{"id":12390738,"date":"2026-04-13T21:18:03","date_gmt":"2026-04-13T13:18:03","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/wordpress%e4%b8%bb%e9%a2%98%e5%bc%80%e5%8f%91%ef%bc%9a%e4%bb%8e%e5%85%a5%e9%97%a8%e5%88%b0%e7%b2%be%e9%80%9a%e7%9a%84%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97%e4%b8%8e%e5%ae%9e%e8%b7%b5%e6%8a%80%e5%b7%a7\/"},"modified":"2026-06-03T18:34:23","modified_gmt":"2026-06-03T10:34:23","slug":"wordpress-theme-development-complete-guide-practice-tips","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-theme-development-complete-guide-practice-tips\/","title":{"rendered":"Ph\u00e1t tri\u1ec3n ch\u1ee7 \u0111\u1ec1 WordPress: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt th\u1ef1c h\u00e0nh"},"content":{"rendered":"<h2 class=\"wp-block-heading\">C\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 ph\u00e1t tri\u1ec3n ch\u1ee7 \u0111\u1ec1 WordPress v\u00e0 thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u x\u00e2y d\u1ef1ng m\u1ed9t theme cho WordPress, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i c\u1ee7a n\u00f3 l\u00e0 \u0111i\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng. M\u1ed9t theme WordPress v\u1ec1 b\u1ea3n ch\u1ea5t l\u00e0 t\u1eadp h\u1ee3p c\u00e1c t\u1ec7p m\u1eabu (templates), b\u1ea3ng \u0111\u1ecbnh d\u1ea1ng (style sheets), script v\u00e0 h\u00ecnh \u1ea3nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t giao di\u1ec7n v\u00e0 phong c\u00e1ch trang web. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t plugin (ti\u1ec7n \u00edch m\u1edf r\u1ed9ng) v\u00e0 kh\u00f4ng th\u00eam ch\u1ee9c n\u0103ng tr\u1ef1c ti\u1ebfp v\u00e0o trang web; thay v\u00e0o \u0111\u00f3, n\u00f3 quy \u0111\u1ecbnh c\u00e1ch n\u1ed9i dung \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb. M\u1ed9t theme \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u01a1 b\u1ea3n ph\u1ea3i bao g\u1ed3m \u00edt nh\u1ea5t hai t\u1ec7p:<code data-no-auto-translation=\"\">index.php<\/code> \u548c <code data-no-auto-translation=\"\">style.css<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c t\u1ec7p tin c\u1ed1t l\u00f5i (core files)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ch\u1ee7 \u0111\u1ec1 c\u00f3 c\u1ea5u tr\u00fac th\u01b0\u1eddng bao g\u1ed3m c\u00e1c t\u1ec7p tin ch\u00ednh sau:<code data-no-auto-translation=\"\">header.php<\/code>(Ng\u01b0\u1eddi \u0111\u00f3 g\u1eadt \u0111\u1ea7u)<code data-no-auto-translation=\"\">footer.php<\/code>(Ph\u00eda d\u01b0\u1edbi trang web),<code data-no-auto-translation=\"\">sidebar.php<\/code>(Nh\u00e3n: B\u00ean c\u1ea1nh)<code data-no-auto-translation=\"\">functions.php<\/code>(T\u00e0i li\u1ec7u v\u1ec1 c\u00e1c t\u00ednh n\u0103ng ch\u1ee7 \u0111\u1ec1) c\u00f9ng v\u1edbi c\u00e1c t\u1ec7p m\u1eabu d\u00f9ng cho c\u00e1c lo\u1ea1i n\u1ed9i dung kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0\u2026 <code data-no-auto-translation=\"\">single.php<\/code>(M\u1ed9t b\u00e0i vi\u1ebft) V\u00e0 <code data-no-auto-translation=\"\">page.php<\/code>(Trang \u0111\u1ed9c l\u1eadp). Vi\u1ec7c tu\u00e2n theo ki\u1ebfn tr\u00fac n\u00e0y s\u1ebd \u0111\u1ea3m b\u1ea3o t\u00ednh d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 t\u00ednh r\u00f5 r\u00e0ng c\u1ee7a m\u00e3 ngu\u1ed3n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n c\u1ee5c b\u1ed9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 b\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t m\u00f4i tr\u01b0\u1eddng c\u1ee5c b\u1ed9 \u0111\u00e1ng tin c\u1eady. Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Local by Flywheel, XAMPP ho\u1eb7c MAMP \u0111\u1ec3 thi\u1ebft l\u1eadp m\u00e1y ch\u1ee7 c\u1ee5c b\u1ed9. Sau khi c\u00e0i \u0111\u1eb7t xong WordPress, b\u1ea1n c\u1ea7n\u2026<code data-no-auto-translation=\"\">wp-content\/themes<\/code>H\u00e3y t\u1ea1o th\u01b0 m\u1ee5c ch\u1ee9a c\u00e1c ch\u1ee7 \u0111\u1ec1 (theme) trong th\u01b0 m\u1ee5c g\u1ed1c. Sau \u0111\u00f3, t\u1ea1o v\u00e0 ch\u1ec9nh s\u1eeda t\u1ec7p header ch\u1ee9a th\u00f4ng tin v\u1ec1 ch\u1ee7 \u0111\u1ec1 c\u1ee7a b\u1ea1n. <code data-no-auto-translation=\"\">style.css<\/code>\u0110\u00e2y l\u00e0 m\u00e3 \u0111\u1ecbnh danh c\u1ee7a ch\u1ee7 \u0111\u1ec1 (identity identifier of the topic). M\u1ed9t v\u00ed d\u1ee5 c\u01a1 b\u1ea3n nh\u01b0 sau:<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/vi\/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<pre class=\"wp-block-code\" data-no-auto-translation=\"\"><code class=\"language-css\" data-no-auto-translation=\"\">\/*\nTheme Name: My First Theme\nTheme URI: https:\/\/example.com\/my-theme\nAuthor: Your Name\nAuthor URI: https:\/\/example.com\nDescription: \u8fd9\u662f\u4e00\u4e2a\u63cf\u8ff0\u6211\u7684\u7b2c\u4e00\u4e2aWordPress\u4e3b\u9898\u7684\u6bb5\u843d\u3002\nVersion: 1.0\nLicense: GPL v2 or later\nText Domain: my-first-theme\n*\/<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Sau \u0111\u00f3, h\u00e3y k\u00edch ho\u1ea1t ch\u1ee7 \u0111\u1ec1 n\u00e0y \u0111\u1ec3 b\u1eaft \u0111\u1ea7u c\u00f4ng vi\u1ec7c ph\u00e1t tri\u1ec3n c\u1ee7a b\u1ea1n.<\/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<h2 class=\"wp-block-heading\">T\u1ea1o ra ch\u1ee7 \u0111\u1ec1 \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n: T\u1ec7p m\u1eabu c\u1ed1t l\u00f5i<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u1ecdng t\u00e2m c\u1ee7a vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ed9t ch\u1ee7 \u0111\u1ec1 (theme) n\u1eb1m \u1edf vi\u1ec7c hi\u1ec3u v\u00e0 s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac ph\u00e2n c\u1ea5p c\u00e1c m\u1eabu (Template Hierarchy) \u2013 \u0111\u00f3 l\u00e0 t\u1eadp h\u1ee3p c\u00e1c quy t\u1eafc m\u00e0 WordPress s\u1eed d\u1ee5ng \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh n\u00ean t\u1ea3i t\u1ec7p m\u1eabu n\u00e0o cho m\u1ed9t trang c\u1ee5 th\u1ec3. Khi b\u1ea1n n\u1eafm v\u1eefng \u0111i\u1ec1u n\u00e0y, b\u1ea1n s\u1ebd bi\u1ebft ph\u1ea3i vi\u1ebft m\u00e3 \u1edf \u0111\u00e2u \u0111\u1ec3 ki\u1ec3m so\u00e1t c\u00e1ch c\u00e1c trang \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">X\u00e2y d\u1ef1ng trang ch\u1ee7 v\u00e0 trang chi ti\u1ebft b\u00e0i vi\u1ebft<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ec7p tin c\u01a1 b\u1ea3n nh\u1ea5t l\u00e0\u2026<code data-no-auto-translation=\"\">index.php<\/code>\u0110\u00f3 l\u00e0 m\u1eabu d\u00f9ng \u0111\u1ec3 quay tr\u1edf l\u1ea1i trang ch\u1ee7 (trang \u0111\u1ea7u) c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c trang web. Th\u00f4ng th\u01b0\u1eddng, b\u1ea1n n\u00ean \u01b0u ti\u00ean t\u1ea1o c\u00e1c m\u1eabu c\u1ee5 th\u1ec3 h\u01a1n, ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3. V\u00ed d\u1ee5:<code data-no-auto-translation=\"\">home.php<\/code>C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n trang ch\u1ee7 c\u1ee7a b\u00e0i vi\u1ebft tr\u00ean blog.<code data-no-auto-translation=\"\">single.php<\/code>D\u00f9ng \u0111\u1ec3 hi\u1ec3n th\u1ecb m\u1ed9t b\u00e0i vi\u1ebft \u0111\u01a1n l\u1ebb. M\u1ed9t thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n.<code data-no-auto-translation=\"\">single.php<\/code>C\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u nh\u01b0 th\u1ebf n\u00e0y:<\/p>\n\n\n\n<pre class=\"wp-block-code\" data-no-auto-translation=\"\"><code class=\"language-php\" data-no-auto-translation=\"\">&lt;?php get_header(); ?&gt;\n\n&lt;article&gt;\n    &lt;h1&gt;&lt;?php the_title(); ?&gt;&lt;\/h1&gt;\n    &lt;div class=&quot;entry-content&quot;&gt;\n        &lt;?php the_content(); ?&gt;\n    &lt;\/div&gt;\n&lt;\/article&gt;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1ef1c hi\u1ec7n vi\u1ec7c t\u1ea1o ra m\u1eabu trang (page template) v\u00e0 thanh b\u00ean c\u1ea1nh (sidebar)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trang \u0111\u1ed9c l\u1eadp \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u00e0 s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng.<code data-no-auto-translation=\"\">page.php<\/code>B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t c\u00e1c thi\u1ebft l\u1eadp n\u00e0y. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c m\u1eabu trang t\u00f9y ch\u1ec9nh b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c ghi ch\u00fa \u0111\u1eb7c bi\u1ec7t v\u00e0o ph\u1ea7n \u0111\u1ea7u c\u1ee7a t\u1ec7p tin; nh\u1eefng m\u1eabu n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb trong tr\u00ecnh bi\u00ean t\u1eadp trang n\u1ec1n. N\u1ed9i dung c\u1ee7a thanh b\u00ean c\u1ea1nh \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong c\u00e1c t\u1ec7p tin li\u00ean quan.<code data-no-auto-translation=\"\">sidebar.php<\/code>Trong \u0111\u00f3, h\u00e3y s\u1eed d\u1ee5ng\u2026<code data-no-auto-translation=\"\">get_sidebar()<\/code>G\u1ecdi h\u00e0m. \u0110\u1ec3 \u0111\u0103ng k\u00fd v\u00f9ng widget thanh b\u00ean, b\u1ea1n c\u1ea7n ph\u1ea3i<code data-no-auto-translation=\"\">functions.php<\/code>s\u1eed d\u1ee5ng<code data-no-auto-translation=\"\">register_sidebar()<\/code>H\u00e0m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c t\u00ednh n\u0103ng ch\u1ee7 \u0111\u1ec1 n\u00e2ng cao v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c hook (nh\u1eefng c\u00f4ng c\u1ee5 ho\u1eb7c l\u1ec7nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sau khi ho\u00e0n th\u00e0nh b\u1ed1 c\u1ee5c c\u01a1 b\u1ea3n, vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u00e0m m\u1ea1nh m\u1ebd v\u00e0 h\u1ec7 th\u1ed1ng Hook c\u1ee7a WordPress \u0111\u1ec3 th\u00eam ch\u1ee9c n\u0103ng l\u00e0 r\u1ea5t quan tr\u1ecdng. C\u00e1c Hook cho ph\u00e9p b\u1ea1n ch\u00e8n m\u00e3 t\u00f9y ch\u1ec9nh v\u00e0o nh\u1eefng \u0111i\u1ec3m c\u1ee5 th\u1ec3 m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i thay \u0111\u1ed5i m\u00e3 ngu\u1ed3n g\u1ed1c c\u1ee7a WordPress.<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-theme-development-complete-guide-8fwordpress\/\">Ph\u00e1t tri\u1ec3n ch\u1ee7 \u0111\u1ec1 WordPress t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n x\u00e2y d\u1ef1ng ch\u1ee7 \u0111\u1ec1 WordPress hi\u1ec7n \u0111\u1ea1i v\u00e0 \u0111\u00e1p \u1ee9ng<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\n\n\n\n<h3 class=\"wp-block-heading\">Th\u00eam c\u00e1c t\u00ednh n\u0103ng t\u00f9y ch\u1ec9nh cho ch\u1ee7 \u0111\u1ec1.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code data-no-auto-translation=\"\">functions.php<\/code>T\u1ec7p tin ch\u00ednh l\u00e0 \u201cph\u00f2ng m\u00e1y\u201d (engine room) d\u00f9ng \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c t\u00ednh n\u0103ng li\u00ean quan \u0111\u1ebfn ch\u1ee7 \u0111\u1ec1 (theme) c\u1ee7a b\u1ea1n. T\u1ea1i \u0111\u00e2y, b\u1ea1n c\u00f3 th\u1ec3 th\u00eam c\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 cho ch\u1ee7 \u0111\u1ec1, menu \u0111\u0103ng k\u00fd, b\u1ea3ng \u0111\u1ecbnh d\u1ea1ng (style sheets) v\u00e0 c\u00e1c t\u1eadp l\u1ec7nh (scripts). V\u00ed d\u1ee5, \u0111o\u1ea1n m\u00e3 \u0111\u1ec3 k\u00edch ho\u1ea1t t\u00ednh n\u0103ng hi\u1ec3n th\u1ecb \u1ea3nh thu nh\u1ecf (thumbnail) cho b\u00e0i vi\u1ebft v\u00e0 h\u1ed7 tr\u1ee3 menu t\u00f9y ch\u1ec9nh nh\u01b0 sau:<\/p>\n\n\n\n<pre class=\"wp-block-code\" data-no-auto-translation=\"\"><code class=\"language-php\" data-no-auto-translation=\"\">&lt;?php\nfunction my_theme_setup() {\n    \/\/ \u542f\u7528\u6587\u7ae0\u7f29\u7565\u56fe\n    add_theme_support(&#039;post-thumbnails&#039;);\n    \/\/ \u6ce8\u518c\u5bfc\u822a\u83dc\u5355\n    register_nav_menus(array(\n        &#039;primary&#039; =&gt; __(&#039;\u4e3b\u5bfc\u822a\u83dc\u5355&#039;, &#039;my-first-theme&#039;),\n    ));\n}\nadd_action(&#039;after_setup_theme&#039;, &#039;my_theme_setup&#039;);\n?&gt;<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1eed d\u1ee5ng c\u00e1c hook h\u00e0nh \u0111\u1ed9ng (action hooks) v\u00e0 b\u1ed9 l\u1ecdc (filters)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Action Hooks, nh\u01b0\u2026<code data-no-auto-translation=\"\">wp_enqueue_scripts<\/code>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c thi m\u00e3 v\u00e0o nh\u1eefng th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 th\u00eam CSS v\u00e0 JavaScript m\u1ed9t c\u00e1ch an to\u00e0n. C\u00e1c hook l\u1ecdc (Filter Hooks) nh\u01b0\u2026<code data-no-auto-translation=\"\">the_content<\/code>Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thay \u0111\u1ed5i d\u1eef li\u1ec7u. V\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y minh h\u1ecda c\u00e1ch s\u1eafp x\u1ebfp c\u00e1c th\u1ee9 t\u1ef1 \u0111\u1ec3 \u0111\u01b0a c\u00e1c b\u1ea3ng \u0111\u1ecbnh d\u1ea1ng (style sheets) v\u00e0o \u0111\u00fang c\u00e1ch:<\/p>\n\n\n\n<pre class=\"wp-block-code\" data-no-auto-translation=\"\"><code class=\"language-php\" data-no-auto-translation=\"\">function my_theme_scripts() {\n    wp_enqueue_style(&#039;main-style&#039;, get_stylesheet_uri());\n    wp_enqueue_script(&#039;custom-js&#039;, get_template_directory_uri() . &#039;\/js\/script.js&#039;, array(&#039;jquery&#039;), &#039;1.0&#039;, true);\n}\nadd_action(&#039;wp_enqueue_scripts&#039;, &#039;my_theme_scripts&#039;);<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Thi\u1ebft b\u1ecb t\u00f9y ch\u1ec9nh ch\u1ee7 \u0111\u1ec1, thi\u1ebft k\u1ebf th\u00edch \u1ee9ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u n\u0103ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ch\u1ee7 \u0111\u1ec1 chuy\u00ean nghi\u1ec7p kh\u00f4ng ch\u1ec9 c\u1ea7n c\u00f3 ch\u1ee9c n\u0103ng \u0111\u1ea7y \u0111\u1ee7 m\u00e0 c\u00f2n ph\u1ea3i d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh, th\u00edch \u1ee9ng v\u1edbi nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb kh\u00e1c nhau v\u00e0 ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. API c\u1ee7a c\u00f4ng c\u1ee5 t\u00f9y ch\u1ec9nh WordPress (WordPress Customizer) c\u00f9ng v\u1edbi c\u00e1c c\u00f4ng ngh\u1ec7 thi\u1ebft k\u1ebf th\u00edch \u1ee9ng (responsive design) l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1eefng m\u1ee5c ti\u00eau<\/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\">T\u00edch h\u1ee3p Tr\u00ecnh t\u00f9y ch\u1ec9nh Giao di\u1ec7n WordPress<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ecnh t\u00f9y ch\u1ec9nh cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng xem tr\u01b0\u1edbc v\u00e0 thay \u0111\u1ed5i c\u00e1c thi\u1ebft l\u1eadp c\u1ee7a ch\u1ee7 \u0111\u1ec1 (nh\u01b0 m\u00e0u s\u1eafc v\u00e0 Logo) m\u1ed9t c\u00e1ch th\u1eddi gian th\u1ef1c. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 t\u00f9y ch\u1ec9nh giao di\u1ec7n theo \u00fd mu\u1ed1n.<code data-no-auto-translation=\"\">$wp_customize-&gt;add_setting()<\/code>\u548c<code data-no-auto-translation=\"\">$wp_customize-&gt;add_control()<\/code>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cho ph\u00e9p th\u00eam c\u00e1c control t\u00f9y ch\u1ec9nh, t\u1eeb \u0111\u00f3 n\u00e2ng cao \u0111\u00e1ng k\u1ec3 m\u1ee9c \u0111\u1ed9 d\u1ec5 s\u1eed d\u1ee5ng c\u1ee7a giao di\u1ec7n (theme).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ea3m b\u1ea3o t\u00ednh th\u00edch \u1ee9ng (responsive) v\u00e0 t\u1ed1c \u0111\u1ed9 trang web theo t\u1eebng thi\u1ebft b\u1ecb (device).<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e0o n\u0103m 2026, thi\u1ebft k\u1ebf ph\u1ea3n \u1ee9ng (responsive design) s\u1ebd tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n ph\u1ed5 bi\u1ebfn. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c truy v\u1ea5n ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng (Media Queries) trong CSS \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh giao di\u1ec7n cho m\u1ecdi k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh, t\u1eeb \u0111i\u1ec7n tho\u1ea1i \u0111\u1ebfn m\u00e1y t\u00ednh b\u00e0n. \u0110\u1ed3ng th\u1eddi, vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u0169ng r\u1ea5t quan tr\u1ecdng: n\u00e9n h\u00ecnh \u1ea3nh, gi\u1ea3m k\u00edch th\u01b0\u1edbc c\u00e1c t\u1ec7p CSS\/JS, v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng trang web ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb.<code data-no-auto-translation=\"\">functions.php<\/code>C\u00e1c script \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf v\u1ecb tr\u00ed ph\u00f9 h\u1ee3p (v\u00ed d\u1ee5: \u0111\u1eb7t ch\u00fang \u1edf ph\u1ea7n ch\u00e2n trang \u0111\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 t\u1ea3i trang), v\u00e0 c\u01a1 ch\u1ebf l\u01b0u tr\u1eef \u0111\u1ec7m (cache) c\u1ee7a WordPress \u0111\u01b0\u1ee3c t\u1eadn d\u1ee5ng tri\u1ec7t \u0111\u1ec3.<\/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 ph\u00e1t tri\u1ec3n c\u00e1c ch\u1ee7 \u0111\u1ec1 (themes) cho WordPress l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh c\u00f3 h\u1ec7 th\u1ed1ng, \u0111\u00f2i h\u1ecfi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n kh\u00f4ng ch\u1ec9 c\u1ea7n n\u1eafm v\u1eefng c\u00e1c k\u1ef9 thu\u1eadt c\u01a1 b\u1ea3n nh\u01b0 PHP, HTML, CSS v\u00e0 JavaScript, m\u00e0 c\u00f2n ph\u1ea3i hi\u1ec3u s\u00e2u v\u1ec1 c\u1ea5u tr\u00fac c\u1ed1t l\u00f5i c\u1ee7a WordPress, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1ea5u tr\u00fac c\u00e1c file m\u1eabu (templates) v\u00e0 h\u1ec7 th\u1ed1ng c\u00e1c hook (hooks). T\u1eeb vi\u1ec7c thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n ph\u00f9 h\u1ee3p, \u0111\u1ebfn vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c file m\u1eabu c\u1ed1t l\u00f5i, v\u00e0 sau \u0111\u00f3 l\u00e0 qu\u00e1 tr\u00ecnh tri\u1ec3n khai c\u00e1c t\u00ednh n\u0103ng m\u1edbi th\u00f4ng qua c\u00e1c hook\u2026<code data-no-auto-translation=\"\">functions.php<\/code>Vi\u1ec7c b\u1ed5 sung c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao cho c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 \u201cc\u00e2u ch\u1ed1t\u201d (hooks) l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng m\u1ed9t ch\u1ee7 \u0111\u1ec1 (theme) m\u1ea1nh m\u1ebd, linh ho\u1ea1t v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec. M\u1ed9t ch\u1ee7 \u0111\u1ec1 xu\u1ea5t s\u1eafc c\u00f2n c\u1ea7n ch\u00fa tr\u1ecdng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng, cung c\u1ea5p t\u00ednh linh ho\u1ea1t th\u00f4ng qua c\u00e1c c\u00f4ng c\u1ee5 t\u00f9y ch\u1ec9nh (customizers), \u0111\u1ed3ng th\u1eddi tu\u00e2n th\u1ee7 c\u00e1c th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t v\u1ec1 t\u00ednh th\u00edch \u1ee9ng (responsiveness) v\u00e0 hi\u1ec7u su\u1ea5t (performance) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o trang web \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 \u0111\u1eb9p m\u1eaft<\/p>\n<!-- AUTO_INTERNAL_LINKS_START --><p>\u0110\u1ecdc th\u00eam <a href=\"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-theme-development-beginner-guide-build-first-theme-2026\/\">H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n ph\u00e1t tri\u1ec3n theme WordPress: X\u00e2y d\u1ef1ng theme \u0111\u1ea7u ti\u00ean t\u1eeb con s\u1ed1 0<\/a>\u3002<\/p><!-- AUTO_INTERNAL_LINKS_END -->\n\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 ch\u1ee7 \u0111\u1ec1 WordPress c\u1ea7n n\u1eafm nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0o?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ph\u00e1t tri\u1ec3n m\u1ed9t theme WordPress ho\u00e0n ch\u1ec9nh v\u1ec1 ch\u1ee9c n\u0103ng, b\u1ea1n c\u1ea7n n\u1eafm v\u1eefng c\u00e1c ng\u00f4n ng\u1eef v\u00e0 c\u00f4ng c\u1ee5 sau: PHP, HTML, CSS, v\u00e0 JavaScript. PHP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd logic \u1edf ph\u00eda m\u00e1y ch\u1ee7 v\u00e0 c\u00e1c h\u00e0m c\u1ed1t l\u00f5i c\u1ee7a WordPress; HTML ch\u1ecbu tr\u00e1ch nhi\u1ec7m x\u00e2y d\u1ef1ng c\u1ea5u tr\u00fac trang web; CSS ki\u1ec3m so\u00e1t phong c\u00e1ch thi\u1ebft k\u1ebf v\u00e0 b\u1ed1 c\u1ee5c trang; c\u00f2n JavaScript th\u1ef1c hi\u1ec7n c\u00e1c t\u01b0\u01a1ng t\u00e1c ng\u01b0\u1eddi d\u00f9ng \u1edf ph\u00eda tr\u00ecnh duy\u1ec7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 th\u00eam m\u1ed9t lo\u1ea1i b\u00e0i vi\u1ebft t\u00f9y ch\u1ec9nh cho ch\u1ee7 \u0111\u1ec1 c\u1ee7a t\u00f4i?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng m\u00e3 ngu\u1ed3n \u0111\u1ec3 \u0111\u0103ng k\u00fd c\u00e1c lo\u1ea1i b\u00e0i vi\u1ebft t\u00f9y ch\u1ec9nh. Vi\u1ec7c n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong ph\u1ea7n c\u1ea5u h\u00ecnh c\u1ee7a giao di\u1ec7n tema (theme configuration).<code data-no-auto-translation=\"\">functions.php<\/code>Ho\u00e0n t\u1ea5t trong t\u1ec7p tin, h\u00e3y s\u1eed d\u1ee5ng n\u00f3.<code data-no-auto-translation=\"\">register_post_type()<\/code>B\u1ea1n c\u1ea7n \u0111\u1ecbnh ngh\u0129a c\u00e1c th\u1ebb (tags), tham s\u1ed1 (parameters), quy\u1ec1n h\u1ea1n (permissions), v.v. cho lo\u1ea1i b\u00e0i vi\u1ebft m\u1edbi n\u00e0y.<\/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<h3 class=\"wp-block-heading\">T\u1ea1i sao thay \u0111\u1ed5i v\u1ec1 ch\u1ee7 \u0111\u1ec1 c\u1ee7a t\u00f4i l\u1ea1i bi\u1ebfn m\u1ea5t sau khi n\u00f3 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y x\u1ea3y ra v\u00ec b\u1ea1n \u0111\u00e3 tr\u1ef1c ti\u1ebfp s\u1eeda \u0111\u1ed5i t\u1ec7p ch\u1ee7 \u0111\u1ec1 (parent theme) \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Khi ch\u1ee7 \u0111\u1ec1 ch\u00ednh \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, nh\u1eefng thay \u0111\u1ed5i c\u1ee7a b\u1ea1n s\u1ebd b\u1ecb ghi \u0111\u00e8. C\u00e1ch l\u00e0m \u0111\u00fang \u0111\u1eafn l\u00e0 t\u1ea1o m\u1ed9t ch\u1ee7 \u0111\u1ec1 con (child theme) v\u00e0 \u0111\u1eb7t t\u1ea5t c\u1ea3 c\u00e1c thay \u0111\u1ed5i t\u00f9y ch\u1ec9nh c\u1ee7a b\u1ea1n (phong c\u00e1ch thi\u1ebft k\u1ebf, c\u00e1c t\u1ec7p m\u1eabu \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i, c\u00e1c t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c b\u1ed5 sung) v\u00e0o ch\u1ee7 \u0111\u1ec1 con \u0111\u00f3. B\u1eb1ng c\u00e1ch n\u00e0y, b\u1ea1n v\u1eeba c\u00f3 th\u1ec3 gi\u1eef l\u1ea1i nh\u1eefng n\u1ed9i dung t\u1ef1 \u0111\u1ecbnh c\u1ee7a m\u00ecnh, v\u1eeba c\u00f3 th\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt t\u1eeb ch\u1ee7 \u0111\u1ec1 ch\u00ednh m\u1ed9t c\u00e1ch an to\u00e0n.<\/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 (i18n \u2013 Internationalization) cho ch\u1ee7 \u0111\u1ec1 c\u1ee7a m\u00ecnh. Trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c h\u00e0m d\u1ecbch c\u1ee7a WordPress cho t\u1ea5t c\u1ea3 c\u00e1c chu\u1ed7i v\u0103n b\u1ea3n d\u00e0nh cho ng\u01b0\u1eddi d\u00f9ng.<code data-no-auto-translation=\"\">()<\/code>\u3001<code data-no-auto-translation=\"\">_e()<\/code>\u6216<code data-no-auto-translation=\"\">esc_html()<\/code>v\u00e0 trong<code data-no-auto-translation=\"\">style.css<\/code>v\u00e0 trong<code data-no-auto-translation=\"\">load_theme_textdomain()<\/code>\u0110\u00e3 thi\u1ebft l\u1eadp \u0111\u00fang trong qu\u00e1 tr\u00ecnh g\u1ecdi.<code data-no-auto-translation=\"\">Text Domain<\/code>Sau khi ho\u00e0n th\u00e0nh, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Poedit \u0111\u1ec3 t\u1ea1o ra s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<code data-no-auto-translation=\"\">.po<\/code>\u548c<code data-no-auto-translation=\"\">.mo<\/code>t\u1ec7p d\u1ecbch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tr\u01b0\u1edbc khi g\u1eedi ch\u1ee7 \u0111\u1ec1 c\u1ee7a t\u00f4i \u0111\u1ebfn danh m\u1ee5c ch\u00ednh th\u1ee9c c\u1ee7a WordPress, t\u00f4i c\u1ea7n ki\u1ec3m tra nh\u1eefng g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edbc khi g\u1eedi l\u00ean, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u1ee7 \u0111\u1ec1 (theme) c\u1ee7a b\u1ea1n tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a c\u1ee7a WordPress v\u00e0 y\u00eau c\u1ea7u ki\u1ec3m duy\u1ec7t ch\u1ee7 \u0111\u1ec1. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c h\u00e0m an to\u00e0n \u0111\u1ec3 hi\u1ec3n th\u1ecb d\u1eef li\u1ec7u (v\u00ed d\u1ee5:<code data-no-auto-translation=\"\">esc_html()<\/code>C\u00e1c script ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo \u0111\u00fang th\u1ee9 t\u1ef1 \u0111\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o h\u1ec7 th\u1ed1ng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c; ch\u00fang ph\u1ea3i h\u1ed7 tr\u1ee3 c\u00e1c t\u00ednh n\u0103ng h\u1ed7 tr\u1ee3 ng\u01b0\u1eddi khuy\u1ebft t\u1eadt (Accessibility). \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f4ng c\u00f3 c\u1ea3nh b\u00e1o hay l\u1ed7i n\u00e0o li\u00ean quan \u0111\u1ebfn PHP x\u1ea3y ra. C\u1ea7n cung c\u1ea5p t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn chi ti\u1ebft cho ng\u01b0\u1eddi d\u00f9ng, v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c ch\u1ee9c n\u0103ng ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng ngay c\u1ea3 khi kh\u00f4ng s\u1eed d\u1ee5ng b\u1ea5t k\u1ef3 plugin n\u00e0o (t\u1ee9c l\u00e0 ch\u00fang ph\u1ea3i c\u00f3 t\u00ednh \u0111\u1ed9c l\u1eadp cao).<\/p>","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft n\u00e0y gi\u1edbi thi\u1ec7u ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u00e0 c\u00e1c b\u01b0\u1edbc th\u1ef1c h\u00e0nh trong ph\u00e1t tri\u1ec3n theme WordPress. N\u1ed9i dung bao g\u1ed3m c\u00e1c kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i v\u1ec1 theme, c\u1ea5u tr\u00fac t\u1ec7p b\u1eaft bu\u1ed9c, ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n c\u1ee5c b\u1ed9, c\u0169ng nh\u01b0 c\u00e1ch t\u1ea1o c\u00e1c m\u1eabu nh\u01b0 trang ch\u1ee7, trang b\u00e0i vi\u1ebft. \u0110\u1ed3ng th\u1eddi, b\u00e0i vi\u1ebft gi\u1ea3i th\u00edch c\u00e1c k\u1ef9 thu\u1eadt n\u00e2ng cao nh\u01b0 th\u00eam ch\u1ee9c n\u0103ng cho theme th\u00f4ng qua functions.php v\u00e0 s\u1eed d\u1ee5ng hook (m\u00f3c n\u1ed1i), cung c\u1ea5p h\u01b0\u1edbng d\u1eabn h\u1ec7 th\u1ed1ng t\u1eeb c\u01a1 b\u1ea3n \u0111\u1ebfn n\u00e2ng cao cho nh\u00e0 ph\u00e1t tri\u1ec3n.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[638,436,2149,1950,1000],"knowledge_category":[280],"class_list":["post-12390738","knowledge_post","type-knowledge_post","status-publish","hentry","tag-wordpress-theme-development","tag-wordpress-tutorial","tag-theme-development-guide","tag-1950","tag-template-files","knowledge_category-wordpress"],"acf":{"site_seo_keywords":"WordPress\u4e3b\u9898\u5f00\u53d1,\u4e3b\u9898\u5236\u4f5c\u6559\u7a0b,\u6a21\u677f\u6587\u4ef6,functions.php,\u672c\u5730\u73af\u5883\u642d\u5efa,\u6a21\u677f\u5c42\u7ea7,WordPress\u94a9\u5b50,\u81ea\u5b9a\u4e49\u4e3b\u9898\u529f\u80fd"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12390738","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":4,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12390738\/revisions"}],"predecessor-version":[{"id":12403471,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12390738\/revisions\/12403471"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12390738"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12390738"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12390738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}