{"id":117508,"date":"2025-08-01T09:08:12","date_gmt":"2025-08-01T02:08:12","guid":{"rendered":"https:\/\/tino.vn\/blog\/?p=117508"},"modified":"2026-01-02T17:40:50","modified_gmt":"2026-01-02T10:40:50","slug":"cach-sua-loi-your-php-installation-appears-to-be-missing-the-mysql-extension-which-is-required-by-wordpress","status":"publish","type":"post","link":"https:\/\/tino.vn\/blog\/cach-sua-loi-your-php-installation-appears-to-be-missing-the-mysql-extension-which-is-required-by-wordpress\/","title":{"rendered":"4 c\u00e1ch s\u1eeda l\u1ed7i Your PHP Installation Appears to Be Missing the MySQL Extension Which Is Required by WordPress 2026"},"content":{"rendered":"\n

M\u1ed9t trong nh\u1eefng l\u1ed7i ph\u1ed5 bi\u1ebfn khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng WordPress<\/a> b\u1ed1i r\u1ed1i ch\u00ednh l\u00e0 th\u00f4ng b\u00e1o: “Your PHP Installation Appears to Be Missing the MySQL Extension Which Is Required by WordPress”. V\u1eady \u0111\u00e2y l\u00e0 l\u1ed7i g\u00ec? D\u01b0\u1edbi \u0111\u00e2y l\u00e0 4 c\u00e1ch s\u1eeda l\u1ed7i Your PHP Installation Appears to Be Missing the MySQL Extension Which Is Required by WordPress hi\u1ec7u qu\u1ea3.<\/strong><\/p>\n\n\n\n

<\/a>L\u1ed7i “Your PHP Installation Appears to Be Missing the MySQL Extension Which Is Required by WordPress” l\u00e0 g\u00ec?<\/h2>\n\n\n\n

L\u1ed7i “Your PHP Installation Appears to Be Missing the MySQL Extension Which Is Required by WordPress” xu\u1ea5t hi\u1ec7n khi m\u00e1y ch\u1ee7 web c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f3 ho\u1eb7c ch\u01b0a k\u00edch ho\u1ea1t ph\u1ea7n m\u1edf r\u1ed9ng MySQL<\/a> c\u1ea7n thi\u1ebft trong c\u00e0i \u0111\u1eb7t PHP, m\u00e0 WordPress y\u00eau c\u1ea7u \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u. Ph\u1ea7n m\u1edf r\u1ed9ng n\u00e0y (th\u01b0\u1eddng l\u00e0 mysql ho\u1eb7c mysqli) \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t c\u1ea7u n\u1ed1i gi\u1eefa m\u00e3 ngu\u1ed3n WordPress v\u00e0 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u MySQL, cho ph\u00e9p trang web \u0111\u1ecdc, ghi v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u.<\/p>\n\n\n

\n
\"L\u1ed7i
L\u1ed7i “Your PHP Installation Appears to Be Missing the MySQL Extension Which Is Required by WordPress” l\u00e0 g\u00ec?<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

L\u1ed7i n\u00e0y th\u01b0\u1eddng x\u1ea3y ra khi phi\u00ean b\u1ea3n PHP tr\u00ean m\u00e1y ch\u1ee7 qu\u00e1 c\u0169 ho\u1eb7c kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c y\u00eau c\u1ea7u c\u1ee7a WordPress ho\u1eb7c khi ph\u1ea7n m\u1edf r\u1ed9ng MySQL b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a trong c\u1ea5u h\u00ecnh PHP.<\/p>\n\n\n\n

<\/a>Nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra l\u1ed7i “Your PHP Installation Appears to Be Missing the MySQL Extension Which Is Required by WordPress”<\/strong><\/h3>\n\n\n\n

<\/a>Thi\u1ebfu ho\u1eb7c ch\u01b0a k\u00edch ho\u1ea1t ph\u1ea7n m\u1edf r\u1ed9ng MySQL trong PHP<\/h4>\n\n\n\n

Ph\u1ea7n m\u1edf r\u1ed9ng mysqli<\/strong> (ho\u1eb7c mysql<\/strong> trong c\u00e1c phi\u00ean b\u1ea3n c\u0169) l\u00e0 th\u00e0nh ph\u1ea7n b\u1eaft bu\u1ed9c \u0111\u1ec3 WordPress k\u1ebft n\u1ed1i v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u MySQL. N\u1ebfu ph\u1ea7n m\u1edf r\u1ed9ng n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t ho\u1eb7c b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a trong file c\u1ea5u h\u00ecnh PHP (php.ini), WordPress s\u1ebd kh\u00f4ng th\u1ec3 truy c\u1eadp c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 hi\u1ec3n th\u1ecb l\u1ed7i.<\/p>\n\n\n\n

<\/a>Phi\u00ean b\u1ea3n PHP qu\u00e1 c\u0169 <\/h4>\n\n\n\n

C\u00e1c phi\u00ean b\u1ea3n PHP c\u0169 (v\u00ed d\u1ee5: PHP 5.x) c\u00f3 th\u1ec3 kh\u00f4ng h\u1ed7 tr\u1ee3 c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng m\u1edbi nh\u01b0 mysqli, ho\u1eb7c ch\u00fang \u0111\u00e3 b\u1ecb ng\u1eebng h\u1ed7 tr\u1ee3 ho\u00e0n to\u00e0n. WordPress y\u00eau c\u1ea7u \u00edt nh\u1ea5t PHP 7.4<\/strong> (ho\u1eb7c cao h\u01a1n) \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, v\u00e0 n\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng m\u1ed9t phi\u00ean b\u1ea3n PHP l\u1ed7i th\u1eddi, n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng bao g\u1ed3m c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng c\u1ea7n thi\u1ebft.<\/p>\n\n\n

\n
\"Nguy\u00ean
Nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra l\u1ed7i “Your PHP Installation Appears to Be Missing the MySQL Extension Which Is Required by WordPress”<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

<\/a>C\u1ea5u h\u00ecnh sai trong file php.ini<\/h4>\n\n\n\n

File php.ini l\u00e0 n\u01a1i qu\u1ea3n l\u00fd c\u00e1c thi\u1ebft l\u1eadp c\u1ee7a PHP. N\u1ebfu ph\u1ea7n m\u1edf r\u1ed9ng MySQL (mysqli ho\u1eb7c mysql) b\u1ecb t\u1eaft ho\u1eb7c kh\u00f4ng \u0111\u01b0\u1ee3c khai b\u00e1o \u0111\u00fang c\u00e1ch trong file n\u00e0y, m\u00e1y ch\u1ee7 s\u1ebd kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c c\u00e1c th\u01b0 vi\u1ec7n c\u1ea7n thi\u1ebft \u0111\u1ec3 WordPress ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n

<\/a>Xung \u0111\u1ed9t gi\u1eefa c\u00e1c phi\u00ean b\u1ea3n PHP tr\u00ean hosting<\/h4>\n\n\n\n

M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 hosting<\/a> cho ph\u00e9p c\u00e0i \u0111\u1eb7t nhi\u1ec1u phi\u00ean b\u1ea3n PHP kh\u00e1c nhau. N\u1ebfu b\u1ea1n v\u00f4 t\u00ecnh ch\u1ecdn phi\u00ean b\u1ea3n PHP kh\u00f4ng t\u01b0\u01a1ng th\u00edch ho\u1eb7c kh\u00f4ng k\u00edch ho\u1ea1t ph\u1ea7n m\u1edf r\u1ed9ng MySQL cho phi\u00ean b\u1ea3n \u0111\u00f3, l\u1ed7i n\u00e0y s\u1ebd x\u1ea3y ra.<\/p>\n\n\n\n

<\/a>Chuy\u1ec3n \u0111\u1ed5i hosting ho\u1eb7c n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng kh\u00f4ng \u0111\u00fang c\u00e1ch<\/h4>\n\n\n\n

Khi chuy\u1ec3n \u0111\u1ed5i hosting ho\u1eb7c thay \u0111\u1ed5i c\u1ea5u h\u00ecnh m\u00e1y ch\u1ee7 m\u00e0 kh\u00f4ng ki\u1ec3m tra k\u1ef9 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a WordPress, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c thi\u1ebfu h\u1ee5t c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng c\u1ea7n thi\u1ebft, bao g\u1ed3m MySQL.<\/p>\n\n\n\n

<\/a>Plugin ho\u1eb7c theme t\u00f9y ch\u1ec9nh s\u1eed d\u1ee5ng m\u00e3 l\u1ed7i th\u1eddi<\/h4>\n\n\n\n

M\u1eb7c d\u00f9 \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n, nh\u01b0ng m\u1ed9t s\u1ed1 plugin ho\u1eb7c theme c\u0169 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c h\u00e0m PHP l\u1ed7i th\u1eddi li\u00ean quan \u0111\u1ebfn MySQL. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra xung \u0111\u1ed9t n\u1ebfu ph\u1ea7n m\u1edf r\u1ed9ng MySQL kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 tr\u00ean m\u00e1y ch\u1ee7.<\/p>\n\n\n\n

<\/a>4 c\u00e1ch s\u1eeda l\u1ed7i Your PHP Installation Appears to Be Missing the MySQL Extension Which Is Required by WordPress<\/h2>\n\n\n\n

<\/a>Ki\u1ec3m tra xem MySQL Extension \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t ch\u01b0a<\/strong><\/h3>\n\n\n\n

N\u1ebfu b\u1ea1n \u0111ang s\u1eed d\u1ee5ng PHP 5.6 tr\u1edf xu\u1ed1ng, c\u1ea7n ki\u1ec3m tra xem MySQL extension \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t hay ch\u01b0a. H\u00e3y th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch t\u1ea1o t\u1ec7p phpinfo.php v\u00e0 t\u1ea3i l\u00ean tr\u00ecnh duy\u1ec7t.<\/p>\n\n\n\n

C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/p>\n\n\n\n

B\u01b0\u1edbc 1: <\/strong>\u0110\u0103ng nh\u1eadp v\u00e0o t\u00e0i kho\u1ea3n hosting qua FTP (nh\u01b0 FileZilla) ho\u1eb7c truy c\u1eadp tr\u00ecnh qu\u1ea3n l\u00fd t\u1ec7p (File Manager) c\u1ee7a nh\u00e0 cung c\u1ea5p hosting.<\/p>\n\n\n\n

B\u01b0\u1edbc 2: <\/strong>M\u1edf th\u01b0 m\u1ee5c public_html<\/strong> \u0111\u1ec3 truy c\u1eadp th\u01b0 m\u1ee5c g\u1ed1c c\u1ee7a website WordPress.<\/p>\n\n\n

\n
\"Ki\u1ec3m
Ki\u1ec3m tra xem MySQL Extension \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t ch\u01b0a<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

B\u01b0\u1edbc 3: <\/strong>T\u1ea1o t\u1ec7p m\u1edbi v\u00e0 \u0111\u1eb7t t\u00ean l\u00e0 phpinfo.php.<\/p>\n\n\n

\n
\"Ki\u1ec3m
Ki\u1ec3m tra xem MySQL Extension \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t ch\u01b0a<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n

<\/p>\n\n\n\n

B\u01b0\u1edbc 4:<\/strong> Ch\u1ec9nh s\u1eeda t\u1ec7p v\u00e0 th\u00eam \u0111o\u1ea1n m\u00e3 sau:<\/p>\n\n\n\n

<?php\n\nphpinfo();\n\n?><\/code><\/pre>\n\n\n
\n
\"Ki\u1ec3m
Ki\u1ec3m tra xem MySQL Extension \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t ch\u01b0a<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n
<\/p>\n\n\n\n
B\u01b0\u1edbc 5: <\/strong>Truy c\u1eadp file n\u00e0y qua tr\u00ecnh duy\u1ec7t b\u1eb1ng c\u00e1ch g\u00f5: yourwebsite.com\/phpinfo.php<\/strong> (thay yourwebsite.com<\/strong> b\u1eb1ng t\u00ean mi\u1ec1n th\u1eadt c\u1ee7a b\u1ea1n).<\/p>\n\n\n\n
Khi trang t\u1ea3i l\u00ean, b\u1ea1n s\u1ebd th\u1ea5y danh s\u00e1ch c\u00e1c th\u00f4ng tin c\u1ea5u h\u00ecnh PHP c\u1ee7a website.<\/p>\n\n\n\n
T\u00ecm d\u00f2ng “Client API version<\/strong>“:<\/p>\n\n\n
\n
\"Ki\u1ec3m
Ki\u1ec3m tra xem MySQL Extension \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t ch\u01b0a<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n
<\/p>\n\n\n\n
N\u1ebfu kh\u00f4ng th\u1ea5y d\u00f2ng n\u00e0y, c\u00f3 ngh\u0129a l\u00e0 MySQL extension ch\u01b0a \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t.<\/p>\n\n\n\n
C\u00e1ch kh\u1eafc ph\u1ee5c:<\/p>\n\n\n\n