M\u1eb7c d\u00f9 \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o v\u1ec1 PHP nh\u01b0ng t\u00f4i kh\u00f4ng ph\u1ea3i l\u1eadp tr\u00ecnh vi\u00ean chuy\u00ean nghi\u1ec7p. Tuy nhi\u00ean m\u1ed9t s\u1ed1 d\u1ef1 \u00e1n bu\u1ed9c ph\u1ea3i d\u00f9ng \u0111\u1ebfn code \u0111\u00e3 \u0111em l\u1ea1i m\u1ed9t s\u1ed1 kinh nghi\u1ec7m t\u00f4i mu\u1ed1n k\u1ec3 l\u1ea1i cho c\u00e1c b\u1ea1n – \u0111\u00e2y c\u0169ng \u0111\u1ed3ng th\u1eddi l\u00e0 c\u00e1ch \u0111\u1ec3 ch\u00ednh t\u00f4i s\u00e1ng r\u00f5 h\u01a1n.<\/p>\n\n\n\n
Khi ch\u00fang ta code c\u00f3 ngh\u0129a l\u00e0 \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ed9t v\u1ea5n \u0111\u1ec1 n\u00e0o \u0111\u00f3. \u0110\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i hay \u1ee9ng d\u1ee5ng web gi\u00fap \u0111\u1ee1 m\u1ecdi ng\u01b0\u1eddi t\u00ecm c\u00e2y ATM g\u1ea7n nh\u1ea5t. D\u00f9 l\u00e0 c\u00e1i g\u00ec, ch\u00fang ta ph\u1ea3i r\u00f5 m\u00ecnh code cho m\u1ee5c \u0111\u00edch g\u00ec.<\/p>\n\n\n\n
T\u1ea5t nhi\u00ean ch\u00fang ta kh\u00f4ng m\u1ed9ng t\u01b0\u1edfng r\u1eb1ng, c\u00e1c y\u00eau c\u1ea7u s\u1ebd \u0111\u01b0\u1ee3c s\u00e1ng r\u00f5 h\u1ebft t\u1eeb \u0111\u1ea7u. V\u00e0 r\u1eb1ng ch\u00fang ta c\u00f3 m\u1ed9t con \u0111\u01b0\u1eddng th\u1eb3ng t\u1eafp v\u00e0 c\u1ee9 th\u1ebf theo l\u1ed9 tr\u00ecnh t\u1eeb A \u0111\u1ebfn Z.<\/p>\n\n\n\n
Th\u1ef1c t\u1ebf kh\u00f4ng bao gi\u1edd nh\u01b0 v\u1eady.<\/p>\n\n\n\n
Tr\u00ean con \u0111\u01b0\u1eddng ch\u00fang ta s\u1ebd th\u1ea5y nhi\u1ec1u v\u1ea5n \u0111\u1ec1 m\u1edbi c\u1ea7n gi\u1ea3i quy\u1ebft. V\u00ed d\u1ee5:<\/p>\n\n\n\n
Cho d\u00f9 v\u1eady, t\u1ea1i sao ch\u00fang ta n\u00ean s\u00e1ng r\u00f5 ngay t\u1eeb \u0111\u1ea7u con \u0111\u01b0\u1eddng m\u00e0 m\u00ecnh \u0111\u1ecbnh \u0111i?<\/p>\n\n\n\n
\u0110\u00f3 l\u00e0 v\u00ec:<\/p>\n\n\n\n
T\u01b0 duy quan tr\u1ecdng h\u01a1n m\u00e3 l\u1ec7nh, \u0111\u00f3 l\u00e0 nguy\u00ean nh\u00e2n t\u00f4i th\u1ea5y m\u00ecnh \u0111\u1ec1u \u0111\u1ea1t tr\u00ecnh \u0111\u1ed9 kh\u00e1 khi l\u1eadp tr\u00ecnh c\u00e1c ng\u00f4n ng\u1eef m\u00ecnh \u0111\u01b0\u1ee3c h\u1ecdc.<\/p>\n\n\n\n
Ch\u00fang ta th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eafc nh\u1edf kh\u00f4ng n\u00ean l\u1eb7p l\u1ea1i nh\u1eefng \u0111i\u1ec1u ngu ng\u1ed1c, nh\u01b0ng l\u1ea7n n\u00e0y t\u00f4i mu\u1ed1n n\u00f3i \u0111i\u1ec1u m\u00e0 c\u00e2u c\u00fa c\u00f3 v\u1ebb ng\u01b0\u1ee3c l\u1ea1i:<\/p>\n\n\n\n
Ch\u00fang ta c\u1ea7n l\u1eb7p l\u1ea1i nh\u1eefng \u0111i\u1ec1u th\u00f4ng minh.<\/strong><\/p>\n\n\n\n N\u1ebfu t\u1eebng l\u1eadp tr\u00ecnh b\u1ea1n \u0111\u1ec1u nh\u1eadn th\u1ea5y, thi tho\u1ea3ng ch\u00fang ta c\u00f3 m\u1ed9t tho\u00e1ng lo\u00e9 s\u00e1ng b\u1ea5t ng\u1edd gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 v\u00f4 c\u00f9ng h\u00f3c b\u00faa.<\/p>\n\n\n\n N\u00f3 ch\u1eb3ng ph\u1ea3i v\u00ec ch\u00fang ta th\u00f4ng m\u00ecnh \u0111\u1ed9t xu\u1ea5t m\u00e0 \u0111\u1ebfn t\u1eeb s\u1ef1 nghi\u1ec1n ng\u1eabm h\u00e0ng ti\u1ebfng ho\u1eb7c c\u00f3 khi v\u00e0i ng\u00e0y m\u1edbi c\u00f3 \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n V\u1eady t\u1ea1i sao ch\u00fang ta kh\u00f4ng l\u01b0u gi\u1eef l\u1ea1i kho\u1ea3ng kh\u1eafc \u0111\u00f3. \u00dd t\u00f4i l\u00e0 b\u1ea1n c\u1ea7n l\u01b0u gi\u1eef nh\u1eefng \u0111o\u1ea1n code xu\u1ea5t s\u1eafc. Th\u1eadm ch\u00ed l\u00e0 n\u00ean m\u00f4 h\u00ecnh ho\u00e1 n\u00f3, \u0111\u1ec3 n\u00f3 \u0111\u01b0\u1ee3c l\u1eb7p l\u1ea1i m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng trong b\u1ea5t c\u1ee9 d\u1ef1 \u00e1n n\u00e0o m\u00e0 b\u1ea1n mu\u1ed1n.<\/p>\n\n\n\n H\u00e3y x\u00e2y d\u1ef1ng c\u00e1c h\u00e0m tuy\u1ec7t v\u1eddi v\u00e0 s\u1eed d\u1ee5ng l\u1ea1i n\u00f3.<\/p>\n\n\n\n C\u1ea7n l\u00e0m \u0111i\u1ec1u t\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u1ea3 HTML v\u00e0 CSS. B\u1ea1n kh\u00f4ng c\u1ea7n thi\u1ebft ph\u1ea3i g\u00f5 \u0111i g\u00f5 l\u1ea1i m\u1ed9t th\u1ee9 ho\u1eb7c v\u00e0i th\u1ee9 g\u1ea7n gi\u1ed1ng nhau.<\/p>\n\n\n\n T\u1ea5t nhi\u00ean \u0111\u1eebng l\u00e0m ra s\u1ea3n ph\u1ea9m d\u1edf t\u1ec7 r\u1ed3i tung ra, b\u1ea1n s\u1ebd kh\u1ed1n kh\u1ed5 m\u00e0 th\u00f4i. Nh\u01b0ng \u0111\u1ee3i s\u1ea3n ph\u1ea9m ho\u00e0n h\u1ea3o \u01b0? Kh\u00f4ng bao gi\u1edd c\u00f3 \u0111i\u1ec1u \u0111\u00f3 \u0111\u00e2u.<\/p>\n\n\n\n Tri\u1ebft h\u1ecdc c\u00f3 \u00edch \u1edf \u0111\u00e2y: m\u1ecdi th\u1ee9 \u0111\u1ec1u v\u1eadn \u0111\u1ed9ng, v\u00e0 b\u1ea1n s\u1ebd lu\u00f4n ph\u1ea3i thay \u0111\u1ed5i \u0111\u1ec3 c\u00f3 s\u1ea3n ph\u1ea9m t\u1ed1t, r\u1ea5t t\u1ed1t nh\u01b0ng kh\u00f4ng bao gi\u1edd l\u00e0 ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n C\u00f3 nh\u1eefng th\u1ee9, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00ednh n\u0103ng m\u1edbi ch\u1ec9 \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1 ra khi b\u1ea1n tung ra s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n C\u00f3 nh\u1eefng g\u00f3p \u00fd qu\u00fd nh\u01b0 v\u00e0ng t\u1eeb kh\u00e1ch h\u00e0ng. B\u1ea1n kh\u00f4ng l\u00e0 Th\u00e1nh, b\u1ea1n kh\u00f4ng th\u1ec3 t\u01b0\u1edfng t\u01b0\u1ee3ng h\u1ebft c\u00e1c t\u00ecnh hu\u1ed1ng, nh\u01b0ng ng\u01b0\u1eddi d\u00f9ng th\u00ec c\u00f3 th\u1ec3 \u1edf b\u1ea5t c\u1ee9 t\u00ecnh hu\u1ed1ng n\u00e0o v\u00e0 h\u1ecd s\u1ebd gi\u00fap \u00edch cho b\u1ea1n.<\/p>\n\n\n\n T\u00f4i \u0111\u00e3 b\u1ecb \u0103n m\u1eafng v\u00e0i l\u1ea7n t\u1eeb kh\u00e1ch h\u00e0ng, nh\u01b0ng n\u1ebfu t\u00f4i kh\u00f4ng tung ra, t\u00f4i s\u1ebd tr\u00ec ho\u00e3n kh\u00f4ng bi\u1ebft \u0111\u1ebfn bao gi\u1edd v\u1ec1 n\u1ed7i s\u1ee3 h\u00e3i c\u1ee7a ho\u00e0n ch\u1ec9nh. H\u00e3y ch\u1ea5p nh\u1eadn l\u1ed7i v\u00e0 s\u1eeda v\u1edbi t\u00e2m th\u1ebf c\u1ea7u ti\u1ebfn. B\u1ea1n s\u1ebd h\u1ea1nh ph\u00fac thay v\u00ec s\u1ee3 h\u00e3i khi \u0111\u01b0\u1ee3c kh\u00e1ch h\u00e0ng m\u1eafng!<\/p>\n","protected":false},"excerpt":{"rendered":" M\u1eb7c d\u00f9 \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o v\u1ec1 PHP nh\u01b0ng t\u00f4i kh\u00f4ng ph\u1ea3i l\u1eadp tr\u00ecnh vi\u00ean chuy\u00ean nghi\u1ec7p. Tuy nhi\u00ean m\u1ed9t s\u1ed1 d\u1ef1 \u00e1n bu\u1ed9c ph\u1ea3i d\u00f9ng \u0111\u1ebfn code \u0111\u00e3 \u0111em l\u1ea1i m\u1ed9t s\u1ed1 kinh nghi\u1ec7m t\u00f4i mu\u1ed1n k\u1ec3 l\u1ea1i cho c\u00e1c b\u1ea1n – \u0111\u00e2y c\u0169ng \u0111\u1ed3ng th\u1eddi l\u00e0 c\u00e1ch \u0111\u1ec3 ch\u00ednh t\u00f4i s\u00e1ng r\u00f5 h\u01a1n. A. …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[238],"tags":[],"yoast_head":"\nC. Tung ra s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u1eebng ng\u1ea1i ch\u1ec9 tr\u00edch<\/h3>\n\n\n\n