The document discusses clean architecture principles and their application to Laravel PHP framework development. It describes how to separate an application into independent layers including entities, use cases, interfaces, and data access objects. It provides code examples of implementing repositories and dependency injection using Laravel service providers to adhere to clean architecture and dependency rules. The goal is to build maintainable and testable applications by decoupling layers and controlling dependencies between them.
29. package foo;
import bar;
class Foo {
bar.Bar x;
function doFoo() {
x.process();
}
}
29
package bar;
class Bar {
function process() {
// do something...
}
}
30. package foo;
import bar;
class Foo {
bar.Bar x;
function doFoo() {
x.process();
}
}
30
package bar;
class Bar {
function process() {
// do something...
}
}
foo bar = foo → bar
31. package foo;
import bar;
class Foo {
bar.Bar x;
function doFoo() {
x.process();
}
}
31
package bar;
class Bar {
function process() {
// do something...
}
}
foo bar = foo → bar
32. package foo;
import bar;
class Foo {
bar.Bar x;
function doFoo() {
x.process();
}
}
32
package bar;
class Bar {
function process() {
// do something...
}
}
foo → bar
foo → bar
33. package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
33
package bar;
import foo;
class Bar implements foo.Buz {
function process() {
// do something...
}
}
34. package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
34
package bar;
import foo;
class Bar implements foo.Buz {
function process() {
// do something...
}
}
35. package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
35
package bar;
import foo;
class Bar implements foo.Buz {
function process() {
// do something...
}
}
foo bar = foo → bar
36. package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
36
package bar;
import foo;
class Bar implements foo.Buz {
function process() {
// do something...
}
}
bar foo = foo ← bar
37. package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
37
package bar;
import foo;
class Bar implements foo.Buz {
function process() {
// do something...
}
}
foo → bar
foo ← bar
72. package foo;
class Foo {
Buz x;
function doFoo() {
x.process();
}
}
interface Buz {
function process();
}
72
package bar;
import foo;
class Bar implements foo.Buz {
function process() {
// do something...
}
}