{"id":98,"date":"2024-03-22T07:01:52","date_gmt":"2024-03-22T07:01:52","guid":{"rendered":"http:\/\/localhost\/w643\/?p=98"},"modified":"2024-03-25T07:37:37","modified_gmt":"2024-03-25T07:37:37","slug":"bai-5-service-container-phan-2","status":"publish","type":"post","link":"https:\/\/blog.hnk90.com\/?p=98","title":{"rendered":"B\u00e0i 5. Service Container \u2013 Ph\u1ea7n 2 – Simple And Singleton"},"content":{"rendered":"\n

B\u00e0i n\u00e0y kh\u00e1 d\u00e0i n\u00ean \u0111\u00e1nh m\u1ee5c l\u1ee5c cho ti\u1ec7n theo d\u00f5i nh\u00e9 c\u00e1c b\u1ea1n<\/p>\n\n\n\n

I. Zero Configuration Resolution
II. Binding<\/p>\n\n\n\n

    \n
  1. Basic Binding
    1.1 Simple Binding
    1.2 Binding a Singleton
    1.3 Binding Scoped Singletons
    1.4 Binding Instances<\/li>\n\n\n\n
  2. Binding Interfaces to Implementations<\/li>\n\n\n\n
  3. Contextual Binding<\/li>\n\n\n\n
  4. Binding Primitives<\/li>\n\n\n\n
  5. Binding Typed Variadics
    5.1 Variadic Tag Dependencies<\/li>\n\n\n\n
  6. Tagging<\/li>\n\n\n\n
  7. Extending Bindings<\/li>\n<\/ol>\n\n\n\n

    III. Resolving<\/p>\n\n\n\n

    \n\n\n\n

    Oke, let’s go.<\/p>\n\n\n\n

    B\u00e0i n\u00e0y ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u xem Laravel x\u1eed l\u00fd c\u00e1c dependences nh\u01b0 th\u1ebf n\u00e0o nh\u00e9.
    Xem v\u00ed d\u1ee5 gi\u1edbi thi\u1ec7u c\u1ee7a Laravel d\u01b0\u1edbi \u0111\u00e2y<\/p>\n\n\n\n

    <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
    <?<\/span>php<\/span><\/span>\n <\/span><\/span>\nnamespace<\/span> <\/span>App<\/span>\\<\/span>Http<\/span>\\<\/span>Controllers<\/span>;<\/span><\/span>\n <\/span><\/span>\nuse<\/span> <\/span>App<\/span>\\<\/span>Http<\/span>\\<\/span>Controllers<\/span>\\<\/span>Controller<\/span>;<\/span><\/span>\nuse<\/span> <\/span>App<\/span>\\<\/span>Repositories<\/span>\\<\/span>UserRepository<\/span>;<\/span><\/span>\nuse<\/span> <\/span>App<\/span>\\<\/span>Models<\/span>\\<\/span>User<\/span>;<\/span><\/span>\nuse<\/span> <\/span>Illuminate<\/span>\\<\/span>View<\/span>\\<\/span>View<\/span>;<\/span><\/span>\n <\/span><\/span>\nclass<\/span> <\/span>UserController<\/span> <\/span>extends<\/span> <\/span>Controller<\/span><\/span>\n{<\/span><\/span>\n    <\/span>\/**<\/span><\/span>\n     * Create a new controller instance.<\/span><\/span>\n     *\/<\/span><\/span>\n    <\/span>public<\/span> <\/span>function<\/span> <\/span>__construct<\/span>(<\/span><\/span>\n        <\/span>protected<\/span> <\/span>UserRepository<\/span> <\/span>$users<\/span>,<\/span><\/span>\n    <\/span>)<\/span> <\/span>{}<\/span><\/span>\n <\/span><\/span>\n    <\/span>\/**<\/span><\/span>\n     * Show the profile for the given user.<\/span><\/span>\n     *\/<\/span><\/span>\n    <\/span>public<\/span> <\/span>function<\/span> <\/span>show<\/span>(<\/span>string<\/span> <\/span>$id<\/span>)<\/span>:<\/span> View<\/span><\/span>\n    <\/span>{<\/span><\/span>\n        <\/span>$user<\/span> <\/span>=<\/span> <\/span>$this<\/span>-><\/span>users<\/span>-><\/span>find<\/span>(<\/span>$id<\/span>)<\/span>;<\/span><\/span>\n <\/span><\/span>\n        <\/span>return<\/span> <\/span>view<\/span>(<\/span>'<\/span>user.profile<\/span>'<\/span>,<\/span> [<\/span>'<\/span>user<\/span>'<\/span> <\/span>=><\/span> <\/span>$user<\/span>])<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
    <\/p>\n\n\n\n
    Hi\u1ec3u \u0111\u01a1n gi\u00e0n l\u00e0 UserController \u0111ang inject UserRepository v\u00e0o h\u00e0m __construct(), v\u00e0 d\u00f9ng n\u00f3 \u0111\u1ec3 truy xu\u1ea5t th\u00f4ng tin c\u1ee7a user<\/p>\n\n\n\n
    <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
    $user<\/span> <\/span>=<\/span> <\/span>$this<\/span>-><\/span>users<\/span>-><\/span>find<\/span>(<\/span>$id<\/span>)<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
    <\/p>\n\n\n\n
    Nh\u01b0 v\u1eady, ch\u1eb3ng c\u1ea7n quan t\u00e2m UserRepository – b\u1ea3n th\u00e2n n\u00f3 c\u00f3 nh\u1eefng s\u1ef1 ph\u1ee5 thu\u1ed9c n\u00e0o, n\u1ebfu mu\u1ed1n s\u1eed d\u1ee5ng, ch\u1ec9 c\u1ea7n inject v\u00e0o constructor c\u1ee7a UserController v\u00e0 s\u1eed d\u1ee5ng th\u00f4i. V\u00ec \u0111\u01a1n gi\u1ea3n UserRepository \u0111\u00e3 \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1edfi Service Container – M\u1ed9t c\u00f4ng c\u1ee5 t\u1ed1i quan tr\u1ecdng, ph\u1ed5 bi\u1ebfn trong Laravel.<\/p>\n\n\n\n
    Ti\u1ebfp theo, tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u l\u00e0m th\u1ebf n\u00e0o Laravel l\u00e0m \u0111i\u1ec1u \u0111\u00f3 nh\u01b0 th\u1ebf n\u00e0o, ch\u00fang ta s\u1ebd hi\u1ec3u v\u1ec1 “Zero Configuration Resolution”<\/p>\n\n\n\n
    I. Zero Configuration Resolution<\/strong><\/p>\n\n\n\n
    Google d\u1ecbch “\u0110\u1ed9 ph\u00e2n gi\u1ea3i c\u1ea7u h\u00ecnh b\u1eb1ng 0” :D. Hi\u1ec3u n\u00f4m na l\u00e0 c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 inject c\u00e1c dependences m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i khai b\u00e1o hay c\u1ea5u h\u00ecnh g\u00ec c\u1ea3. <\/p>\n\n\n\n
    Theo Laravel: b\u1ea1n c\u00f3 th\u1ec3 inject t\u00f9y \u00fd c\u00e1c classes m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i khai b\u00e1o\/c\u1ea5u h\u00ecnh, c\u00e1c classes n\u00e0y ph\u1ea3i thu\u1ed9c dang kh\u00f4ng c\u00f3 s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c classes kh\u00e1c, ho\u1eb7c ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c classes concrete (t\u1ee9c l\u00e0 class kh\u00f4ng ph\u1ea3i interface)
    Xem v\u00ed d\u1ee5 sau:<\/p>\n\n\n\n
    <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
    class<\/span> <\/span>Service<\/span><\/span>\n{<\/span><\/span>\n    <\/span>\/\/ \u0111\u00e2y l\u00e0 m\u1ed9t class kh\u00f4ng c\u00f3 ph\u1ee5 thu\u1ed9c, ho\u1eb7c ch\u1ec9 ph\u1ee5 thu\u1ed9c concrete classes.<\/span><\/span>\n}<\/span><\/span>\n<\/span>\n\/\/ N\u00ean kh\u00f4ng c\u1ea7n ph\u1ea3i c\u1ea5u h\u00ecnh, c\u00e1c b\u1ea1n c\u00f3 th\u1ec3 inject m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean khi c\u1ea7n.<\/span><\/span>\nRoute<\/span>:<\/span>:<\/span>get<\/span>(<\/span>'<\/span>\/<\/span>'<\/span>,<\/span> <\/span>function<\/span> <\/span>(<\/span>Service<\/span> <\/span>$service<\/span>)<\/span> <\/span>{<\/span><\/span>\n    <\/span>die<\/span>(<\/span>$service<\/span>::<\/span>class<\/span>)<\/span>;<\/span><\/span>\n}<\/span>)<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
    <\/p>\n\n\n\n
    Nh\u01b0 v\u1eady, khi inject c\u00e1c classes interface ho\u1eb7c classes c\u00f3 s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o interface th\u00ec c\u00e1c b\u1ea1n s\u1ebd c\u1ea7n ph\u1ea3i khai b\u00e1o \/ c\u1ea5u h\u00ecnh cho Service Container bi\u1ebft. Trong Laravel, \u0111\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y, ch\u00fang ta s\u1ebd l\u00e0m quen v\u1edbi kh\u00e1i ni\u1ec7m “Binding”<\/p>\n\n\n\n
    II. Binding<\/strong><\/p>\n\n\n\n
    Binding l\u00e0 kh\u00e1i ni\u1ec7m ch\u1ec9 s\u1ef1 \u0111\u0103ng k\u00fd s\u1ef1 ph\u1ee5 thu\u1ed9c. <\/p>\n\n\n\n
    Trong ph\u1ea7n n\u00e0y ch\u00fang ta s\u1ebd l\u1ea7n l\u01b0\u1ee3t l\u00e0m quen v\u1edbi<\/p>\n\n\n\n
      \n
    • Basic Binding
      – Simple Binding
      – Binding a singleton
      – Binding Scoped Singletons
      – Binding Instances<\/li>\n\n\n\n
    • Binding Interfaces to Implementations<\/li>\n\n\n\n
    • Contextual Binding<\/li>\n\n\n\n
    • Binding Primitives<\/li>\n\n\n\n
    • Binding Typed Variadics
      – Variadic Tag Dependencies<\/li>\n\n\n\n
    • Tagging<\/li>\n\n\n\n
    • Extending Bindings<\/li>\n<\/ul>\n\n\n\n
      N\u00f3i chung kh\u00e1 l\u00e0 d\u00e0i nh\u01b0ng \u0111\u1eebng lo, ch\u00fang ta s\u1ebd \u0111i m\u1ed9t c\u00e1ch chi ti\u1ebft v\u00e0 t\u1eeb t\u1ed1n nh\u00e9 =)).<\/p>\n\n\n\n
      \u0110\u1ea7u ti\u00ean h\u00e3y l\u00e0m quen v\u1edbi c\u00e1c Basic Binding nh\u00e9.<\/p>\n\n\n\n
      1. Basic Binding<\/strong><\/p>\n\n\n\n
      1.1 Simple Binding<\/strong><\/p>\n\n\n\n
      – C\u00e1c b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y trong Service Providers (Ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u c\u1ee5 th\u1ec3 Service Providers l\u00e0 g\u00ec sau nh\u00e9, gi\u1edd c\u1ee9 hi\u1ec3u n\u00f4m na n\u00f3 l\u00e0 m\u1ed9t ph\u1ea7n r\u1ea5t quan tr\u1ecdng khi lifecycle chuy\u1ec3n h\u01b0\u1edbng t\u1eeb Kernel t\u1edbi Service Providers, r\u1ed3i t\u1edbi router…)
      \u0110\u1ec3 truy xu\u1ea5t t\u1edbi Service Contrainer (T\u1eeb gi\u1edd g\u1ecdi t\u1eaft l\u00e0 Container cho nhanh nh\u00e9) trong Service Providers th\u00ec d\u00f9ng $this->app nh\u00e9
      V\u00ed d\u1ee5: <\/p>\n\n\n\n
      <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
      use<\/span> <\/span>App<\/span>\\<\/span>Services<\/span>\\<\/span>Transistor<\/span>;<\/span><\/span>\nuse<\/span> <\/span>App<\/span>\\<\/span>Services<\/span>\\<\/span>PodcastParser<\/span>;<\/span><\/span>\nuse<\/span> <\/span>Illuminate<\/span>\\<\/span>Contracts<\/span>\\<\/span>Foundation<\/span>\\<\/span>Application<\/span>;<\/span><\/span>\n<\/span>\n\/*<\/span><\/span>\n* H\u00e0m bind d\u01b0\u1edbi \u0111\u00e2y g\u1ed3m 2 tham s\u1ed1<\/span><\/span>\n* Tham s\u1ed1 \u0111\u1ea7u ti\u00ean l\u00e0 Transistor::class, \u0111i\u1ec1u n\u00e0y ch\u1ec9 ra r\u1eb1ng b\u1ea1n \u0111ang \u0111\u0103ng k\u00fd class n\u00e0y v\u00e0o Container<\/span><\/span>\n* Tham s\u1ed1 th\u1ee9 2 l\u00e0 m\u1ed9t Closure function<\/span><\/span>\n* H\u00e0m n\u00e0y tr\u1ea3 v\u1ec1 instace c\u1ee7a Transitor<\/span><\/span>\n* Tham s\u1ed1 truy\u1ec1n v\u00e0o l\u00e0 $app->make(PodcastParser::class)<\/span><\/span>\n* Th\u1ef1c ra \u0111\u00e2y l\u00e0 c\u00e1ch Container resolve (n\u00f4m na l\u00e0 g\u1ecdi ra) m\u1ed9t class \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd trong Container tr\u01b0\u1edbc \u0111\u00f3<\/span><\/span>\n*\/<\/span><\/span>\n$this<\/span>-><\/span>app<\/span>-><\/span>bind<\/span>(<\/span>Transistor<\/span>::<\/span>class<\/span>,<\/span> <\/span>function<\/span> <\/span>(<\/span>Application<\/span> <\/span>$app<\/span>)<\/span> <\/span>{<\/span><\/span>\n    <\/span>return<\/span> <\/span>new<\/span> <\/span>Transistor<\/span>(<\/span>$app<\/span>-><\/span>make<\/span>(<\/span>PodcastParser<\/span>::<\/span>class<\/span>))<\/span>;<\/span><\/span>\n}<\/span>)<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
      <\/p>\n\n\n\n
      – C\u00e1c b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 binding ngo\u00e0i Service Providers, \u0111\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y th\u00ec s\u1eed d\u1ee5ng App Thay v\u00ec 
      $this->app nh\u00e9 <\/p>\n\n\n\n
      V\u00ed d\u1ee5: <\/p>\n\n\n\n
      <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
      use<\/span> <\/span>App<\/span>\\<\/span>Services<\/span>\\<\/span>Transistor<\/span>;<\/span><\/span>\nuse<\/span> <\/span>Illuminate<\/span>\\<\/span>Contracts<\/span>\\<\/span>Foundation<\/span>\\<\/span>Application<\/span>;<\/span><\/span>\nuse<\/span> <\/span>Illuminate<\/span>\\<\/span>Support<\/span>\\<\/span>Facades<\/span>\\<\/span>App<\/span>;<\/span><\/span>\n <\/span><\/span>\nApp<\/span>:<\/span>:<\/span>bind<\/span>(<\/span>Transistor<\/span>::<\/span>class<\/span>,<\/span> <\/span>function<\/span> <\/span>(<\/span>Application<\/span> <\/span>$app<\/span>)<\/span> <\/span>{<\/span><\/span>\n    <\/span>\/\/ ...<\/span><\/span>\n}<\/span>)<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
      <\/p>\n\n\n\n
      1.2 Binding a singleton<\/strong><\/p>\n\n\n\n
      C\u00e1ch bind nh\u01b0 sau<\/p>\n\n\n\n
      <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
      use<\/span> <\/span>App<\/span>\\<\/span>Services<\/span>\\<\/span>Transistor<\/span>;<\/span><\/span>\nuse<\/span> <\/span>App<\/span>\\<\/span>Services<\/span>\\<\/span>PodcastParser<\/span>;<\/span><\/span>\nuse<\/span> <\/span>Illuminate<\/span>\\<\/span>Contracts<\/span>\\<\/span>Foundation<\/span>\\<\/span>Application<\/span>;<\/span><\/span>\n <\/span><\/span>\n$this<\/span>-><\/span>app<\/span>-><\/span>singleton<\/span>(<\/span>Transistor<\/span>::<\/span>class<\/span>,<\/span> <\/span>function<\/span> <\/span>(<\/span>Application<\/span> <\/span>$app<\/span>)<\/span> <\/span>{<\/span><\/span>\n    <\/span>return<\/span> <\/span>new<\/span> <\/span>Transistor<\/span>(<\/span>$app<\/span>-><\/span>make<\/span>(<\/span>PodcastParser<\/span>::<\/span>class<\/span>))<\/span>;<\/span><\/span>\n}<\/span>)<\/span>;<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
      <\/p>\n\n\n\n
      \u0110\u01a1n gi\u1ea3n l\u00e0 ch\u1ec9 d\u00f9ng h\u00e0m singleton thay v\u00ec h\u00e0m bind th\u00f4i.<\/p>\n\n\n\n
      Khi binding v\u1edbi singleton, th\u00ec trong m\u1ecdi l\u1ea7n g\u1ecdi t\u1edbi Container, c\u00e1c instance object s\u1ebd l\u00e0 nh\u01b0 nhau. N\u00f3 kh\u00e1c v\u1edbi simple binding, simple binding s\u1ebd lu\u00f4n t\u1ea1o instance object m\u1edbi m\u1ed7i khi g\u1ecdi t\u1edbi Container. 
      Xem v\u00ed d\u1ee5 sau s\u1ebd r\u00f5 h\u01a1n nh\u00e9<\/p>\n\n\n\n
      Ta c\u00f3 m\u1ed9t class \u0111\u01a1n gi\u1ea3n<\/p>\n\n\n\n
      <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
      <?<\/span>php<\/span><\/span>\n<\/span>\nnamespace<\/span> <\/span>App<\/span>\\<\/span>Support<\/span>;<\/span><\/span>\n<\/span>\nclass<\/span> <\/span>TestClass<\/span><\/span>\n{<\/span><\/span>\n    <\/span>protected<\/span> $value <\/span>=<\/span> <\/span>0<\/span>;<\/span><\/span>\n<\/span>\n    <\/span>public<\/span> <\/span>function<\/span> <\/span>increase<\/span>()<\/span><\/span>\n    <\/span>{<\/span><\/span>\n        <\/span>\/\/ T\u0103ng gi\u00e1 tr\u1ecb l\u00ean 1 \u0111\u01a1n v\u1ecb<\/span><\/span>\n        <\/span>$this<\/span>-><\/span>value<\/span>++;<\/span><\/span>\n<\/span>\n        <\/span>return<\/span> <\/span>$this<\/span>-><\/span>value<\/span>;<\/span><\/span>\n    <\/span>}<\/span><\/span>\n}<\/span><\/span>\n<\/span><\/code><\/pre><\/div>\n\n\n\n
      <\/p>\n\n\n\n
      Ta d\u00f9ng Bind Simple<\/p>\n\n\n\n
      <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
      \/\/ test1 l\u00e0 t\u00ean t\u00f9y \u0111\u1eb7t, sau n\u00e0y g\u1ecdi instance ra th\u00ec c\u00e1c b\u1ea1n d\u00f9ng test1<\/span><\/span>\n$this<\/span>-><\/span>app<\/span>-><\/span>bind<\/span>(<\/span><\/span>\n    <\/span>'<\/span>test1<\/span>'<\/span>,<\/span><\/span>\n    \\<\/span>App<\/span>\\<\/span>Support<\/span>\\<\/span>TestClass<\/span>::<\/span>class<\/span><\/span>\n);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
      <\/p>\n\n\n\n
      Gi\u1edd m\u00ecnh create instance (T\u1eeb b\u00e2y gi\u1edd g\u1ecdi l\u00e0 resolve cho nhanh nh\u00e9) v\u00e0 g\u1ecdi t\u1edbi h\u00e0m increase <\/p>\n\n\n\n
      <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
      app<\/span>(<\/span>'<\/span>test1<\/span>'<\/span>)<\/span>-><\/span>increase<\/span>() <\/span>\/\/ tr\u1ea3 v\u1ec1 gi\u00e1 tr\u1ecb l\u00e0 1<\/span><\/span>\napp<\/span>(<\/span>'<\/span>test1<\/span>'<\/span>)<\/span>-><\/span>increase<\/span>() <\/span>\/\/ tr\u1ea3 v\u1ec1 gi\u00e1 tr\u1ecb l\u00e0 1<\/span><\/span>\napp<\/span>(<\/span>'<\/span>test1<\/span>'<\/span>)<\/span>-><\/span>increase<\/span>() <\/span>\/\/ tr\u1ea3 v\u1ec1 gi\u00e1 tr\u1ecb l\u00e0 1<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
      <\/p>\n\n\n\n
      Nh\u01b0 v\u1eady, gi\u00e1 tr\u1ecb tr\u1ea3 v\u1ec1 lu\u00f4n l\u00e0 1, do Simple Bind lu\u00f4n lu\u00f4n “t\u1ea1o m\u1edbi” (gi\u1edd g\u1ecdi l\u00e0 constructed cho nhanh nh\u00e9).<\/p>\n\n\n\n
      Gi\u1edd th\u1eed d\u00f9ng Bind a Singleton<\/p>\n\n\n\n
      <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
      $this<\/span>-><\/span>app<\/span>-><\/span>singleton<\/span>(<\/span><\/span>\n    <\/span>'<\/span>test2<\/span>'<\/span>,<\/span><\/span>\n    \\<\/span>App<\/span>\\<\/span>Support<\/span>\\<\/span>TestClass<\/span>::<\/span>class<\/span><\/span>\n);<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
      <\/p>\n\n\n\n
      Ti\u1ebfp theo th\u1eed resolve<\/p>\n\n\n\n
      <\/circle><\/circle><\/circle><\/g><\/svg><\/span><\/path><\/path><\/svg><\/span>
      app<\/span>(<\/span>'<\/span>test2<\/span>'<\/span>)<\/span>-><\/span>increase<\/span>() <\/span>\/\/ tr\u1ea3 v\u1ec1 gi\u00e1 tr\u1ecb l\u00e0 1<\/span><\/span>\napp<\/span>(<\/span>'<\/span>test2<\/span>'<\/span>)<\/span>-><\/span>increase<\/span>() <\/span>\/\/ tr\u1ea3 v\u1ec1 gi\u00e1 tr\u1ecb l\u00e0 2<\/span><\/span>\napp<\/span>(<\/span>'<\/span>test2<\/span>'<\/span>)<\/span>-><\/span>increase<\/span>() <\/span>\/\/ tr\u1ea3 v\u1ec1 gi\u00e1 tr\u1ecb l\u00e0 3<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n
      <\/p>\n\n\n\n
      C\u00f3 ngh\u0129a l\u00e0 object ch\u1ec9 \u0111\u01b0\u1ee3c constructed m\u1ed9t l\u1ea7n duy nh\u1ea5t, c\u00e1c l\u1ea7n resolve sau gi\u1eef l\u1ea1i object instance \u0111\u00f3 c\u0169ng nh\u01b0 gi\u1eef l\u1ea1i tr\u1ea1ng th\u00e1i trong su\u1ed1t qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n.<\/p>\n\n\n\n
      Oke, b\u00e0i n\u00e0y t\u1ea1m th\u1eddi d\u1eebng l\u1ea1i \u1edf \u0111\u00e2y th\u00f4i, tr\u00e1nh t\u1ea9u h\u1ecfa nh\u1eadp ma.<\/p>\n\n\n\n
      H\u1eb9n c\u00e1c b\u1ea1n \u1edf b\u00e0i sau, ch\u00fang ta s\u1ebd \u0111i ti\u1ebfp c\u00e1c ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a Basic binding \ud83d\ude09<\/p>\n","protected":false},"excerpt":{"rendered":"
      B\u00e0i n\u00e0y kh\u00e1 d\u00e0i n\u00ean \u0111\u00e1nh m\u1ee5c l\u1ee5c cho ti\u1ec7n theo d\u00f5i nh\u00e9 c\u00e1c b\u1ea1n I. Zero Configuration ResolutionII. Binding III. Resolving Oke, let’s go. B\u00e0i n\u00e0y ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u xem Laravel x\u1eed l\u00fd c\u00e1c dependences nh\u01b0 th\u1ebf n\u00e0o nh\u00e9. Xem v\u00ed d\u1ee5 gi\u1edbi thi\u1ec7u c\u1ee7a Laravel d\u01b0\u1edbi \u0111\u00e2y Hi\u1ec3u \u0111\u01a1n gi\u00e0n l\u00e0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-98","post","type-post","status-publish","format-standard","hentry","category-laravel"],"_links":{"self":[{"href":"https:\/\/blog.hnk90.com\/index.php?rest_route=\/wp\/v2\/posts\/98","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.hnk90.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.hnk90.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.hnk90.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.hnk90.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=98"}],"version-history":[{"count":17,"href":"https:\/\/blog.hnk90.com\/index.php?rest_route=\/wp\/v2\/posts\/98\/revisions"}],"predecessor-version":[{"id":156,"href":"https:\/\/blog.hnk90.com\/index.php?rest_route=\/wp\/v2\/posts\/98\/revisions\/156"}],"wp:attachment":[{"href":"https:\/\/blog.hnk90.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=98"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.hnk90.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=98"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.hnk90.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=98"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}