Ch\u00e0o c\u00e1c b\u1ea1n, trong b\u00e0i h\u01b0\u1edbng d\u1eabn n\u00e0y ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1c b\u1ea1n th\u1ef1c hi\u1ec7n \u0111\u1ecdc v\u00e0 l\u01b0u file json<\/p>\n\n\n\n
D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t h\u00e0m PHP \u0111\u1ec3 \u0111\u1ecdc file JSON:<\/p>\n\n\n
\nfunction read_json_file($file_path) {\n $data = file_get_contents($file_path);\n $json_data = json_decode($data, true);\n return $json_data;\n}\n<\/pre><\/div>\n\n\nH\u00e0m n\u00e0y s\u1ebd nh\u1eadn \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn file JSON l\u00e0m \u0111\u1ea7u v\u00e0o v\u00e0 tr\u1ea3 v\u1ec1 d\u1eef li\u1ec7u JSON trong file d\u01b0\u1edbi d\u1ea1ng m\u1ed9t m\u1ea3ng PHP.<\/p>\n\n\n\n
V\u00ed d\u1ee5:<\/p>\n\n\n
\n$json_data = read_json_file('data.json');\n<\/pre><\/div>\n\n\nH\u00e0m n\u00e0y s\u1ebd \u0111\u1ecdc file data.json<\/code> v\u00e0 tr\u1ea3 v\u1ec1 d\u1eef li\u1ec7u JSON trong file d\u01b0\u1edbi d\u1ea1ng m\u1ed9t m\u1ea3ng PHP. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ea3ng n\u00e0y \u0111\u1ec3 truy c\u1eadp c\u00e1c kh\u00f3a v\u00e0 gi\u00e1 tr\u1ecb trong file JSON.<\/p>\n\n\n\nV\u00ed d\u1ee5:<\/p>\n\n\n
\necho $json_data['name']; \/\/ T\u00ean c\u1ee7a kh\u00f3a `name`\necho $json_data['age']; \/\/ Tu\u1ed5i c\u1ee7a kh\u00f3a `age`\n<\/pre><\/div>\n\n\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t h\u00e0m PHP \u0111\u1ec3 l\u01b0u d\u1eef li\u1ec7u JSON v\u00e0o file:<\/p>\n\n\n
\nfunction save_json_file($file_path, $data) {\n $json_string = json_encode($data, JSON_PRETTY_PRINT);\n file_put_contents($file_path, $json_string);\n}\n<\/pre><\/div>\n\n\nH\u00e0m n\u00e0y s\u1ebd nh\u1eadn \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ebfn file JSON v\u00e0 d\u1eef li\u1ec7u JSON l\u00e0m \u0111\u1ea7u v\u00e0o v\u00e0 l\u01b0u d\u1eef li\u1ec7u JSON v\u00e0o file.<\/p>\n\n\n\n
V\u00ed d\u1ee5:<\/p>\n\n\n
\n$data = ['name' => 'John Doe', 'age' => 30];\nsave_json_file('data.json', $data);\n<\/pre><\/div>\n\n\nH\u00e0m n\u00e0y s\u1ebd l\u01b0u d\u1eef li\u1ec7u JSON trong m\u1ea3ng data<\/code> v\u00e0o file data.json<\/code>. B\u1ea1n c\u00f3 th\u1ec3 m\u1edf file data.json<\/code> trong tr\u00ecnh so\u1ea1n th\u1ea3o v\u0103n b\u1ea3n \u0111\u1ec3 xem d\u1eef li\u1ec7u JSON \u0111\u00e3 \u0111\u01b0\u1ee3c l\u01b0u th\u00e0nh c\u00f4ng.<\/p>\n\n\n\n\u0110\u00e2y ch\u1ec9 l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 c\u00e1ch l\u01b0u d\u1eef li\u1ec7u JSON v\u00e0o file b\u1eb1ng PHP. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng h\u00e0m n\u00e0y \u0111\u1ec3 l\u01b0u b\u1ea5t k\u1ef3 d\u1eef li\u1ec7u JSON n\u00e0o v\u00e0o file.<\/p>\n\n\n\n
D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t class PHP c\u00f3 ch\u1ee9a c\u1ea3 hai h\u00e0m read_json_file()<\/code> v\u00e0 save_json_file()<\/code>:<\/p>\n\n\n\nclass JsonFile {\n public function read_json_file($file_path) {\n $data = file_get_contents($file_path);\n $json_data = json_decode($data, true);\n return $json_data;\n }\n\n public function save_json_file($file_path, $data) {\n $json_string = json_encode($data, JSON_PRETTY_PRINT);\n file_put_contents($file_path, $json_string);\n }\n}\n<\/pre><\/div>\n\n\nB\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng class n\u00e0y \u0111\u1ec3 \u0111\u1ecdc v\u00e0 l\u01b0u d\u1eef li\u1ec7u JSON v\u00e0o file b\u1eb1ng c\u00e1ch t\u1ea1o m\u1ed9t \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ee7a class v\u00e0 sau \u0111\u00f3 g\u1ecdi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c read_json_file()<\/code> v\u00e0 save_json_file()<\/code>. V\u00ed d\u1ee5:<\/p>\n\n\n\n$json_file = new JsonFile();\n$json_data = $json_file->read_json_file('data.json');\n$json_file->save_json_file('data.json', $json_data);\n<\/pre><\/div>\n\n\n\u0110o\u1ea1n m\u00e3 n\u00e0y s\u1ebd \u0111\u1ecdc file data.json<\/code>, gi\u1ea3i m\u00e3 d\u1eef li\u1ec7u JSON trong file th\u00e0nh m\u1ed9t m\u1ea3ng PHP v\u00e0 sau \u0111\u00f3 l\u01b0u d\u1eef li\u1ec7u JSON trong m\u1ea3ng \u0111\u00f3 tr\u1edf l\u1ea1i file data.json<\/code>.<\/p>\n\n\n\nCh\u00fac c\u00e1c b\u1ea1n th\u00e0nh c\u00f4ng!<\/p>\n","protected":false},"excerpt":{"rendered":"
Ch\u00e0o c\u00e1c b\u1ea1n, trong b\u00e0i h\u01b0\u1edbng d\u1eabn n\u00e0y ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1c b\u1ea1n th\u1ef1c hi\u1ec7n \u0111\u1ecdc v\u00e0 l\u01b0u […]<\/p>\n","protected":false},"author":6,"featured_media":7580,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[212],"tags":[],"class_list":["post-7578","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php-thu-thuat"],"views":843,"_links":{"self":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/7578","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/comments?post=7578"}],"version-history":[{"count":5,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/7578\/revisions"}],"predecessor-version":[{"id":7741,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/7578\/revisions\/7741"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/media\/7580"}],"wp:attachment":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/media?parent=7578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/categories?post=7578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/tags?post=7578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}