{"id":12380635,"date":"2026-03-21T07:25:09","date_gmt":"2026-03-20T23:25:09","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/%e5%ae%8c%e5%85%a8%e6%8c%87%e5%8d%97%ef%bc%9a%e5%a6%82%e4%bd%95%e4%bb%8e%e9%9b%b6%e5%bc%80%e5%a7%8b%e5%88%9b%e5%bb%ba%e8%87%aa%e5%ae%9a%e4%b9%89wordpress%e4%b8%bb%e9%a2%98\/"},"modified":"2026-06-04T05:51:08","modified_gmt":"2026-06-03T21:51:08","slug":"complete-guide-create-custom-wordpress-theme-from-scratch","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/complete-guide-create-custom-wordpress-theme-from-scratch\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n: C\u00e1ch t\u1ea1o ch\u1ee7 \u0111\u1ec1 WordPress t\u00f9y ch\u1ec9nh t\u1eeb con s\u1ed1 0"},"content":{"rendered":"<h2 class=\"wp-block-heading\">C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb v\u00e0 thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u vi\u1ebft d\u00f2ng m\u00e3 \u0111\u1ea7u ti\u00ean, b\u1ea1n c\u1ea7n m\u1ed9t m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n ph\u00f9 h\u1ee3p. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m m\u1ed9t m\u00e1y ch\u1ee7 c\u1ee5c b\u1ed9, m\u1ed9t tr\u00ecnh so\u1ea1n th\u1ea3o m\u00e3, v\u00e0 s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 c\u1ea5u tr\u00fac c\u00e1c t\u1ec7p tin c\u1ed1t l\u00f5i c\u1ee7a WordPress. Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean s\u1eed d\u1ee5ng XAMPP, MAMP ho\u1eb7c Local by Flywheel \u0111\u1ec3 nhanh ch\u00f3ng thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng WordPress c\u1ee5c b\u1ed9. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c ph\u00e1t tri\u1ec3n v\u00e0 ki\u1ec3m th\u1eed trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng an to\u00e0n v\u00e0 \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ch\u1ee7 \u0111\u1ec1 WordPress v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c t\u1ec7p n\u1eb1m trong th\u01b0 m\u1ee5c `wp-content\/themes\/`.<code data-no-auto-translation=\"\">\/wp-content\/themes\/<\/code>C\u00e1c th\u01b0 m\u1ee5c n\u1eb1m trong th\u01b0 m\u1ee5c \u0111\u00f3. T\u00ean c\u1ee7a th\u01b0 m\u1ee5c n\u00e0y ch\u00ednh l\u00e0 m\u00e3 \u0111\u1ecbnh danh cho ch\u1ee7 \u0111\u1ec1 c\u1ee7a b\u1ea1n. B\u1ea1n c\u1ea7n t\u1ea1o m\u1ed9t th\u01b0 m\u1ee5c m\u1edbi, v\u00ed d\u1ee5 nh\u01b0\u2026<code data-no-auto-translation=\"\">my-custom-theme<\/code>Trong th\u01b0 m\u1ee5c n\u00e0y, c\u1ea7n c\u00f3 \u00edt nh\u1ea5t hai t\u1ec7p tin c\u1ed1t l\u00f5i:<code data-no-auto-translation=\"\">style.css<\/code>\u548c<code data-no-auto-translation=\"\">index.php<\/code>Ph\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef th\u00f4ng tin v\u1ec1 ki\u1ec3u d\u00e1ng (style) v\u00e0 d\u1eef li\u1ec7u meta (metadata) c\u1ee7a ch\u1ee7 \u0111\u1ec1 (theme), trong khi ph\u1ea7n th\u1ee9 hai l\u00e0 t\u1ec7p m\u1eabu (template) m\u1eb7c \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00e0i li\u1ec7u cung c\u1ea5p th\u00f4ng tin c\u1ed1t l\u00f5i v\u1ec1 ch\u1ee7 \u0111\u1ec1 \u0111\u01b0\u1ee3c hi\u1ec3u.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code data-no-auto-translation=\"\">style.css<\/code>C\u00e1c t\u1ec7p tin kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u1eadp tr\u00ecnh phong c\u00e1ch (CSS), m\u00e0 ph\u1ea7n ch\u00fa th\u00edch \u1edf ph\u00eda tr\u00ean c\u1ee7a ch\u00fang c\u00f2n \u0111\u00f3ng vai tr\u00f2 nh\u01b0 \u201cch\u1ee9ng minh th\u01b0\u201d c\u1ee7a ch\u1ee7 \u0111\u1ec1 (theme) \u0111\u00f3. B\u1ea1n c\u1ea7n ph\u1ea3i khai b\u00e1o c\u00e1c th\u00f4ng tin quan tr\u1ecdng nh\u01b0 t\u00ean ch\u1ee7 \u0111\u1ec1, t\u00e1c gi\u1ea3, m\u00f4 t\u1ea3, phi\u00ean b\u1ea3n, v.v. t\u1ea1i \u0111\u00e2y. Nh\u1eefng th\u00f4ng tin n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean trang \u201cNh\u00ecn\u201d (Appearance) -&gt; \u201cCh\u1ee7 \u0111\u1ec1\u201d (Themes) trong giao di\u1ec7n qu\u1ea3n tr\u1ecb WordPress.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/pt\/knowledge\/wordpress\/wordpress-theme-development-guide-from-scratch-12380235\/\">Th\u1ef1c h\u00e0nh ph\u00e1t tri\u1ec3n ch\u1ee7 \u0111\u1ec1 WordPress: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n x\u00e2y d\u1ef1ng ch\u1ee7 \u0111\u1ec1 t\u00f9y ch\u1ec9nh t\u1eeb kh\u00f4ng \u0111\u1ebfn c\u00f3<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t c\u00e1i c\u01a1 b\u1ea3n<code data-no-auto-translation=\"\">style.css<\/code>V\u00ed d\u1ee5 v\u1ec1 ph\u1ea7n \u0111\u1ea7u t\u1ec7p (file header) nh\u01b0 sau:<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n\r\n<div class=\"flex justify-between items-center flex-col lg:flex-row xl:flex-col 2xl:flex-row gap-6 sm:gap-8 rounded-lg border border-gray-200 dark:border-gray-700 p-4 mb-8 lg:mb-10 sm:p-6 bg-white dark:bg-gray-750 shadow-md transition-colors duration-300\"\r\n     data-link=\"https:\/\/www.likacloud.com\/vi\/tolink\/ultahost-wordpress-hosting\/\">\r\n     \r\n  <div class=\"flex flex-col gap-3 gap-4 sm:gap-6 w-full\">\r\n    <strong class=\"text-2xl font-semibold text-gray-900 dark:text-gray-200\">\r\n      UltaHost \u2013 Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 WordPress chuy\u00ean nghi\u1ec7p    <\/strong>\r\n    <div class=\"text-gray-600 dark:text-gray-300 word-word\">B\u1ea3o \u0111\u1ea3m ho\u00e0n ti\u1ec1n trong 30 ng\u00e0y, b\u0103ng th\u00f4ng v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00f4ng gi\u1edbi h\u1ea1n, b\u1ea3o v\u1ec7 DDoS mi\u1ec5n ph\u00ed, mua 3 n\u0103m \u01b0u \u0111\u00e3i 50%<\/div>\r\n  <\/div>\r\n\r\n  <div class=\"flex items-center flex-col md:flex-row lg:flex-col xl:flex-row 2xl:flex-col gap-6 shrink-0\">\r\n          <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/ultahost-wordpress-hosting\/\">\r\n                  <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251227020448.webp\" alt=\"Logo UltaHost\" class=\"content-promotion-card-icon h-9 min-h-9 dark:hidden\" title=\"\">\r\n          <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251229052118.webp\" alt=\"Logo UltaHost\" class=\"content-promotion-card-icon h-9 min-h-9 hidden dark:block\" title=\"\">\r\n              <\/a>\r\n    \r\n    <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/ultahost-wordpress-hosting\/\"\r\n       class=\"bg-blue-500 w-full md:w-auto lg:w-full xl:w-auto 2xl:w-full text-center !text-white dark:!text-gray-200 !px-5 !py-1.5 rounded-full hover:bg-blue-600 transition-colors\">\r\n       Truy c\u1eadp trang    <\/a>\r\n  <\/div>\r\n<\/div>\n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<pre class=\"wp-block-code\" data-no-auto-translation=\"\"><code class=\"language-css\" data-no-auto-translation=\"\">\/*\nTheme Name: My Custom Theme\nTheme URI: https:\/\/example.com\/my-custom-theme\nAuthor: Your Name\nAuthor URI: https:\/\/example.com\nDescription: \u8fd9\u662f\u4e00\u4e2a\u4e3a\u5b66\u4e60\u76ee\u7684\u800c\u521b\u5efa\u7684\u81ea\u5b9a\u4e49WordPress\u4e3b\u9898\u3002\nVersion: 1.0\nLicense: GNU General Public License v2 or later\nText Domain: my-custom-theme\n*\/<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Trong \u0111\u00f3,<code data-no-auto-translation=\"\">Text Domain<\/code>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho vi\u1ec7c h\u00f3a \u0111a ng\u00f4n ng\u1eef (d\u1ecbch thu\u1eadt sang nhi\u1ec1u ng\u00f4n ng\u1eef); h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u00ean t\u1ec7p n\u00e0y ph\u1ea3i tr\u00f9ng kh\u1edbp v\u1edbi t\u00ean th\u01b0 m\u1ee5c ch\u1ee9a n\u1ed9i dung li\u00ean quan \u0111\u1ebfn ch\u1ee7 \u0111\u1ec1 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">X\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac t\u1ec7p m\u1eabu c\u01a1 b\u1ea3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng c\u1ea5p \u0111\u1ed9 c\u1ee7a c\u00e1c m\u1eabu (template hierarchy) \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh file m\u1eabu n\u00e0o s\u1ebd \u0111\u01b0\u1ee3c t\u1ea3i cho t\u1eebng lo\u1ea1i trang kh\u00e1c nhau. Vi\u1ec7c hi\u1ec3u r\u00f5 v\u00e0 t\u1ea1o ra nh\u1eefng file m\u1eabu n\u00e0y l\u00e0 b\u01b0\u1edbc c\u01a1 b\u1ea3n trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng giao di\u1ec7n (theme) cho trang web.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ea1o c\u00e1c t\u1ec7p m\u1eabu c\u1ea7n thi\u1ebft.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ra<code data-no-auto-translation=\"\">index.php<\/code>B\u1ea1n n\u00ean t\u1eebng b\u01b0\u1edbc t\u1ea1o ra c\u00e1c t\u1ec7p m\u1eabu c\u1ee5 th\u1ec3 h\u01a1n. V\u00ed d\u1ee5,<code data-no-auto-translation=\"\">header.php<\/code>D\u00f9ng \u0111\u1ec3 l\u01b0u tr\u1eef ph\u1ea7n \u0111\u1ea7u c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c trang (HTML head, b\u1ea3ng \u0111i\u1ec1u h\u01b0\u1edbng trang web, v.v.)<code data-no-auto-translation=\"\">footer.php<\/code>D\u00f9ng \u0111\u1ec3 l\u01b0u tr\u1eef ph\u1ea7n ch\u00e2n trang (footer).<code data-no-auto-translation=\"\">sidebar.php<\/code>D\u00f9ng cho thanh b\u00ean c\u1ea1nh. Th\u1ef1c hi\u1ec7n th\u00f4ng qua c\u00e1c h\u00e0m c\u00f3 s\u1eb5n trong WordPress.<code data-no-auto-translation=\"\">get_header()<\/code>\u3001<code data-no-auto-translation=\"\">get_footer()<\/code>\u548c<code data-no-auto-translation=\"\">get_sidebar()<\/code>B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0a c\u00e1c ph\u1ea7n n\u00e0y v\u00e0o c\u00e1c m\u1eabu kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code data-no-auto-translation=\"\">index.php<\/code>\u0110\u00e2y l\u00e0 m\u1eabu d\u1ef1 ph\u00f2ng cu\u1ed1i c\u00f9ng r\u1ed3i. B\u1ea1n n\u00ean t\u1ea1o ra nh\u1eefng m\u1eabu c\u00f3 t\u00ednh ch\u1ea5t c\u1ee5 th\u1ec3 h\u01a1n \u0111\u1ec3 n\u00e2ng cao m\u1ee9c \u0111\u1ed9 ki\u1ec3m so\u00e1t (control), v\u00ed d\u1ee5 nh\u01b0:<br \/>\n- <code data-no-auto-translation=\"\">front-page.php<\/code>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m trang ch\u1ee7 t\u0129nh (kh\u00f4ng thay \u0111\u1ed5i n\u1ed9i dung).<br \/>\n- <code data-no-auto-translation=\"\">home.php<\/code>Hi\u1ec3n th\u1ecb danh m\u1ee5c c\u00e1c b\u00e0i vi\u1ebft tr\u00ean blog.<br \/>\n- <code data-no-auto-translation=\"\">single.php<\/code>Hi\u1ec3n th\u1ecb m\u1ed9t b\u00e0i vi\u1ebft blog ri\u00eang l\u1ebb ho\u1eb7c m\u1ed9t lo\u1ea1i b\u00e0i vi\u1ebft t\u00f9y ch\u1ec9nh.<br \/>\n- <code data-no-auto-translation=\"\">page.php<\/code>Hi\u1ec3n th\u1ecb m\u1ed9t trang duy nh\u1ea5t.<br \/>\n- <code data-no-auto-translation=\"\">archive.php<\/code>Hi\u1ec3n th\u1ecb c\u00e1c trang tin t\u1ee9c \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo th\u1ec3 lo\u1ea1i, th\u1ebb m\u00f4 t\u1ea3, t\u00e1c gi\u1ea3, ng\u00e0y xu\u1ea5t b\u1ea3n, v.v.<br \/>\n- <code data-no-auto-translation=\"\">404.php<\/code>Hi\u1ec3n th\u1ecb trang \u201cKh\u00f4ng t\u00ecm th\u1ea5y\u201d.<br \/>\n- <code data-no-auto-translation=\"\">search.php<\/code>Hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 t\u00ecm ki\u1ebfm.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/pt\/knowledge\/wordpress\/wordpress-theme-development-guide-create-custom-website-theme-from-scratch\/\">H\u01b0\u1edbng d\u1eabn T\u1ed1i th\u01b0\u1ee3ng v\u1ec1 Ph\u00e1t tri\u1ec3n Giao di\u1ec7n WordPress: T\u1ea1o Giao di\u1ec7n T\u00f9y ch\u1ec9nh cho Website WordPress t\u1eeb Con s\u1ed1 0<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h3 class=\"wp-block-heading\">Hi\u1ec3u c\u01a1 ch\u1ebf c\u1ee7a v\u00f2ng l\u1eb7p (understanding the loop mechanism)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00e1i tim c\u1ee7a WordPress ch\u00ednh l\u00e0 \u201cThe Loop\u201d (V\u00f2ng l\u1eb7p). \u0110\u00e2y l\u00e0 m\u1ed9t \u0111o\u1ea1n m\u00e3 PHP d\u00f9ng \u0111\u1ec3 ki\u1ec3m tra xem c\u00f3 b\u00e0i vi\u1ebft n\u00e0o kh\u00f4ng, v\u00e0 n\u1ebfu c\u00f3 \u0111i\u1ec1u ki\u1ec7n th\u00edch h\u1ee3p, n\u00f3 s\u1ebd l\u1eb7p l\u1ea1i \u0111\u1ec3 hi\u1ec3n th\u1ecb n\u1ed9i dung c\u1ee7a m\u1ed7i b\u00e0i vi\u1ebft \u0111\u00f3. C\u1ea5u tr\u00fac v\u00f2ng l\u1eb7p c\u01a1 b\u1ea3n nh\u1ea5t nh\u01b0 sau, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf\u2026<code data-no-auto-translation=\"\">single.php<\/code>\u6216<code data-no-auto-translation=\"\">home.php<\/code>Vi\u1ec7t\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\" data-no-auto-translation=\"\"><code class=\"language-php\" data-no-auto-translation=\"\">&lt;?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?&gt;\n    &lt;h2&gt;&lt;?php the_title(); ?&gt;&lt;\/h2&gt;\n    &lt;div&gt;&lt;?php the_content(); ?&gt;&lt;\/div&gt;\n&lt;?php endwhile; else : ?&gt;\n    &lt;p&gt;&lt;?php esc_html_e( &#039;Sorry, no posts matched your criteria.&#039;, &#039;my-custom-theme&#039; ); ?&gt;&lt;\/p&gt;\n&lt;?php endif; ?&gt;<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Trong \u0111\u00f3,<code data-no-auto-translation=\"\">the_title()<\/code>\u548c<code data-no-auto-translation=\"\">the_content()<\/code>C\u00e1c th\u1ebb m\u1eabu nh\u01b0 `` v\u00e0 `` \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u c\u1ee5 th\u1ec3 c\u1ee7a b\u00e0i vi\u1ebft.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00edch h\u1ee3p c\u00e1c ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a WordPress<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ch\u1ee7 \u0111\u1ec1 \u0111\u1ee7 ti\u00eau chu\u1ea9n ph\u1ea3i t\u00edch h\u1ee3p \u0111\u00fang c\u00e1ch c\u00e1c t\u00ednh n\u0103ng kh\u00e1c nhau c\u1ee7a WordPress, bao g\u1ed3m menu, khu v\u1ef1c c\u00f4ng c\u1ee5 (widgets), h\u00ecnh \u1ea3nh n\u1ed5i b\u1eadt cho b\u00e0i vi\u1ebft, v\u00e0 c\u00e1c t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 ch\u1ee7 \u0111\u1ec1 (theme support features).<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n\r\n<div class=\"flex justify-between items-center flex-col lg:flex-row xl:flex-col 2xl:flex-row gap-6 sm:gap-8 rounded-lg border border-gray-200 dark:border-gray-700 p-4 mb-8 lg:mb-10 sm:p-6 bg-white dark:bg-gray-750 shadow-md transition-colors duration-300\"\r\n     data-link=\"https:\/\/www.likacloud.com\/vi\/tolink\/hosting-shared-hosting\/\">\r\n     \r\n  <div class=\"flex flex-col gap-3 gap-4 sm:gap-6 w-full\">\r\n    <strong class=\"text-2xl font-semibold text-gray-900 dark:text-gray-200\">\r\n      Hosting.com - l\u01b0u tr\u1eef chia s\u1ebb    <\/strong>\r\n    <div class=\"text-gray-600 dark:text-gray-300 word-word\">Hi\u1ec7u n\u0103ng cao, \u0111\u01b0\u1ee3c trang b\u1ecb CPU AMD EPYC, l\u01b0u tr\u1eef SSD NVMe v\u00e0 LiteSpeed, h\u1ed7 tr\u1ee3 chuy\u00ean gia n\u1ed9i b\u1ed9 24 gi\u1edd\/ng\u00e0y, c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt ti\u00ean ti\u1ebfn bao g\u1ed3m SSL, ch\u1ed1ng brute force, ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i v\u00e0 b\u1ea3o v\u1ec7 DDoS, ti\u1ebft ki\u1ec7m t\u1edbi 73%.<\/div>\r\n  <\/div>\r\n\r\n  <div class=\"flex items-center flex-col md:flex-row lg:flex-col xl:flex-row 2xl:flex-col gap-6 shrink-0\">\r\n          <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/hosting-shared-hosting\/\">\r\n                  <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/09\/20250901222940.svg\" alt=\"Logo c\u1ee7a Hosting.com\" class=\"content-promotion-card-icon h-9 min-h-9 dark:hidden\" title=\"\">\r\n          <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251228220957.webp\" alt=\"Logo c\u1ee7a Hosting.com\" class=\"content-promotion-card-icon h-9 min-h-9 hidden dark:block\" title=\"\">\r\n              <\/a>\r\n    \r\n    <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/hosting-shared-hosting\/\"\r\n       class=\"bg-blue-500 w-full md:w-auto lg:w-full xl:w-auto 2xl:w-full text-center !text-white dark:!text-gray-200 !px-5 !py-1.5 rounded-full hover:bg-blue-600 transition-colors\">\r\n       Truy c\u1eadp trang    <\/a>\r\n  <\/div>\r\n<\/div>\n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u0103ng k\u00fd menu \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 khu v\u1ef1c c\u00f4ng c\u1ee5 nh\u1ecf (Register Navigation Menu and Small Tools Area)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng\u2026<code data-no-auto-translation=\"\">register_nav_menus()<\/code>h\u00e0m trong t\u1ec7p<code data-no-auto-translation=\"\">functions.php<\/code>V\u1ecb tr\u00ed \u0111\u0103ng k\u00fd c\u00e1c m\u1ee5c trong t\u1ec7p tin. V\u00ed d\u1ee5, \u0111\u1ec3 \u0111\u0103ng k\u00fd m\u1ed9t menu \u201c\u0110\u1ea7u trang\u201d (Main Navigation):<\/p>\n\n\n\n<pre class=\"wp-block-code\" data-no-auto-translation=\"\"><code class=\"language-php\" data-no-auto-translation=\"\">function my_custom_theme_setup() {\n    register_nav_menus( array(\n        &#039;primary&#039; =&gt; __( &#039;Primary Menu&#039;, &#039;my-custom-theme&#039; ),\n        &#039;footer&#039;  =&gt; __( &#039;Footer Menu&#039;, &#039;my-custom-theme&#039; ),\n    ) );\n}\nadd_action( &#039;after_setup_theme&#039;, &#039;my_custom_theme_setup&#039; );<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Sau \u0111\u00f3, trong<code data-no-auto-translation=\"\">header.php<\/code>trong \u0111\u00f3, s\u1eed d\u1ee5ng<code data-no-auto-translation=\"\">wp_nav_menu()<\/code>H\u00e0m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 g\u1ecdi menu n\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u01b0\u01a1ng t\u1ef1, s\u1eed d\u1ee5ng<code data-no-auto-translation=\"\">register_sidebar()<\/code>C\u00e1c h\u00e0m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c khu v\u1ef1c ch\u1ee9a c\u00f4ng c\u1ee5 nh\u1ecf (nh\u01b0 thanh b\u00ean c\u1ea1nh).<code data-no-auto-translation=\"\">functions.php<\/code>Sau khi \u0111\u0103ng k\u00fd, b\u1ea1n c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd c\u00e1c ti\u1ec7n \u00edch (widgets) b\u1eb1ng c\u00e1ch k\u00e9o ch\u00fang v\u00e0o v\u1ecb tr\u00ed mong mu\u1ed1n trong giao di\u1ec7n \u201cNh\u00ecn\u201d (Appearance) -&gt; \u201cTi\u1ec7n \u00edch\u201d (Widgets) \u1edf ph\u1ea7n qu\u1ea3n tr\u1ecb n\u1ec1n (backend), v\u00e0 sau \u0111\u00f3 s\u1eed d\u1ee5ng ch\u00fang trong c\u00e1c m\u1eabu (templates).<code data-no-auto-translation=\"\">dynamic_sidebar()<\/code>h\u00e0m \u0111\u1ec3 hi\u1ec3n th\u1ecb n\u00f3.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/pt\/knowledge\/wordpress\/wordpress-theme-development-guide-from-beginner-to-expert-12379319\/\">H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n ph\u00e1t tri\u1ec3n ch\u1ee7 \u0111\u1ec1 WordPress: T\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao \u0111\u1ec3 x\u00e2y d\u1ef1ng giao di\u1ec7n t\u00f9y ch\u1ec9nh<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h3 class=\"wp-block-heading\">Th\u00eam t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 th\u00eam ch\u1ee7 \u0111\u1ec1 (Add theme support feature)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u00f4ng qua<code data-no-auto-translation=\"\">add_theme_support()<\/code>B\u1ea1n c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t m\u1ed9t lo\u1ea1t t\u00ednh n\u0103ng c\u1ed1t l\u00f5i cho ch\u1ee7 \u0111\u1ec1 c\u1ee7a m\u00ecnh. C\u00e1c t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t bao g\u1ed3m:<br \/>\n- <code data-no-auto-translation=\"\">post-thumbnails<\/code>K\u00edch ho\u1ea1t t\u00ednh n\u0103ng hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh \u0111\u1eb7c bi\u1ec7t cho b\u00e0i vi\u1ebft.<br \/>\n- <code data-no-auto-translation=\"\">title-tag<\/code>H\u00e3y \u0111\u1ec3 WordPress t\u1ef1 \u0111\u1ed9ng qu\u1ea3n l\u00fd ti\u00eau \u0111\u1ec1 c\u1ee7a c\u00e1c t\u00e0i li\u1ec7u.<code data-no-auto-translation=\"\">&lt;title&gt;<\/code>\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t trong thi\u1ebft k\u1ebf c\u00e1c ch\u1ee7 \u0111\u1ec1 (templates) hi\u1ec7n \u0111\u1ea1i.<br \/>\n- <code data-no-auto-translation=\"\">html5<\/code>K\u00edch ho\u1ea1t h\u1ed7 tr\u1ee3 HTML5 cho c\u00e1c th\u1ebb c\u1ed1t l\u00f5i li\u00ean quan \u0111\u1ebfn ch\u1ee7 \u0111\u1ec1 (ch\u1eb3ng h\u1ea1n nh\u01b0 bi\u1ec3u m\u1eabu b\u00ecnh lu\u1eadn, bi\u1ec3u m\u1eabu t\u00ecm ki\u1ebfm, v.v.).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110o\u1ea1n m\u00e3 \u0111\u1ec3 k\u00edch ho\u1ea1t c\u00e1c t\u00ednh n\u0103ng n\u00e0y c\u0169ng n\u00ean \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf c\u00f9ng n\u01a1i.<code data-no-auto-translation=\"\">functions.php<\/code>ph\u1ea7n<code data-no-auto-translation=\"\">after_setup_theme<\/code>\u0110ang trong tr\u1ea1ng th\u00e1i \u201cHooked\u201d (\u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t ho\u1eb7c li\u00ean k\u1ebft).<\/p>\n<!-- AUTO_SYNCED_PATTERN_INSERT_START -->\n\r\n<div class=\"flex justify-between items-center flex-col lg:flex-row xl:flex-col 2xl:flex-row gap-6 sm:gap-8 rounded-lg border border-gray-200 dark:border-gray-700 p-4 mb-8 lg:mb-10 sm:p-6 bg-white dark:bg-gray-750 shadow-md transition-colors duration-300\"\r\n     data-link=\"https:\/\/www.likacloud.com\/vi\/tolink\/interserver-webhosting\/\">\r\n     \r\n  <div class=\"flex flex-col gap-3 gap-4 sm:gap-6 w-full\">\r\n    <strong class=\"text-2xl font-semibold text-gray-900 dark:text-gray-200\">\r\n      M\u00e1y ch\u1ee7 chia s\u1ebb c\u1ee7a InterServer    <\/strong>\r\n    <div class=\"text-gray-600 dark:text-gray-300 word-word\">L\u01b0u tr\u1eef chia s\u1ebb v\u1edbi m\u1ee9c ph\u00ed $2,50 USD m\u1ed7i th\u00e1ng, gi\u1ea3m gi\u00e1 $0,1 USD trong th\u00e1ng \u0111\u1ea7u ti\u00ean, m\u00e3 gi\u1ea3m gi\u00e1 tryinterserver, v\u1edbi 461 \u1ee9ng d\u1ee5ng \u0111\u00e1m m\u00e2y v\u00e0 c\u00e0i \u0111\u1eb7t ch\u1ec9 b\u1eb1ng m\u1ed9t c\u00fa nh\u1ea5p chu\u1ed9t.<\/div>\r\n  <\/div>\r\n\r\n  <div class=\"flex items-center flex-col md:flex-row lg:flex-col xl:flex-row 2xl:flex-col gap-6 shrink-0\">\r\n          <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/interserver-webhosting\/\">\r\n                  <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251228045033.svg\" alt=\"Logo c\u1ee7a InterServer\" class=\"content-promotion-card-icon h-9 min-h-9 dark:hidden\" title=\"\">\r\n          <img decoding=\"async\" src=\"https:\/\/www.likacloud.com\/wp-content\/uploads\/2025\/12\/20251229054830.webp\" alt=\"Logo c\u1ee7a InterServer\" class=\"content-promotion-card-icon h-9 min-h-9 hidden dark:block\" title=\"\">\r\n              <\/a>\r\n    \r\n    <a href=\"https:\/\/www.likacloud.com\/vi\/tolink\/interserver-webhosting\/\"\r\n       class=\"bg-blue-500 w-full md:w-auto lg:w-full xl:w-auto 2xl:w-full text-center !text-white dark:!text-gray-200 !px-5 !py-1.5 rounded-full hover:bg-blue-600 transition-colors\">\r\n       Truy c\u1eadp trang    <\/a>\r\n  <\/div>\r\n<\/div>\n<!-- AUTO_SYNCED_PATTERN_INSERT_END -->\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Styling, Scripting, and Performance Optimization<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c thi\u1ebft k\u1ebf theo phong c\u00e1ch hi\u1ec7n \u0111\u1ea1i \u0111\u00f2i h\u1ecfi ph\u1ea3i x\u1eed l\u00fd vi\u1ec7c t\u1ea3i c\u00e1c t\u1eadp tin CSS v\u00e0 JavaScript m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, \u0111\u1ed3ng th\u1eddi c\u1ea7n quan t\u00e2m \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh th\u00edch \u1ee9ng (responsive design) c\u1ee7a trang web.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1ch th\u00eam CSS v\u00e0 JavaScript m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1eebng bao gi\u1edd \u0111\u1eb7t c\u00e1c li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp (hard links) \u0111\u1ebfn c\u00e1c t\u1ec7p CSS v\u00e0 JS trong t\u1ec7p m\u1eabu (template file). Thay v\u00e0o \u0111\u00f3, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c \u0111\u1ec3 \u0111\u01b0a ch\u00fang v\u00e0o t\u1ec7p m\u1eabu m\u1ed9t c\u00e1ch c\u00f3 t\u1ed5 ch\u1ee9c v\u00e0 linh ho\u1ea1t.<code data-no-auto-translation=\"\">wp_enqueue_style()<\/code>\u548c<code data-no-auto-translation=\"\">wp_enqueue_script()<\/code>H\u00e0m, th\u00f4ng qua<code data-no-auto-translation=\"\">wp_enqueue_scripts<\/code>C\u00e1c c\u00f4ng c\u1ee5 \u201chook\u201d \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u00eam ch\u00fang v\u00e0o h\u00e0ng \u0111\u1ee3i (queue). \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd \u0111\u00fang c\u00e1ch theo th\u1ee9 t\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0 th\u1ee9 t\u1ef1 t\u1ea3i, t\u1eeb \u0111\u00f3 tr\u00e1nh \u0111\u01b0\u1ee3c xung \u0111\u1ed9t gi\u1eefa ch\u00fang.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728<code data-no-auto-translation=\"\">functions.php<\/code>V\u00ed d\u1ee5 trong \u0111\u00f3:<\/p>\n\n\n\n<pre class=\"wp-block-code\" data-no-auto-translation=\"\"><code class=\"language-php\" data-no-auto-translation=\"\">function my_custom_theme_scripts() {\n    \/\/ \u52a0\u8f7d\u4e3b\u6837\u5f0f\u8868\n    wp_enqueue_style( &#039;main-style&#039;, get_stylesheet_uri() );\n\n\/\/ \u52a0\u8f7d\u81ea\u5b9a\u4e49JavaScript\u6587\u4ef6\n    wp_enqueue_script( &#039;custom-js&#039;, get_template_directory_uri() . &#039;\/js\/script.js&#039;, array(&#039;jquery&#039;), null, true );\n}\nadd_action( &#039;wp_enqueue_scripts&#039;, &#039;my_custom_theme_scripts&#039; );<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">L\u01b0u \u00fd,<code data-no-auto-translation=\"\">get_stylesheet_uri()<\/code>\u0110i\u1ec1u \u0111\u01b0\u1ee3c tr\u1ea3 v\u1ec1 l\u00e0 n\u1ed9i dung li\u00ean quan \u0111\u1ebfn ch\u1ee7 \u0111\u1ec1 (theme).<code data-no-auto-translation=\"\">style.css<\/code>\u0110\u1ed1i v\u1edbi c\u00e1c t\u1ec7p JS, ch\u00fang ta s\u1ebd\u2026<code data-no-auto-translation=\"\">true<\/code>L\u00e0m tham s\u1ed1 cu\u1ed1i c\u00f9ng, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u1ed9i dung s\u1ebd \u0111\u01b0\u1ee3c t\u1ea3i v\u00e0o ph\u1ea7n ch\u00e2n trang (footer), gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ea3i trang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1ef1c hi\u1ec7n t\u00ednh n\u0103ng th\u00edch \u1ee9ng v\u1edbi c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau (responsive design) v\u00e0 thi\u1ebft l\u1eadp c\u00e1c ki\u1ec3u d\u00e1ng c\u01a1 b\u1ea3n (basic styling) cho trang web.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ee7a b\u1ea1n<code data-no-auto-translation=\"\">style.css<\/code>N\u00ean bao g\u1ed3m nh\u1eefng y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n c\u1ee7a thi\u1ebft k\u1ebf th\u00edch \u1ee9ng (responsive design). \u00c1p d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c \u201cMobile First\u201d (\u01b0u ti\u00ean thi\u1ebft k\u1ebf cho m\u00e0n h\u00ecnh di \u0111\u1ed9ng), t\u1ee9c l\u00e0 vi\u1ebft m\u00e3 \u0111\u1ecbnh d\u1ea1ng tr\u01b0\u1edbc cho c\u00e1c m\u00e0n h\u00ecnh nh\u1ecf, sau \u0111\u00f3 s\u1eed d\u1ee5ng c\u00e1c c\u00e2u l\u1ec7nh truy v\u1ea5n ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng (Media Queries) \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh giao di\u1ec7n d\u1ea7n d\u1ea7n cho c\u00e1c m\u00e0n h\u00ecnh l\u1edbn h\u01a1n. \u0110\u1ed3ng th\u1eddi, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c y\u1ebfu t\u1ed1 truy\u1ec1n th\u00f4ng nh\u01b0 h\u00ecnh \u1ea3nh c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi lo\u1ea1i m\u00e0n h\u00ecnh.<code data-no-auto-translation=\"\">max-width: 100%;<\/code>Thu\u1ed9c t\u00ednh n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ng\u0103n n\u1ed9i dung b\u00ean trong tr\u00e0n ra kh\u1ecfi ph\u1ea1m vi container (khung ch\u1ee9a n\u1ed9i dung \u0111\u00f3).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u00f3m l\u1ea1i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c t\u1ea1o m\u1ed9t ch\u1ee7 \u0111\u1ec1 WordPress t\u00f9y ch\u1ec9nh t\u1eeb \u0111\u1ea7u l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp \u0111a d\u1ea1ng v\u00e0 ph\u1ee9c t\u1ea1p, \u0111\u00f2i h\u1ecfi b\u1ea1n ph\u1ea3i hi\u1ec3u r\u00f5 c\u1ea3 PHP, HTML, CSS, JavaScript c\u0169ng nh\u01b0 API c\u1ed1t l\u00f5i c\u1ee7a WordPress. Ch\u00fang ta s\u1ebd b\u1eaft \u0111\u1ea7u v\u1edbi vi\u1ec7c chu\u1ea9n b\u1ecb m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00e1c t\u1ec7p tin c\u01a1 b\u1ea3n c\u1ee7a WordPress.<code data-no-auto-translation=\"\">style.css<\/code>Ch\u00fang ta b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch x\u00e2y d\u1ef1ng d\u1ea7n d\u1ea7n c\u1ea5u tr\u00fac c\u00e1c t\u1ea7ng l\u1edbp c\u1ee7a m\u1eabu (template hierarchy) v\u00e0 hi\u1ec3u r\u00f5 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c v\u00f2ng l\u1eb7p (loops). Sau \u0111\u00f3, ch\u00fang ta t\u00edch h\u1ee3p c\u00e1c t\u00ednh n\u0103ng c\u1ed1t l\u00f5i nh\u01b0 menu \u0111i\u1ec1u h\u01b0\u1edbng, c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 (tools), h\u00ecnh \u1ea3nh \u0111\u1eb7c s\u1eafc, v.v., \u0111\u1ed3ng th\u1eddi h\u1ecdc c\u00e1ch th\u00eam c\u00e1c t\u1ec7p bi\u1ec3u \u0111\u1ecbnh ki\u1ec3u (style sheets) v\u00e0 t\u1ec7p m\u00e3 ngu\u1ed3n (script files) m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3. B\u1eb1ng c\u00e1ch tu\u00e2n theo nh\u1eefng b\u01b0\u1edbc n\u00e0y c\u00f9ng c\u00e1c th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t, ch\u00fang ta kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 t\u1ea1o ra nh\u1eefng ch\u1ee7 \u0111\u1ec1 (themes) c\u00f3 ch\u1ee9c n\u0103ng \u0111\u1ea7y \u0111\u1ee7 m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng m\u00e3 ngu\u1ed3n, kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang. H\u00e3y nh\u1edb r\u1eb1ng, vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c ch\u1ee7 \u0111\u1ec1 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn; vi\u1ec7c th\u01b0\u1eddng xuy\u00ean ki\u1ec3m th\u1eed v\u00e0 thu th\u1eadp ph\u1ea3n h\u1ed3i trong m<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Ph\u00e1t tri\u1ec3n theme WordPress c\u00f3 b\u1eaft bu\u1ed9c ph\u1ea3i th\u00e0nh th\u1ea1o PHP kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u1ea7n c\u00f3 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng PHP, v\u00ec WordPress \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng PHP, v\u00e0 c\u00e1c t\u1ec7p m\u1eabu ch\u1ee7 \u0111\u1ec1 (theme templates) ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb m\u00e3 PHP. B\u1ea1n c\u1ea7n hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m nh\u01b0 bi\u1ebfn (variables), h\u00e0m (functions), v\u00f2ng l\u1eb7p (loops), v\u00e0 c\u00e2u l\u1ec7nh \u0111i\u1ec1u ki\u1ec7n (conditional statements), \u0111\u1ed3ng th\u1eddi bi\u1ebft c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c th\u1ebb v\u00e0 h\u00e0m c\u1ee7a WordPress. Vi\u1ec7c ph\u00e1t tri\u1ec3n ch\u1ee7 \u0111\u1ec1 \u1edf m\u1ee9c \u0111\u1ed9 s\u00e2u h\u01a1n s\u1ebd y\u00eau c\u1ea7u ki\u1ebfn th\u1ee9c v\u1ec1 l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng (object-oriented programming) trong PHP.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda c\u00e1c ch\u1ee7 \u0111\u1ec1 hi\u1ec7n c\u00f3 \u0111\u1ec3 t\u1ea1o ra nh\u1eefng ch\u1ee7 \u0111\u1ec1 m\u1edbi kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1ee3c ch\u1ee9, \u0111\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc t\u1eadp v\u00e0 b\u1eaft \u0111\u1ea7u ph\u1ed5 bi\u1ebfn, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi s\u1eed d\u1ee5ng ch\u1ee7 \u0111\u1ec1 ch\u00ednh th\u1ee9c c\u1ee7a \u201cUnderscores\u201d l\u00e0m \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n mu\u1ed1n ph\u00e1t h\u00e0nh ch\u1ee7 \u0111\u1ec1 \u0111\u00f3 cho c\u00f4ng ch\u00fang, b\u1ea1n c\u1ea7n \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00ecnh c\u00f3 quy\u1ec1n s\u1eeda \u0111\u1ed5i v\u00e0 ph\u00e2n ph\u1ed1i n\u00f3, \u0111\u1ed3ng th\u1eddi tu\u00e2n th\u1ee7 gi\u1ea5y ph\u00e9p s\u1eed d\u1ee5ng (th\u01b0\u1eddng l\u00e0 GPL). M\u1ed9t c\u00e1ch t\u1ed1t h\u01a1n l\u00e0 hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u1ee7 \u0111\u1ec1 \u0111\u00f3, sau \u0111\u00f3 x\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac v\u00e0 giao di\u1ec7n c\u1ee7a ri\u00eang m\u00ecnh t\u1eeb \u0111\u1ea7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa t\u1ec7p functions.php c\u1ee7a ch\u1ee7 \u0111\u1ec1 (theme) v\u00e0 plugin l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code data-no-auto-translation=\"\">functions.php<\/code>C\u00e1c t\u1ec7p tin (files) l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi c\u1ee7a giao di\u1ec7n thi\u1ebft k\u1ebf (theme), v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang c\u00f3 m\u1ed1i li\u00ean h\u1ec7 m\u1eadt thi\u1ebft v\u1edbi v\u1ebb ngo\u00e0i c\u0169ng nh\u01b0 c\u00e1ch tr\u00ecnh b\u00e0y c\u1ee7a giao di\u1ec7n \u0111\u00f3. C\u00e1c plugin (plugins) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ed5 sung nh\u1eefng t\u00ednh n\u0103ng c\u1ee5 th\u1ec3 cho trang web, nh\u1eefng t\u00ednh n\u0103ng n\u00e0y kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o giao di\u1ec7n thi\u1ebft k\u1ebf n\u00e0o c\u1ee5 th\u1ec3. M\u1ed9t quy t\u1eafc \u0111\u01a1n gi\u1ea3n l\u00e0: N\u1ebfu m\u1ed9t t\u00ednh n\u0103ng nh\u1eb1m thay \u0111\u1ed5i v\u1ebb ngo\u00e0i ho\u1eb7c c\u1ea5u tr\u00fac c\u1ee7a trang web, th\u00ec n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t b\u00ean trong giao di\u1ec7n thi\u1ebft k\u1ebf; ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu m\u1ed9t t\u00ednh n\u0103ng nh\u1eb1m m\u1ee5c \u0111\u00edch b\u1ed5 sung (ch\u1eb3ng h\u1ea1n nh\u01b0 bi\u1ec3u m\u1eabu li\u00ean h\u1ec7, t\u1ed1i \u01b0u h\u00f3a SEO), th\u00ec n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh m\u1ed9t plugin. Nh\u1edd \u0111\u00f3, ng<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ee7 \u0111\u1ec1 c\u1ee7a t\u00f4i h\u1ed7 tr\u1ee3 d\u1ecbch \u0111a ng\u00f4n ng\u1eef?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb t\u1ed1t cho vi\u1ec7c h\u1ed7 tr\u1ee3 ng\u00f4n ng\u1eef qu\u1ed1c t\u1ebf (Internationalization \u2013 i18n). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 t\u1ea5t c\u1ea3 c\u00e1c chu\u1ed7i v\u0103n b\u1ea3n d\u00e0nh cho ng\u01b0\u1eddi d\u00f9ng trong ch\u1ee7 \u0111\u1ec1 (theme) \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c bao b\u1ecdc b\u1eb1ng c\u00e1c h\u00e0m d\u1ecbch c\u1ee7a WordPress. V\u00ed d\u1ee5:<code data-no-auto-translation=\"\">esc_html_e(\u2018Read More\u2019\uff0c \u2018my-custom-theme\u2019);<\/code>B\u1ea1n \u0111\u00e3 l\u00e0m xong r\u1ed3i.<code data-no-auto-translation=\"\">style.css<\/code>\u0110\u00e3 \u0111\u01b0\u1ee3c tuy\u00ean b\u1ed1 trong\u2026<code data-no-auto-translation=\"\">Text Domain<\/code>V\u0103n b\u1ea3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2y ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u \u0111\u00e3 \u0111\u1ecbnh. Sau \u0111\u00f3, ng\u01b0\u1eddi d\u1ecbch c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c t\u1ec7p `.po` v\u00e0 `.mo` \u0111\u1ec3 d\u1ecbch nh\u1eefng chu\u1ed7i v\u0103n b\u1ea3n n\u00e0y.<\/p>","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft n\u00e0y gi\u1edbi thi\u1ec7u quy tr\u00ecnh ho\u00e0n ch\u1ec9nh \u0111\u1ec3 t\u1ea1o m\u1ed9t ch\u1ee7 \u0111\u1ec1 WordPress t\u00f9y ch\u1ec9nh t\u1eeb \u0111\u1ea7u. Tr\u01b0\u1edbc ti\u00ean, h\u01b0\u1edbng d\u1eabn thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n c\u1ee5c b\u1ed9 v\u00e0 t\u1ea1o th\u01b0 m\u1ee5c c\u01a1 s\u1edf c\u00f9ng c\u00e1c t\u1ec7p l\u00f5i c\u1ee7a ch\u1ee7 \u0111\u1ec1 (style.css, index.php). Ti\u1ebfp theo, tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1ch khai b\u00e1o th\u00f4ng tin ch\u1ee7 \u0111\u1ec1, x\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac t\u1ec7p m\u1eabu (nh\u01b0 header.php, single.php) c\u0169ng nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf v\u00f2ng l\u1eb7p l\u00f5i c\u1ee7a WordPress, cung c\u1ea5p m\u1ed9t l\u1ed9 tr\u00ecnh nh\u1eadp m\u00f4n r\u00f5 r\u00e0ng cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[638,436,1905,430,805],"knowledge_category":[280],"class_list":["post-12380635","knowledge_post","type-knowledge_post","status-publish","hentry","tag-wordpress-theme-development","tag-wordpress-tutorial","tag-theme-templates","tag-frontend-development","tag-custom-themes","knowledge_category-wordpress"],"acf":{"site_seo_keywords":"WordPress\u4e3b\u9898\u5f00\u53d1,\u81ea\u5b9a\u4e49\u4e3b\u9898\u6559\u7a0b,WordPress\u4e3b\u9898\u5236\u4f5c,\u6a21\u677f\u6587\u4ef6,\u5faa\u73af\u673a\u5236,functions.php,\u672c\u5730\u5f00\u53d1\u73af\u5883,\u4ece\u96f6\u5f00\u59cb\u5efa\u4e3b\u9898"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12380635","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts"}],"about":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/types\/knowledge_post"}],"author":[{"embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"version-history":[{"count":1,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12380635\/revisions"}],"predecessor-version":[{"id":12405345,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12380635\/revisions\/12405345"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12380635"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12380635"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12380635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}