{"id":12367930,"date":"2026-03-14T09:21:18","date_gmt":"2026-03-14T01:21:18","guid":{"rendered":"https:\/\/www.likacloud.com\/knowledge\/wordpress%e6%8f%92%e4%bb%b6%e5%bc%80%e5%8f%91%e7%bb%88%e6%9e%81%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bb%8e%e9%9b%b6%e5%88%b0%e4%b8%80%e6%9e%84%e5%bb%ba%e8%87%aa%e5%ae%9a%e4%b9%89%e5%8a%9f%e8%83%bd\/"},"modified":"2026-06-03T23:55:09","modified_gmt":"2026-06-03T15:55:09","slug":"wordpress-plugin-development-guide-from-scratch-12367930","status":"publish","type":"knowledge_post","link":"https:\/\/www.likacloud.com\/vi\/knowledge\/wordpress\/wordpress-plugin-development-guide-from-scratch-12367930\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n ph\u00e1t tri\u1ec3n plugin WordPress: X\u00e2y d\u1ef1ng ch\u1ee9c n\u0103ng t\u00f9y ch\u1ec9nh t\u1eeb con s\u1ed1 kh\u00f4ng"},"content":{"rendered":"

M\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n plugin WordPress v\u00e0 c\u00e1c b\u01b0\u1edbc chu\u1ea9n b\u1ecb c\u01a1 b\u1ea3n<\/h2>\n\n\n\n

Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u vi\u1ebft m\u00e3, m\u1ed9t m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c c\u00f4 l\u1eadp l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00e0nh c\u00f4ng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea3o v\u1ec7 trang web s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n kh\u1ecfi \u1ea3nh h\u01b0\u1edfng c\u1ee7a m\u00e3 th\u1eed nghi\u1ec7m, m\u00e0 c\u00f2n gi\u00fap qu\u00e1 tr\u00ecnh g\u1ee1 l\u1ed7i di\u1ec5n ra thu\u1eadn l\u1ee3i h\u01a1n n\u1eefa.<\/p>\n\n\n\n

X\u00e2y d\u1ef1ng m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n c\u1ee5c b\u1ed9<\/h3>\n\n\n\n

Ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean s\u1eed d\u1ee5ng c\u00e1c g\u00f3i ph\u1ea7n m\u1ec1m m\u00e1y ch\u1ee7 \u0111\u1ecba ph\u01b0\u01a1ng nh\u01b0 Local by Flywheel, XAMPP ho\u1eb7c MAMP. Nh\u1eefng c\u00f4ng c\u1ee5 n\u00e0y cho ph\u00e9p b\u1ea1n c\u00e0i \u0111\u1eb7t m\u1ed9t m\u00f4i tr\u01b0\u1eddng ho\u00e0n ch\u1ec9nh bao g\u1ed3m PHP, MySQL v\u00e0 Apache\/Nginx ch\u1ec9 v\u1edbi m\u1ed9t c\u00fa nh\u1ea5p chu\u1ed9t. H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng phi\u00ean b\u1ea3n PHP b\u1ea1n s\u1eed d\u1ee5ng ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee7a phi\u00ean b\u1ea3n WordPress m\u00e0 b\u1ea1n mu\u1ed1n c\u00e0i \u0111\u1eb7t; th\u01b0\u1eddng th\u00ec PHP 7.4 ho\u1eb7c c\u00e1c phi\u00ean b\u1ea3n m\u1edbi h\u01a1n \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt t\u1ed1t h\u01a1n.<\/p>\n\n\n\n

T\u1ea1o t\u1ec7p ch\u00ednh cho plugin<\/h3>\n\n\n\n

M\u1ecdi plugin WordPress \u0111\u1ec1u ph\u1ea3i c\u00f3 m\u1ed9t t\u1ec7p ch\u00ednh (main file), \u0111\u00f3 l\u00e0 \u0111i\u1ec3m truy c\u1eadp v\u00e0o plugin \u0111\u00f3. T\u1ec7p n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf \u0111\u00e2u? wp-content\/plugins<\/code> H\u00e3y l\u01b0u t\u1ec7p plugin v\u00e0o m\u1ed9t th\u01b0 m\u1ee5c \u0111\u1ed9c l\u1eadp b\u00ean trong th\u01b0 m\u1ee5c ch\u00ednh, v\u00e0 \u0111\u1eb7t cho n\u00f3 m\u1ed9t t\u00ean \u0111\u1ed9c \u0111\u00e1o. V\u00ed d\u1ee5, n\u1ebfu b\u1ea1n mu\u1ed1n t\u1ea1o m\u1ed9t plugin c\u00f3 t\u00ean \u201cGreeting\u201d, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t th\u01b0 m\u1ee5c v\u1edbi t\u00ean \u201cGreeting\u201d v\u00e0 \u0111\u1eb7t t\u1ec7p plugin b\u00ean trong th\u01b0 m\u1ee5c \u0111\u00f3. my-first-plugin<\/code> M\u1edf th\u01b0 m\u1ee5c \u0111\u00f3, v\u00e0 t\u1ea1o t\u1eadp tin ch\u00ednh (main file) b\u00ean trong n\u00f3. my-first-plugin.php<\/code>\u3002<\/p>\n

\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn T\u1ed1i th\u01b0\u1ee3ng Ph\u00e1t tri\u1ec3n Plugin WordPress: X\u00e2y d\u1ef1ng Plugin C\u1ea5p Th\u01b0\u01a1ng m\u1ea1i t\u1eeb Kh\u00f4ng \u0111\u1ebfn C\u00f3<\/a>\u3002<\/p>\n\n\n\n\n

\u0110\u1ea7u ti\u00ean c\u1ee7a t\u1ec7p tin n\u00e0y ph\u1ea3i ch\u1ee9a m\u1ed9t ghi ch\u00fa \u0111\u1eb7c bi\u1ec7t d\u00e0nh cho ph\u1ea7n ti\u00eau \u0111\u1ec1 c\u1ee7a plugin, nh\u1eb1m cung c\u1ea5p th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 plugin cho WordPress. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 c\u01a1 b\u1ea3n nh\u1ea5t:<\/p>\n\n\r\n

\r\n \r\n
\r\n \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
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
\r\n \r\n \"Logo\r\n \r\n <\/a>\r\n \r\n \r\n Truy c\u1eadp trang <\/a>\r\n <\/div>\r\n<\/div>\n\n\n\n\n\n\n
<?php\n\/**\n * Plugin Name:       \u6211\u7684\u7b2c\u4e00\u4e2a\u63d2\u4ef6\n * Plugin URI:        https:\/\/example.com\/my-first-plugin\n * Description:       \u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u5b66\u4e60\u63d2\u4ef6\u5f00\u53d1\u7684\u7b80\u5355\u63d2\u4ef6\u3002\n * Version:           1.0.0\n * Author:            \u4f60\u7684\u540d\u5b57\n * License:           GPL v2 or later\n * Text Domain:       my-first-plugin\n *\/<\/code><\/pre>\n\n\n\n
C\u1ea5u tr\u00fac c\u1ed1t l\u00f5i c\u1ee7a plugin v\u00e0 c\u01a1 ch\u1ebf hook<\/h2>\n\n\n\n
Tr\u1ecdng t\u00e2m c\u1ee7a vi\u1ec7c ph\u00e1t tri\u1ec3n plugin cho WordPress l\u00e0 hi\u1ec3u r\u00f5 v\u00e0 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng \u201cHook\u201d c\u1ee7a n\u00f3. H\u1ec7 th\u1ed1ng Hook cho ph\u00e9p b\u1ea1n \u0111\u01b0a \u0111o\u1ea1n m\u00e3 c\u1ee7a m\u00ecnh v\u00e0o c\u00e1c \u0111i\u1ec3m c\u1ee5 th\u1ec3 trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd c\u1ee7a WordPress, nh\u1eb1m thay \u0111\u1ed5i ho\u1eb7c th\u00eam ch\u1ee9c n\u0103ng m\u1edbi m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i s\u1eeda \u0111\u1ed5i c\u00e1c t\u1ec7p ngu\u1ed3n g\u1ed1c c\u1ee7a WordPress.<\/p>\n\n\n\n
Hi\u1ec3u v\u1ec1 Hook h\u00e0nh \u0111\u1ed9ng (Action Hook) v\u00e0 Hook b\u1ed9 l\u1ecdc (Filter Hook)<\/h3>\n\n\n\n
C\u00e1c \u201chook\u201d ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: Actions (H\u00e0nh \u0111\u1ed9ng) v\u00e0 Filters (B\u1ed9 l\u1ecdc). C\u00e1c hook lo\u1ea1i Action s\u1ebd th\u1ef1c thi \u0111o\u1ea1n m\u00e3 c\u1ee7a b\u1ea1n khi m\u1ed9t s\u1ef1 ki\u1ec7n c\u1ee5 th\u1ec3 x\u1ea3y ra, ch\u1eb3ng h\u1ea1n nh\u01b0 khi b\u1ea1n \u0111\u0103ng m\u1ed9t b\u00e0i vi\u1ebft ho\u1eb7c khi b\u1ea1n truy c\u1eadp giao di\u1ec7n qu\u1ea3n tr\u1ecb. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 theo y\u00eau c\u1ea7u. add_action()<\/code> C\u00e1c h\u00e0m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c \u201cg\u1eafn\u201d (mounting) d\u1eef li\u1ec7u v\u00e0o h\u1ec7 th\u1ed1ng. Trong khi \u0111\u00f3, c\u00e1c hook (c\u00e2u l\u1ec7nh \u0111\u01b0\u1ee3c th\u1ef1c thi t\u1ef1 \u0111\u1ed9ng) c\u1ee7a b\u1ed9 l\u1ecdc \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9nh s\u1eeda d\u1eef li\u1ec7u; ch\u00fang cho ph\u00e9p b\u1ea1n thay \u0111\u1ed5i gi\u00e1 tr\u1ecb c\u1ee7a d\u1eef li\u1ec7u tr\u01b0\u1edbc khi n\u00f3 \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c tr\u00ecnh duy\u1ec7t. add_filter()<\/code> H\u00e0m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c g\u1eafn (mount) c\u00e1c t\u00e0i nguy\u00ean.<\/p>\n\n\n\n
V\u00ed d\u1ee5, \u0111\u1ec3 th\u00eam v\u0103n b\u1ea3n t\u00f9y ch\u1ec9nh v\u00e0o ph\u1ea7n ch\u00e2n trang c\u1ee7a trang web, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng\u2026 wp_footer<\/code> This action hook:<\/p>\n\n\n\n
function myplugin_add_footer_text() {\n    echo '<p style="text-align:center;">C\u1ea3m \u01a1n b\u1ea1n \u0111ã s\u1eed d\u1ee5ng trang web này!<\/p>';\n}\nadd_action( 'wp_footer', 'myplugin_add_footer_text' );<\/code><\/pre>\n\n\n\n
t\u1ea1o trang qu\u1ea3n l\u00fd plugin<\/h3>\n\n\n\n
Nhi\u1ec1u plugin y\u00eau c\u1ea7u c\u00f3 trang c\u00e0i \u0111\u1eb7t trong giao di\u1ec7n qu\u1ea3n tr\u1ecb c\u1ee7a WordPress. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch g\u1eafn (mount) c\u00e1c plugin \u0111\u00f3 v\u00e0o h\u1ec7 th\u1ed1ng qu\u1ea3n tr\u1ecb c\u1ee7a WordPress. admin_menu<\/code> B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c \u201caction hook\u201d \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y. B\u1ea1n c\u1ea7n \u0111\u1ecbnh ngh\u0129a m\u1ed9t h\u00e0m, v\u00e0 trong h\u00e0m \u0111\u00f3, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ho\u1eb7c logic c\u1ea7n thi\u1ebft. add_menu_page()<\/code> \u6216 add_options_page()<\/code> H\u00e3y s\u1eed d\u1ee5ng c\u00e1c h\u00e0m nh\u01b0 `register_page` \u0111\u1ec3 \u0111\u0103ng k\u00fd trang, v\u00e0 \u0111\u1ecbnh ngh\u0129a m\u1ed9t h\u00e0m kh\u00e1c \u0111\u1ec3 hi\u1ec3n th\u1ecb n\u1ed9i dung HTML c\u1ee7a trang \u0111\u00f3.<\/p>\n
\u0110\u1ecdc th\u00eam B\u1eaft \u0111\u1ea7u t\u1eeb con s\u1ed1 kh\u00f4ng: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u00e0 th\u1ef1c h\u00e0nh ph\u00e1t tri\u1ec3n plugin WordPress<\/a>\u3002<\/p>\n\n\n\n\n
function myplugin_add_admin_menu() {\n    add_options_page(\n        '\u6211\u7684\u63d2\u4ef6\u8bbe\u7f6e', \/\/ \u9875\u9762\u6807\u9898\n        '\u6211\u7684\u63d2\u4ef6',     \/\/ \u83dc\u5355\u6807\u9898\n        'manage_options', \/\/ \u6743\u9650\n        'myplugin-settings', \/\/ \u83dc\u5355\u522b\u540d\n        'myplugin_render_settings_page' \/\/ \u7528\u4e8e\u663e\u793a\u9875\u9762\u5185\u5bb9\u7684\u51fd\u6570\n    );\n}\nadd_action( 'admin_menu', 'myplugin_add_admin_menu' );\n\nfunction myplugin_render_settings_page() {\n    ?&gt;\n    <div class="wrap">\n        <h2>Cài \u0111\u1eb7t plugin c\u1ee7a tôi<\/h2>\n        <form method="post" action="\/vi\/options.php\/" data-trp-original-action="options.php">\n            <?php\n            settings_fields( 'myplugin_settings_group' );\n            do_settings_sections( 'myplugin-settings' );\n            submit_button();\n            ?>\n        <input type="hidden" name="trp-form-language" value="vi"\/><\/form>\n    <\/div>\n    &lt;?php\n}<\/code><\/pre>\n\n\n\n
Th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng c\u1ee7a plugin v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u<\/h2>\n\n\n\n
M\u1ed9t plugin ho\u00e0n ch\u1ec9nh th\u01b0\u1eddng c\u1ea7n x\u1eed l\u00fd d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o t\u1eeb ng\u01b0\u1eddi d\u00f9ng, l\u01b0u tr\u1eef c\u00e1c thi\u1ebft l\u1eadp, v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u. WordPress cung c\u1ea5p nh\u1eefng API m\u1ea1nh m\u1ebd \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c thao t\u00e1c n\u00e0y.<\/p>\n\n\n\n
S\u1eed d\u1ee5ng API c\u1ea5u h\u00ecnh \u0111\u1ec3 l\u01b0u c\u00e1c t\u00f9y ch\u1ecdn.<\/h3>\n\n\n\n
Vi\u1ec7c x\u1eed l\u00fd th\u1ee7 c\u00f4ng c\u00e1c thao t\u00e1c g\u1eedi bi\u1ec3u m\u1eabu v\u00e0 thao t\u00e1c tr\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u1eeba ph\u1ee9c t\u1ea1p v\u1eeba kh\u00f4ng an to\u00e0n. WordPress cung c\u1ea5p API \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c \u0111\u0103ng k\u00fd, x\u00e1c th\u1ef1c v\u00e0 l\u01b0u tr\u1eef c\u00e0i \u0111\u1eb7t m\u1ed9t c\u00e1ch ti\u00eau chu\u1ea9n h\u00f3a v\u00e0 an to\u00e0n. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m ba h\u00e0m ch\u00ednh:register_setting()<\/code>\u3001add_settings_section()<\/code> \u548c add_settings_field()<\/code>\u3002<\/p>\n\n\n\n
V\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y minh h\u1ecda c\u00e1ch thi\u1ebft l\u1eadp m\u1ed9t tr\u01b0\u1eddng v\u0103n b\u1ea3n:<\/p>\n\n\r\n
\r\n     \r\n  
\r\n    \r\n      Hosting.com - l\u01b0u tr\u1eef chia s\u1ebb    <\/strong>\r\n    
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  
\r\n          \r\n                  \"Logo\r\n          \r\n              <\/a>\r\n    \r\n    \r\n       Truy c\u1eadp trang    <\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n\n\n\n
function myplugin_settings_init() {\n    register_setting( 'myplugin_settings_group', 'myplugin_greeting_text' );\n\nadd_settings_section(\n        'myplugin_section',\n        '\u57fa\u7840\u8bbe\u7f6e',\n        null,\n        'myplugin-settings'\n    );\n\nadd_settings_field(\n        'myplugin_field_greeting',\n        '\u95ee\u5019\u8bed',\n        'myplugin_field_greeting_render',\n        'myplugin-settings',\n        'myplugin_section'\n    );\n}\nadd_action( \u2018admin_init\u2019\uff0c \u2018myplugin_settings_init\u2019 );\n\nfunction myplugin_field_greeting_render() {\n    $value = get_option( \u2018myplugin_greeting_text\u2019\uff0c \u2018\u4f60\u597d\uff0c\u4e16\u754c\uff01\u2019 );\n    echo \u2018<input type=\u201ctext\u201d name=\u201cmyplugin_greeting_text\u201d value=\u201c\u2019 . esc_attr( $value ) . \u2018\u201d \/>\u2019;\n}<\/code><\/pre>\n\n\n\n
t\u1ea1o b\u1ea3ng c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u00f9y ch\u1ec9nh<\/h3>\n\n\n\n
\u0110\u1ed1i v\u1edbi c\u00e1c plugin c\u1ea7n l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p (d\u1eef li\u1ec7u quan h\u1ec7), b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n t\u1ea1o c\u00e1c b\u1ea3ng c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u00f9y ch\u1ec9nh. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi plugin \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t. B\u1ea1n s\u1ebd c\u1ea7n vi\u1ebft m\u1ed9t h\u00e0m v\u00e0 g\u1eafn n\u00f3 v\u00e0o c\u00e1c hook li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd v\u00e0 k\u00edch ho\u1ea1t c\u1ee7a WordPress. dbDelta()<\/code> \u0110\u00e2y l\u00e0 m\u1ed9t h\u00e0m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c c\u00e2u l\u1ec7nh SQL nh\u1eb1m t\u1ea1o ho\u1eb7c c\u1eadp nh\u1eadt b\u1ea3ng d\u1eef li\u1ec7u, v\u00e0 n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd m\u1ed9t c\u00e1ch th\u00f4ng minh nh\u1eefng thay \u0111\u1ed5i trong c\u1ea5u tr\u00fac c\u1ee7a b\u1ea3ng \u0111\u00f3.<\/p>\n\n\n\n
Tr\u01b0\u1edbc h\u1ebft, h\u00e3y \u0111\u0103ng k\u00fd c\u00e1c hook k\u00edch ho\u1ea1t trong t\u1ec7p plugin ch\u00ednh c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n
register_activation_hook( __FILE__\uff0c \u2018myplugin_create_database_table\u2019 );<\/code><\/pre>\n\n\n\n
Sau \u0111\u00f3, h\u00e3y \u0111\u1ecbnh ngh\u0129a h\u00e0m \u0111\u1ec3 t\u1ea1o b\u1ea3ng:<\/p>\n
\u0110\u1ecdc th\u00eam H\u01b0\u1edbng d\u1eabn nh\u1eadp m\u00f4n ph\u00e1t tri\u1ec3n plugin WordPress: T\u1ea1o plugin \u0111\u1ea7u ti\u00ean c\u1ee7a b\u1ea1n t\u1eeb con s\u1ed1 0<\/a>\u3002<\/p>\n\n\n\n\n
function myplugin_create_database_table() {\n    global $wpdb;\n    $table_name = $wpdb->prefix . \u2018myplugin_data\u2019;\n    $charset_collate = $wpdb->get_charset_collate();\n\n$sql = \u201cCREATE TABLE $table_name (\n        id mediumint(9) NOT NULL AUTO_INCREMENT\uff0c\n        name varchar(100) NOT NULL\uff0c\n        email varchar(100) NOT NULL\uff0c\n        created_at datetime DEFAULT CURRENT_TIMESTAMP NOT NULL\uff0c\n        PRIMARY KEY (id)\n    ) $charset_collate;\u201d;\n\nrequire_once( ABSPATH . \u2018wp-admin\/includes\/upgrade.php\u2019 );\n    dbDelta( $sql );\n}<\/code><\/pre>\n\n\n\n
B\u1ea3o m\u1eadt plugin, h\u1ed7 tr\u1ee3 \u0111a ng\u00f4n ng\u1eef (internationalization), v\u00e0 chu\u1ea9n b\u1ecb cho vi\u1ec7c ph\u00e1t h\u00e0nh (release preparation)<\/h2>\n\n\n\n
C\u00e1c plugin \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n c\u1ea7n ph\u1ea3i tr\u1ea3i qua c\u00e1c b\u01b0\u1edbc t\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt, d\u1ecbch thu\u1eadt theo ng\u00f4n ng\u1eef c\u1ee5 th\u1ec3, v\u00e0 \u0111\u00f3ng g\u00f3i theo ti\u00eau chu\u1ea9n nh\u1ea5t \u0111\u1ecbnh tr\u01b0\u1edbc khi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p an to\u00e0n cho ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c g\u1eedi l\u00ean danh m\u1ee5c ch\u00ednh th\u1ee9c.<\/p>\n\n\n\n
Th\u1ef1c hi\u1ec7n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o m\u1eadt t\u1ed1t nh\u1ea5t<\/h3>\n\n\n\n
An to\u00e0n l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u00e1c plugin. H\u00e3y lu\u00f4n ki\u1ec3m tra \u0111\u1ecbnh d\u1ea1ng v\u00e0 l\u00e0m s\u1ea1ch d\u1eef li\u1ec7u do ng\u01b0\u1eddi d\u00f9ng nh\u1eadp v\u00e0o (lo\u1ea1i b\u1ecf c\u00e1c ph\u1ea7n c\u00f3 h\u1ea1i). H\u00e3y s\u1eed d\u1ee5ng c\u00e1c h\u00e0m \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi WordPress \u0111\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y. esc_html()<\/code>\u3001esc_attr()<\/code>\u3001sanitize_text_field()<\/code> \u0110\u1ec3 xu\u1ea5t ho\u1eb7c x\u1eed l\u00fd d\u1eef li\u1ec7u, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p khi th\u1ef1c hi\u1ec7n truy v\u1ea5n c\u01a1 s\u1edf d\u1eef li\u1ec7u. $wpdb->prepare()<\/code> C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng SQL injection. \u0110\u1ed3ng th\u1eddi, h\u00e3y s\u1eed d\u1ee5ng\u2026 current_user_can()<\/code> Ki\u1ec3m tra quy\u1ec1n h\u1ea1n c\u1ee7a ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ec9 nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c \u1ee7y quy\u1ec1n m\u1edbi c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c nh\u1ea1y c\u1ea3m.<\/p>\n\n\r\n
\r\n     \r\n  
\r\n    \r\n      M\u00e1y ch\u1ee7 chia s\u1ebb c\u1ee7a InterServer    <\/strong>\r\n    
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  
\r\n          \r\n                  \"Logo\r\n          \r\n              <\/a>\r\n    \r\n    \r\n       Truy c\u1eadp trang    <\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n\n\n\n
Th\u1ef1c hi\u1ec7n qu\u1ed1c t\u1ebf h\u00f3a cho plugin<\/h3>\n\n\n\n
\u0110\u1ec3 plugin c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi ng\u01b0\u1eddi d\u00f9ng tr\u00ean to\u00e0n th\u1ebf gi\u1edbi, b\u1ea1n c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc chu\u1ea9n b\u1ecb cho vi\u1ec7c h\u1ed7 tr\u1ee3 \u0111a ng\u00f4n ng\u1eef (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\u00f9ng \u0111\u1ec3 hi\u1ec3n th\u1ecb cho ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng \u0111\u01b0\u1ee3c vi\u1ebft tr\u1ef1c ti\u1ebfp trong m\u00e3 ngu\u1ed3n, m\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c bao b\u1ecdc b\u1eb1ng c\u00e1c h\u00e0m d\u1ecbch c\u1ee7a WordPress. H\u00e0m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0\u2026 ()<\/code> D\u00f9ng \u0111\u1ec3 hi\u1ec3n th\u1ecb b\u1ea3n d\u1ecbch,()<\/code> D\u00f9ng \u0111\u1ec3 l\u1ea5y chu\u1ed7i \u0111\u00e3 \u0111\u01b0\u1ee3c d\u1ecbch, c\u0169ng nh\u01b0\u2026 _e()<\/code> D\u00f9ng \u0111\u1ec3 hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 d\u1ecbch tr\u1ef1c ti\u1ebfp.<\/p>\n\n\n\n
Trong \u0111o\u1ea1n m\u00e3 c\u1ee7a b\u1ea1n, b\u1ea1n n\u00ean vi\u1ebft nh\u01b0 sau:<\/p>\n\n\n\n
$greeting = __( \u2018\u4f60\u597d\uff0c\u4e16\u754c\uff01\u2019\uff0c \u2018my-first-plugin\u2019 );\necho esc_html( $greeting );\n\n_e( \u2018\u8bbe\u7f6e\u5df2\u4fdd\u5b58\u3002\u2019\uff0c \u2018my-first-plugin\u2019 );<\/code><\/pre>\n\n\n\n
L\u01b0u \u00fd r\u1eb1ng tham s\u1ed1 th\u1ee9 hai trong h\u00e0m d\u1ecbch (\u201cText Domain\u201d) ph\u1ea3i tr\u00f9ng kh\u1edbp v\u1edbi gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a trong ph\u1ea7n ch\u00fa th\u00edch \u1edf \u0111\u1ea7u plugin. Text Domain<\/code> Ho\u00e0n to\u00e0n nh\u1ea5t qu\u00e1n. Sau \u0111\u00f3, 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 c\u1ea7n thi\u1ebft. .pot<\/code> t\u1ec7p m\u1eabu, \u0111\u1ec3 ng\u01b0\u1eddi d\u1ecbch t\u1ea1o .po<\/code> \u548c .mo<\/code> t\u1ec7p d\u1ecbch.<\/p>\n\n\n\n
T\u00f3m l\u1ea1i<\/h2>\n\n\n\n
Vi\u1ec7c ph\u00e1t tri\u1ec3n plugin cho WordPress l\u00e0 qu\u00e1 tr\u00ecnh bi\u1ebfn nh\u1eefng \u00fd t\u01b0\u1edfng s\u00e1ng t\u1ea1o th\u00e0nh nh\u1eefng ch\u1ee9c n\u0103ng th\u1ef1c t\u1ebf, v\u00e0 \u0111i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 c\u1ea5u tr\u00fac c\u1ed1t l\u00f5i c\u1ee7a WordPress, \u0111\u1eb7c bi\u1ec7t l\u00e0 h\u1ec7 th\u1ed1ng c\u00e1c hook (nh\u1eefng \u0111i\u1ec3m k\u1ebft n\u1ed1i trong m\u00e3 ngu\u1ed3n). T\u1eeb vi\u1ec7c thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n, vi\u1ebft c\u00e1c t\u1ec7p ch\u00ednh c\u1ee7a plugin, s\u1eed d\u1ee5ng c\u00e1c hook li\u00ean quan \u0111\u1ebfn c\u00e1c h\u00e0nh \u0111\u1ed9ng (actions) v\u00e0 b\u1ed9 l\u1ecdc (filters), cho \u0111\u1ebfn vi\u1ec7c x\u1eed l\u00fd d\u1eef li\u1ec7u th\u00f4ng qua API c\u1ea5u h\u00ecnh v\u00e0 API c\u01a1 s\u1edf d\u1eef li\u1ec7u, m\u1ecdi b\u01b0\u1edbc \u0111\u1ec1u tu\u00e2n theo nh\u1eefng quy tr\u00ecnh nh\u1ea5t \u0111\u1ecbnh. Cu\u1ed1i c\u00f9ng, ch\u1ec9 khi \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o m\u1eadt nghi\u00eam ng\u1eb7t v\u00e0 h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 cho vi\u1ec7c \u0111a ng\u00f4n ng\u1eef, plugin c\u1ee7a b\u1ea1n m\u1edbi c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh s\u1ea3n ph\u1ea9m s\u1eb5n s\u00e0ng \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh. Sau khi n\u1eafm v\u1eefng nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c kh\u00e1m ph\u00e1 nh\u1eefng l\u0129nh v\u1ef1c ph\u1ee9c t\u1ea1p h\u01a1n nh\u01b0 t\u00f9y ch\u1ec9nh c\u00e1c lo\u1ea1i b\u00e0i vi\u1ebft (article types), t\u00edch h\u1ee3p v\u1edbi REST API, ho\u1eb7c ph\u00e1t tri\u1ec3n c\u00e1c block (blocks) theo c\u00f4ng ngh\u1ec7 Gutenberg, t\u1eeb \u0111\u00f3 t\u1ea1o ra nh\u1eefng ti\u1ec7n \u00edch m\u1edf r\u1ed9ng (extensions) cho WordPress m\u1ea1nh m\u1ebd v\u00e0 hi\u1ec7n \u0111\u1ea1i h\u01a1n.<\/p>\n\n\n\n
FAQ \u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n
C\u00f3 ph\u1ea3i \u0111\u1ec3 ph\u00e1t tri\u1ec3n plugin cho WordPress, b\u1ea1n ph\u1ea3i am hi\u1ec3u s\u00e2u r\u1ed9ng v\u1ec1 PHP kh\u00f4ng?<\/h3>\n\n\n\n
\u0110\u00fang v\u1eady, PHP l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n WordPress c\u00f9ng v\u1edbi c\u00e1c plugin c\u1ee7a n\u00f3. B\u1ea1n c\u1ea7n n\u1eafm v\u1eefng ng\u1eef ph\u00e1p c\u01a1 b\u1ea3n c\u1ee7a PHP, c\u00e1c h\u00e0m, m\u1ea3ng d\u1eef li\u1ec7u, c\u0169ng nh\u01b0 c\u00e1c kh\u00e1i ni\u1ec7m v\u1ec1 l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. Ngo\u00e0i ra, vi\u1ec7c c\u00f3 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 HTML, CSS v\u00e0 JavaScript c\u0169ng r\u1ea5t quan tr\u1ecdng, v\u00ec b\u1ea1n s\u1ebd ph\u1ea3i x\u1eed l\u00fd ph\u1ea7n hi\u1ec3n th\u1ecb v\u00e0 t\u01b0\u01a1ng t\u00e1c tr\u00ean trang web (ph\u1ea7n front-end).<\/p>\n\n\n\n
L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 g\u1ee1 l\u1ed7i (debug) m\u1ed9t plugin WordPress \u0111ang trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n?<\/h3>\n\n\n\n
B\u1ea1n n\u00ean b\u1eadt ch\u1ebf \u0111\u1ed9 g\u1ee1 l\u1ed7i (debug mode) c\u1ee7a WordPress. wp-config.php<\/code> t\u1ec7p, \u0111\u1eb7t gi\u00e1 tr\u1ecb c\u1ee7a h\u1eb1ng s\u1ed1 WP_DEBUG<\/code> H\u1eb1ng s\u1ed1 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp true<\/code>\u0110i\u1ec1u n\u00e0y s\u1ebd hi\u1ec3n th\u1ecb t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7i, c\u1ea3nh b\u00e1o v\u00e0 th\u00f4ng b\u00e1o c\u1ee7a PHP tr\u00ean m\u00e0n h\u00ecnh. \u0110\u1ed3ng th\u1eddi, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3\u2026 (The text seems incomplete here; please provide the rest of the sentence for a complete translation.) error_log()<\/code> H\u00e0m n\u00e0y s\u1ebd ghi th\u00f4ng tin g\u1ee1 l\u1ed7i v\u00e0o nh\u1eadt k\u00fd l\u1ed7i c\u1ee7a m\u00e1y ch\u1ee7, ho\u1eb7c s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ph\u00e1t tri\u1ec3n tr\u00ecnh duy\u1ec7t \u0111\u1ec3 g\u1ee1 l\u1ed7i JavaScript \u1edf ph\u00eda tr\u01b0\u1edbc (frontend).<\/p>\n\n\n\n
L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 tr\u00e1nh xung \u0111\u1ed9t t\u00ean h\u00e0m trong c\u00e1c plugin?<\/h3>\n\n\n\n
\u0110\u1ec3 tr\u00e1nh xung \u0111\u1ed9t gi\u1eefa t\u00ean h\u00e0m, t\u00ean l\u1edbp ho\u1eb7c t\u00ean h\u1eb1ng s\u1ed1, b\u1ea1n n\u00ean lu\u00f4n s\u1eed d\u1ee5ng m\u1ed9t ti\u1ec1n t\u1ed1 duy nh\u1ea5t. Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng t\u00ean c\u1ee7a plugin ho\u1eb7c c\u00e1c t\u1eeb vi\u1ebft t\u1eaft l\u00e0m ti\u1ec1n t\u1ed1. V\u00ed d\u1ee5, n\u1ebfu plugin c\u1ee7a b\u1ea1n c\u00f3 t\u00ean l\u00e0 \u201cAwesome Slider\u201d, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ti\u1ec1n t\u1ed1 nh\u01b0 \u201cAwesomeSlider-\u201d \u0111\u1ec3 \u0111\u1eb7t t\u00ean c\u00e1c th\u00e0nh ph\u1ea7n li\u00ean quan \u0111\u1ebfn plugin \u0111\u00f3. as_<\/code> \u6216 awesome_slider_<\/code> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ti\u1ec1n t\u1ed1 cho t\u1ea5t c\u1ea3 c\u00e1c h\u00e0m t\u00f9y ch\u1ec9nh. \u0110\u1ed1i v\u1edbi t\u00ean l\u1edbp (class names), c\u0169ng n\u00ean tu\u00e2n theo nguy\u00ean t\u1eafc t\u01b0\u01a1ng t\u1ef1.<\/p>\n\n\n\n
C\u00f3 th\u1ec3 g\u1eedi c\u00e1c plugin \u0111\u01b0\u1ee3c mua v\u1ec1 (plugin \u0111\u00e3 \u0111\u01b0\u1ee3c thanh to\u00e1n) l\u00ean danh m\u1ee5c plugin ch\u00ednh th\u1ee9c c\u1ee7a WordPress kh\u00f4ng?<\/h3>\n\n\n\n
Kh\u00f4ng \u0111\u01b0\u1ee3c. Danh m\u1ee5c plugin ch\u00ednh th\u1ee9c c\u1ee7a WordPress ch\u1ec9 ch\u1ea5p nh\u1eadn nh\u1eefng plugin tu\u00e2n th\u1ee7 gi\u1ea5y ph\u00e9p GPL v\u00e0 ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed. N\u1ebfu b\u1ea1n ph\u00e1t tri\u1ec3n plugin c\u00f3 ph\u00ed (cao c\u1ea5p), b\u1ea1n c\u1ea7n t\u1ef1 ph\u00e2n ph\u1ed1i v\u00e0 b\u00e1n ch\u00fang tr\u00ean trang web c\u1ee7a m\u00ecnh. Tuy nhi\u00ean, nhi\u1ec1u plugin c\u00f3 ph\u00ed cung c\u1ea5p m\u1ed9t phi\u00ean b\u1ea3n mi\u1ec5n ph\u00ed bao g\u1ed3m c\u00e1c t\u00ednh n\u0103ng c\u01a1 b\u1ea3n \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eedi l\u00ean danh m\u1ee5c ch\u00ednh th\u1ee9c, nh\u1eb1m m\u1ee5c \u0111\u00edch qu\u1ea3ng b\u00e1 v\u00e0 cho ng\u01b0\u1eddi d\u00f9ng tr\u1ea3i nghi\u1ec7m tr\u01b0\u1edbc phi\u00ean b\u1ea3n cao c\u1ea5p.<\/p>","protected":false},"excerpt":{"rendered":"
B\u00e0i vi\u1ebft n\u00e0y gi\u1edbi thi\u1ec7u v\u1ec1 c\u00e1c b\u01b0\u1edbc chu\u1ea9n b\u1ecb c\u01a1 b\u1ea3n v\u00e0 nh\u1eefng thao t\u00e1c ch\u00ednh trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n plugin cho WordPress. \u0110\u1ea7u ti\u00ean, b\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn c\u00e1ch thi\u1ebft l\u1eadp m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n tr\u00ean m\u00e1y t\u00ednh c\u00e1 nh\u00e2n v\u00e0 t\u1ea1o t\u1ec7p ch\u00ednh c\u1ee7a plugin theo c\u00e1c ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh. Tr\u1ecdng t\u00e2m \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c hook (kh\u1edbp n\u1ed1i) trong WordPress, c\u1ee5 th\u1ec3 l\u00e0 hook h\u00e0nh \u0111\u1ed9ng (action hooks) v\u00e0 hook l\u1ecdc (filter hooks), \u0111\u1ed3ng th\u1eddi minh h\u1ecda c\u00e1ch s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 th\u00eam c\u00e1c t\u00ednh n\u0103ng m\u1edbi th\u00f4ng qua c\u00e1c v\u00ed d\u1ee5 m\u00e3 ngu\u1ed3n. Cu\u1ed1i c\u00f9ng, b\u00e0i vi\u1ebft m\u00f4 t\u1ea3 ng\u1eafn g\u1ecdn c\u00e1ch t\u1ea1o trang c\u1ea5u h\u00ecnh qu\u1ea3n l\u00fd cho plugin, cung c\u1ea5p h\u01b0\u1edbng d\u1eabn r\u00f5 r\u00e0ng gi\u00fap c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n d\u1ec5 d\u00e0ng x\u00e2y d\u1ef1ng c\u00e1c ch\u1ee9c n\u0103ng t\u00f9y ch\u1ec9nh.<\/p>","protected":false},"author":7,"featured_media":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[1978,366,2653,2274,2273],"knowledge_category":[280],"class_list":["post-12367930","knowledge_post","type-knowledge_post","status-publish","hentry","tag-wordpress-plugin-development","tag-development-guide","tag-programming-examples","tag-custom-functions","tag-hook-mechanism","knowledge_category-wordpress"],"acf":{"site_seo_keywords":"WordPress\u63d2\u4ef6\u5f00\u53d1,\u81ea\u5b9a\u4e49\u529f\u80fd,\u94a9\u5b50\u673a\u5236,\u672c\u5730\u73af\u5883\u642d\u5efa,\u63d2\u4ef6\u4e3b\u6587\u4ef6,\u52a8\u4f5c\u94a9\u5b50,\u8fc7\u6ee4\u5668\u94a9\u5b50,\u521b\u5efa\u7ba1\u7406\u9875\u9762"},"_links":{"self":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12367930","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\/12367930\/revisions"}],"predecessor-version":[{"id":12404790,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_posts\/12367930\/revisions\/12404790"}],"wp:attachment":[{"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/media?parent=12367930"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/tags?post=12367930"},{"taxonomy":"knowledge_category","embeddable":true,"href":"https:\/\/www.likacloud.com\/vi\/wp-json\/wp\/v2\/knowledge_category?post=12367930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}