r\u1ed1i n\u00e0o \u0111\u00f3 li\u00ean quan \u0111\u1ebfn WordPress. H\u1ea7u h\u1ebft nh\u1eefng ng\u01b0\u1eddi l\u1ea7n \u0111\u1ea7u ti\u00ean g\u1eb7p ph\u1ea3i \u0111i\u1ec1u n\u00e0y kh\u00f4ng bi\u1ebft n\u00ean \u0111\u1eb7t m\u00e3 v\u00e0o ch\u1ed7 n\u00e0o. C\u00e2u tr\u1ea3 l\u1eddi th\u01b0\u1eddng g\u1eb7p l\u00e0 &#8220;functions.php&#8221;. Nh\u01b0ng \u0111\u00e2y l\u00e0 \u00fd t\u01b0\u1edfng t\u1ed3i.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_60 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/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\" role=\"button\"><label for=\"item-6577d6f72460a\" ><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><\/label><input aria-label=\"Toggle\" aria-label=\"item-6577d6f72460a\"  type=\"checkbox\" id=\"item-6577d6f72460a\"><\/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:\/\/kiencang.net\/chen-code-vao-wordpress\/#Tai_sao_ban_khong_nen_su_dung_functionsphp_de_bo_sung_ma_cho_WordPress\" title=\"T\u1ea1i sao b\u1ea1n kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng functions.php \u0111\u1ec3 b\u1ed5 sung m\u00e3 cho WordPress?\">T\u1ea1i sao b\u1ea1n kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng functions.php \u0111\u1ec3 b\u1ed5 sung m\u00e3 cho WordPress?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/kiencang.net\/chen-code-vao-wordpress\/#Buoc_1_Tao_mot_thu_muc_va_file_tren_may_tinh_cua_ban\" title=\"B\u01b0\u1edbc 1: T\u1ea1o m\u1ed9t th\u01b0 m\u1ee5c v\u00e0 file tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n\">B\u01b0\u1edbc 1: T\u1ea1o m\u1ed9t th\u01b0 m\u1ee5c v\u00e0 file tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/kiencang.net\/chen-code-vao-wordpress\/#Buoc_2_Paste_ma_plugin_can_ban_vao_trong_file_PHP\" title=\"B\u01b0\u1edbc 2: Paste m\u00e3 plugin c\u0103n b\u1ea3n v\u00e0o trong file PHP\">B\u01b0\u1edbc 2: Paste m\u00e3 plugin c\u0103n b\u1ea3n v\u00e0o trong file PHP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/kiencang.net\/chen-code-vao-wordpress\/#Buoc_3_Nen_thu_muc_cung_voi_file_ben_trong_no\" title=\"B\u01b0\u1edbc 3: N\u00e9n th\u01b0 m\u1ee5c c\u00f9ng v\u1edbi file b\u00ean trong n\u00f3\">B\u01b0\u1edbc 3: N\u00e9n th\u01b0 m\u1ee5c c\u00f9ng v\u1edbi file b\u00ean trong n\u00f3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/kiencang.net\/chen-code-vao-wordpress\/#Buoc_4_Cai_dat_plugin_thong_qua_file_zip\" title=\"B\u01b0\u1edbc 4: C\u00e0i \u0111\u1eb7t plugin th\u00f4ng qua file zip\">B\u01b0\u1edbc 4: C\u00e0i \u0111\u1eb7t plugin th\u00f4ng qua file zip<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/kiencang.net\/chen-code-vao-wordpress\/#Buoc_5_Them_ma_tuy_chinh_vao_Plugin_vua_tai_len\" title=\"B\u01b0\u1edbc 5: Th\u00eam m\u00e3 t\u00f9y ch\u1ec9nh v\u00e0o Plugin v\u1eeba t\u1ea3i l\u00ean\">B\u01b0\u1edbc 5: Th\u00eam m\u00e3 t\u00f9y ch\u1ec9nh v\u00e0o Plugin v\u1eeba t\u1ea3i l\u00ean<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tai_sao_ban_khong_nen_su_dung_functionsphp_de_bo_sung_ma_cho_WordPress\"><\/span>T\u1ea1i sao b\u1ea1n kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng functions.php \u0111\u1ec3 b\u1ed5 sung m\u00e3 cho WordPress?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>S\u1eed d\u1ee5ng functions.php \u0111\u1ec3 ch\u00e8n m\u00e3 v\u00e0o WordPress ti\u1ec1m \u1ea9n nguy c\u01a1 v\u00ec m\u1ed9t s\u1ed1 l\u00fd do sau \u0111\u00e2y.<\/p>\n\n\n\n<p>\u0110\u1ea7u ti\u00ean, giao di\u1ec7n website c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i (bao g\u1ed3m \u0111\u1ed5i theme kh\u00e1c v\u00e0 c\u1eadp nh\u1eadt theme c\u0169). V\u00e0 khi n\u00f3 thay \u0111\u1ed5i, file functions.php c\u0169ng thay \u0111\u1ed5i theo. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n s\u1ebd ph\u1ea3i chuy\u1ec3n to\u00e0n b\u1ed9 m\u00e3 c\u1ee7a m\u00ecnh sang file functions.php c\u1ee7a theme m\u1edbi. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc b\u1ed5 sung ch\u1eb3ng c\u00f3 g\u00ec ti\u1ec7n l\u1ee3i, v\u00e0 t\u1ec7 h\u01a1n l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 qu\u00ean kh\u00f4ng l\u00e0m.<\/p>\n\n\n\n<p>L\u00fd do th\u1ee9 hai nghi\u00eam tr\u1ecdng h\u01a1n nhi\u1ec1u. L\u1ed7i trong functions.php s\u1ebd l\u00e0m s\u1eadp website c\u1ee7a b\u1ea1n. Nguy\u00ean nh\u00e2n l\u00e0 v\u00ec ch\u00ednh b\u1ea3n th\u00e2n giao di\u1ec7n b\u1ecb h\u1ecfng. M\u1ed9t l\u1ed7i c\u00fa ph\u00e1p \u0111\u01a1n gi\u1ea3n n\u00e0o \u0111\u00f3 s\u1ebd l\u00e0m h\u1ecfng website c\u1ee7a b\u1ea1n, v\u00e0 \u0111\u00f3 l\u00e0 \u0111i\u1ec1u c\u1ef1c k\u1ef3 nguy hi\u1ec3m<\/p>\n\n\n\n<p>V\u00ec l\u00fd do n\u00e0y, t\u00f4i th\u00edch s\u1eed d\u1ee5ng plugin t\u00f9y ch\u1ec9nh \u0111\u1ec3 th\u00eam m\u00e3. V\u00e0 b\u00e0i vi\u1ebft n\u00e0y s\u1ebd ch\u1ec9 cho b\u1ea1n th\u1ea5y c\u00e1ch l\u00e0m n\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_1_Tao_mot_thu_muc_va_file_tren_may_tinh_cua_ban\"><\/span>B\u01b0\u1edbc 1: T\u1ea1o m\u1ed9t th\u01b0 m\u1ee5c v\u00e0 file tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>T\u00ean t\u00f9y b\u1ea1n ch\u1ecdn nh\u01b0ng n\u00ean kh\u00f4ng c\u00f3 d\u1ea5u, v\u00e0 theo m\u1eabu nh\u01b0 b\u00ean d\u01b0\u1edbi:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"260\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/tao-thu-muc.png\" alt=\"t\u1ea1o th\u01b0 m\u1ee5c tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n\" class=\"wp-image-13932\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/tao-thu-muc.png 550w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/tao-thu-muc-300x142.png 300w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_2_Paste_ma_plugin_can_ban_vao_trong_file_PHP\"><\/span>B\u01b0\u1edbc 2: Paste m\u00e3 plugin c\u0103n b\u1ea3n v\u00e0o trong file PHP<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1edf file PHP b\u1ea1n t\u1ea1o trong B\u01b0\u1edbc 1, v\u00e0 paste \u0111o\u1ea1n m\u00e3 sau v\u00e0o trong n\u00f3:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;?php\n\/* Plugin Name: NameHero Custom Code Plugin\nMo ta: Dat ma tuy chinh vao trong WordPress\n*\/<\/pre>\n\n\n\n<p>\u0110\u00e2y l\u00e0 \u0111o\u1ea1n m\u00e3 l\u00e0m khung s\u01b0\u1eddn c\u1ee7a plugin. Sau khi c\u00e0i \u0111\u1eb7t, &#8220;Plugin Name \/ T\u00ean Plugin&#8221; s\u1ebd xu\u1ea5t hi\u1ec7n trong danh s\u00e1ch plugin c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_3_Nen_thu_muc_cung_voi_file_ben_trong_no\"><\/span>B\u01b0\u1edbc 3: N\u00e9n th\u01b0 m\u1ee5c c\u00f9ng v\u1edbi file b\u00ean trong n\u00f3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>WordPress ch\u1ec9 cho ph\u00e9p ch\u00fang ta t\u1ea3i l\u00ean (upload) file c\u00f3 \u0111\u1ecbnh d\u1ea1ng &#8220;zip&#8221;. Do v\u1eady b\u1ea1n c\u1ea7n chu\u1ed9t ph\u1ea3i v\u00e0o th\u01b0 m\u1ee5c, chuy\u1ec3n \u0111\u1ebfn &#8220;Send to&#8221;, v\u00e0 ch\u1ecdn &#8220;Compressed (zipped) Folder&#8221; nh\u01b0 d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"416\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/nen-plugin.png\" alt=\"n\u00e9n plugin\" class=\"wp-image-13933\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/nen-plugin.png 550w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/nen-plugin-300x227.png 300w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/figure><\/div>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y s\u1ebd t\u1ea1o ra file zip \u0111\u1ec3 b\u1ea1n chu\u1ea9n b\u1ecb t\u1ea3i l\u00ean WordPress.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_4_Cai_dat_plugin_thong_qua_file_zip\"><\/span>B\u01b0\u1edbc 4: C\u00e0i \u0111\u1eb7t plugin th\u00f4ng qua file zip<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>B\u1ea1n v\u00e0o WordPress dashboard, v\u00e0 click &#8220;Plugins &gt; Add New&#8221; nh\u01b0 h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"271\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/them-moi-plugin.png\" alt=\"th\u00eam m\u1edbi plugin\" class=\"wp-image-13934\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/them-moi-plugin.png 550w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/them-moi-plugin-300x148.png 300w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/figure><\/div>\n\n\n\n<p>Sau \u0111\u00f3 b\u1ea1n click v\u00e0o &#8220;Upload Plugin&#8221; \u1edf tr\u00ean \u0111\u1ea7u. N\u00f3 s\u1ebd m\u1edf ra m\u1ed9t ph\u1ea7n m\u1edbi cho ph\u00e9p b\u1ea1n l\u1ef1a ch\u1ecdn file t\u1eeb m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n. Click v\u00e0o n\u00fat \u0111\u00f3, r\u1ed3i l\u1ef1a ch\u1ecdn file v\u00e0 ch\u1ecdn &#8220;Install Now&#8221;:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"363\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/chon-file-va-cai-dat.png\" alt=\"ch\u1ecdn file v\u00e0 c\u00e0i \u0111\u1eb7t\" class=\"wp-image-13935\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/chon-file-va-cai-dat.png 550w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/chon-file-va-cai-dat-300x198.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/chon-file-va-cai-dat-263x175.png 263w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/figure><\/div>\n\n\n\n<p>Thao t\u00e1c n\u00e0y s\u1ebd l\u00e0m nhi\u1ec7m v\u1ee5 t\u1ea3i plugin l\u00ean v\u00e0 c\u00e0i \u0111\u1eb7t n\u00f3. Khi qu\u00e1 tr\u00ecnh n\u00e0y ho\u00e0n th\u00e0nh, ch\u00fang ta ch\u1ec9 vi\u1ec7c k\u00edch ho\u1ea1t plugin nh\u01b0 h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"283\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/kich-hoat-plugin.png\" alt=\"k\u00edch ho\u1ea1t plugin\" class=\"wp-image-13936\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/kich-hoat-plugin.png 550w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/kich-hoat-plugin-300x154.png 300w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/figure><\/div>\n\n\n\n<p>Gi\u1edd plugin s\u1ebd xu\u1ea5t hi\u1ec7n trong danh s\u00e1ch c\u00e1c plugin \u0111\u00e3 c\u00e0i \u0111\u1eb7t c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Buoc_5_Them_ma_tuy_chinh_vao_Plugin_vua_tai_len\"><\/span>B\u01b0\u1edbc 5: Th\u00eam m\u00e3 t\u00f9y ch\u1ec9nh v\u00e0o Plugin v\u1eeba t\u1ea3i l\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u00e3 \u0111\u1ebfn l\u00fac b\u1ea1n th\u00eam m\u00e3 c\u1ee7a m\u00ecnh v\u00e0o plugin!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">D\u1ecdn d\u1eb9p m\u00e3<\/h3>\n\n\n\n<p>Gi\u1ea3 s\u1eed b\u1ea1n copy \u0111\u01b0\u1ee3c \u1edf \u0111\u00e2u \u0111\u00f3 m\u1ed9t s\u1ed1 m\u00e3 PHP c\u1ea7n \u0111\u01b0a v\u00e0o trong WordPress. \u0110i\u1ec1u \u0111\u1ea7u ti\u00ean b\u1ea1n n\u00ean l\u00e0m l\u00e0 ki\u1ec3m tra xem n\u00f3 c\u00f3 b\u1eaft \u0111\u1ea7u b\u1eb1ng:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;?php<\/pre>\n\n\n\n<p>Ho\u1eb7c k\u1ebft th\u00fac v\u1edbi:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">?&gt;<\/pre>\n\n\n\n<p>N\u1ebfu c\u00e2u tr\u1ea3 l\u1eddi l\u00e0 &#8220;c\u00f3&#8221; v\u1edbi c\u1ea3 hai,<em> b\u1ea1n c\u1ea7n lo\u1ea1i b\u1ecf ch\u00fang<\/em>. \u0110\u1ea3m b\u1ea3o ch\u1eafc ch\u1eafn \u0111o\u1ea1n m\u00e3 c\u1ea7n th\u00eam v\u00e0o kh\u00f4ng b\u1eaft \u0111\u1ea7u b\u1eb1ng &lt;?php, ho\u1eb7c k\u1ebft th\u00fac b\u1eb1ng ?&gt; l\u00e0 \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ec9nh s\u1eeda plugin v\u00e0 ch\u00e8n m\u00e3<\/h3>\n\n\n\n<p>Ti\u1ebfp theo, b\u1ea1n v\u00e0o WordPress dashboard v\u00e0 \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn &#8220;Plugin &gt; Editor&#8221; nh\u01b0 h\u00ecnh b\u00ean d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1134\" height=\"653\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/chinh-sua-plugin.png\" alt=\"ch\u1ec9nh s\u1eeda plugin\" class=\"wp-image-13937\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/chinh-sua-plugin.png 1134w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/chinh-sua-plugin-300x173.png 300w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/chinh-sua-plugin-1024x590.png 1024w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/chinh-sua-plugin-768x442.png 768w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/chinh-sua-plugin-585x337.png 585w\" sizes=\"(max-width: 1134px) 100vw, 1134px\" \/><\/figure><\/div>\n\n\n\n<p>Trong m\u00e0n h\u00ecnh k\u1ebf ti\u1ebfp, b\u1ea1n ch\u1ecdn plugin t\u00f9y ch\u1ec9nh m\u00e0 ch\u00fang ta up l\u00ean l\u00fac n\u00e3y t\u1eeb menu x\u1ed5 \u1edf ph\u00eda tr\u00ean c\u00f9ng b\u00ean tay ph\u1ea3i nh\u01b0 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u1edf \u0111\u00e2y v\u00e0 nh\u1ea5n &#8220;Select&#8221;:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"340\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/sua-plugin.png\" alt=\"s\u1eeda plugin\" class=\"wp-image-13938\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/sua-plugin.png 550w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/sua-plugin-300x185.png 300w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/figure><\/div>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y cho ph\u00e9p ch\u00fang ta b\u1ed5 sung m\u00e3 v\u00e0o plugin. Paste \u0111o\u1ea1n m\u00e3 (\u0111\u00e3 d\u1ecdn d\u1eb9p) m\u00e0 b\u1ea1n c\u00f3 \u1edf b\u01b0\u1edbc tr\u01b0\u1edbc v\u00e0o text editor nh\u01b0 h\u00ecnh b\u00ean d\u01b0\u1edbi:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"408\" src=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/them-ma-vao-day.png\" alt=\"th\u00eam m\u00e3 v\u00e0o \u0111\u00e2y\" class=\"wp-image-13939\" srcset=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/them-ma-vao-day.png 550w, https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/them-ma-vao-day-300x223.png 300w\" sizes=\"(max-width: 550px) 100vw, 550px\" \/><\/figure><\/div>\n\n\n\n<p>Sau \u0111\u00f3, click v\u00e0o &#8220;Update File&#8221; v\u00e0 b\u1ea1n \u0111\u00e3 th\u00e0nh c\u00f4ng r\u1ed3i \u0111\u00f3! B\u1ea1n \u0111\u00e3 ho\u00e0n th\u00e0nh vi\u1ec7c th\u00eam m\u00e3 t\u00f9y ch\u1ec9nh v\u00e0o WordPress theo c\u00e1ch v\u1eeba m\u1ec1m d\u1ebbo v\u1eeba an to\u00e0n. \u0110o\u1ea1n m\u00e3 v\u1eabn \u0111\u01b0\u1ee3c duy tr\u00ec cho d\u00f9 b\u1ea1n c\u00f3 \u0111\u1ed5i sang giao di\u1ec7n kh\u00e1c, v\u00e0 n\u00f3 kh\u00f4ng l\u00e0m s\u1eadp trang web c\u1ee7a b\u1ea1n n\u1ebfu ch\u1eb3ng may \u0111o\u1ea1n m\u00e3 \u0111\u00f3 c\u00f3 l\u1ed7i!<\/p>\n\n\n\n<p><em>(D\u1ecbch t\u1eeb b\u00e0i vi\u1ebft: Where To Put Custom Code In WordPress (Hint: Use a Plugin), t\u00e1c gi\u1ea3: Bhagwad Park, website: Namehero)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea1n th\u01b0\u1eddng t\u00ecm th\u1ea5y tr\u00ean m\u1ea1ng c\u00e1c \u0111o\u1ea1n m\u00e3 \u0111\u1ec3 ch\u00e8n v\u00e0o website trong khi t\u00ecm ki\u1ebfm c\u00e1ch kh\u1eafc ph\u1ee5c r\u1eafc r\u1ed1i n\u00e0o \u0111\u00f3 li\u00ean quan \u0111\u1ebfn WordPress. H\u1ea7u h\u1ebft nh\u1eefng ng\u01b0\u1eddi l\u1ea7n \u0111\u1ea7u ti\u00ean g\u1eb7p ph\u1ea3i \u0111i\u1ec1u n\u00e0y kh\u00f4ng bi\u1ebft n\u00ean \u0111\u1eb7t m\u00e3 v\u00e0o ch\u1ed7 n\u00e0o. C\u00e2u tr\u1ea3 l\u1eddi th\u01b0\u1eddng g\u1eb7p l\u00e0 &#8220;functions.php&#8221;. Nh\u01b0ng &hellip;<\/p>\n","protected":false},"author":1,"featured_media":13941,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H\u01b0\u1edbng d\u1eabn ch\u00e8n code v\u00e0o WordPress theo c\u00e1ch an to\u00e0n (g\u1ee3i \u00fd: s\u1eed d\u1ee5ng plugin) &#8226; Ki\u1ebfn c\u00e0ng<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kiencang.net\/chen-code-vao-wordpress\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u01b0\u1edbng d\u1eabn ch\u00e8n code v\u00e0o WordPress theo c\u00e1ch an to\u00e0n (g\u1ee3i \u00fd: s\u1eed d\u1ee5ng plugin) &#8226; Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"og:description\" content=\"B\u1ea1n th\u01b0\u1eddng t\u00ecm th\u1ea5y tr\u00ean m\u1ea1ng c\u00e1c \u0111o\u1ea1n m\u00e3 \u0111\u1ec3 ch\u00e8n v\u00e0o website trong khi t\u00ecm ki\u1ebfm c\u00e1ch kh\u1eafc ph\u1ee5c r\u1eafc r\u1ed1i n\u00e0o \u0111\u00f3 li\u00ean quan \u0111\u1ebfn WordPress. H\u1ea7u h\u1ebft nh\u1eefng ng\u01b0\u1eddi l\u1ea7n \u0111\u1ea7u ti\u00ean g\u1eb7p ph\u1ea3i \u0111i\u1ec1u n\u00e0y kh\u00f4ng bi\u1ebft n\u00ean \u0111\u1eb7t m\u00e3 v\u00e0o ch\u1ed7 n\u00e0o. C\u00e2u tr\u1ea3 l\u1eddi th\u01b0\u1eddng g\u1eb7p l\u00e0 &#8220;functions.php&#8221;. Nh\u01b0ng &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kiencang.net\/chen-code-vao-wordpress\/\" \/>\n<meta property=\"og:site_name\" content=\"Ki\u1ebfn c\u00e0ng\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/anhducnguyen87\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-12-12T16:44:59+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-01-20T03:00:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kiencang.net\/wp-content\/uploads\/2019\/12\/chen-code-wordpress.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"359\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Nguy\u1ec5n \u0110\u1ee9c Anh\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 ph\u00fat\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"H\u01b0\u1edbng d\u1eabn ch\u00e8n code v\u00e0o WordPress theo c\u00e1ch an to\u00e0n (g\u1ee3i \u00fd: s\u1eed d\u1ee5ng plugin) &#8226; Ki\u1ebfn c\u00e0ng","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/kiencang.net\/chen-code-vao-wordpress\/","og_locale":"vi_VN","og_type":"article","og_title":"H\u01b0\u1edbng d\u1eabn ch\u00e8n code v\u00e0o WordPress theo c\u00e1ch an to\u00e0n (g\u1ee3i \u00fd: s\u1eed d\u1ee5ng plugin) &#8226; Ki\u1ebfn c\u00e0ng","og_description":"B\u1ea1n th\u01b0\u1eddng t\u00ecm th\u1ea5y tr\u00ean m\u1ea1ng c\u00e1c \u0111o\u1ea1n m\u00e3 \u0111\u1ec3 ch\u00e8n v\u00e0o website trong khi t\u00ecm ki\u1ebfm c\u00e1ch kh\u1eafc ph\u1ee5c r\u1eafc r\u1ed1i n\u00e0o \u0111\u00f3 li\u00ean quan \u0111\u1ebfn WordPress. H\u1ea7u h\u1ebft nh\u1eefng ng\u01b0\u1eddi l\u1ea7n \u0111\u1ea7u ti\u00ean g\u1eb7p ph\u1ea3i \u0111i\u1ec1u n\u00e0y kh\u00f4ng bi\u1ebft n\u00ean \u0111\u1eb7t m\u00e3 v\u00e0o ch\u1ed7 n\u00e0o. C\u00e2u tr\u1ea3 l\u1eddi th\u01b0\u1eddng g\u1eb7p l\u00e0 &#8220;functions.php&#8221;. 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