Solution: Juan Francisco Solano

01-classes.php

@@ -1,21 +1,8 @@
 <?php
-//======================================================================
-// ASSEMBLER SCHOOL - PHP Object Oriented Programming
-//======================================================================
 
-/* File 01 - Classes */
+    // Define a class in PHP
+    class User {
 
-// To create classes we use reserved word class.
-class Mobile
-{
-}
+    }
 
-// We can instantitate classes like this
-$modernMobile = new Mobile();
-$oldMobile = new Mobile();
-
-// we can use var_dump so we can visualize our new class objects
-
-var_dump($modernMobile);
-echo "<br>";
-var_dump($oldMobile);
+?>

02-properties.php

@@ -1,50 +1,24 @@
 <?php
-//======================================================================
-// ASSEMBLER SCHOOL - PHP Object Oriented Programming
-//======================================================================
 
-/* File 02 - Properties */
+    class User{
+        // public, can be accessed from everywhere
+        public string $name = 'Juan';
 
-// classes have properties that contain information about that object defined by the class
-class Mobile {
-    public $name; // Public makes sure we can access this properties outside the class.
-    public $chipset;
-    public $internalMemory;
-}
+        // protected, can be accessed only with the class by inheriting or from parent classes
+        protected string $lastName = 'Solano';
 
-$modernMobile = new Mobile();
+        // private, can only be accessed by the class that defines the member
+        private int $age = 36;
+    }
 
-// in OOP and PHP we use the arrow operator ( -> ) for accessing properties
+    $user = new User();
+    var_dump($user);
+    echo '<br><br>';
+    echo $user->name;
+    echo '<br><br>';
+    // lastName and Age give errors for protected and private, except with var_dump and Class
+    echo $user->lastName;
+    echo '<br><br>';
+    echo $user->age;
 
-// we can assign those public properties in our class with this syntax
-$modernMobile->name = "Samsung s20";
-$modernMobile->chipset = "Exynos";
-$modernMobile->internalMemory = 128;
-
-echo "<br>";
-
-// we can also access properties value by the arrow operator
-echo $modernMobile->chipset;
-
-// what happens if we assign a non existing value or a wrong value?
-$modernMobile->ramMemory = 1;
-$modernMobile->internMemory = 8;
-
-echo "<pre>";
-var_dump($modernMobile);
-echo "</pre>";
-
-echo "<br>";
-
-//-----------------------------------------------------
-// arrow operator is unique in objects and must not be
-// confused with double arrow operator used in arrays
-//-----------------------------------------------------
-
-// this is an example using an array and double arrow operators
-$mobileArray = [
-    'name' => 'Xiaomi Mi10',
-    'chipset' => 'Snapdragon',
-    'internalMemory' => 64
-];
-echo $mobileArray['chipset'];
+?>

03-Constant-static.php

@@ -0,0 +1,33 @@
+<?php
+
+    class User{
+        // CONST cant be variable, property or function call
+        const USER_ROLE = 'user';
+
+        private string $name = 'Juan';
+        private string $lastName = 'Solano';
+        private int $age = 36;
+
+        // STATIC must be declared ClassName::$var;
+        public static string $userPrefix = 'ES-2022_';
+
+
+    }
+
+    $user = new User();
+
+    echo '<pre>';
+    var_dump($user);
+    echo '</pre>';
+
+    echo '<br><br>';
+
+    // echo $user->name;
+    // echo '<br><br>';
+    // echo $user->lastName;
+    // echo '<br><br>';
+    echo User::USER_ROLE;
+    echo '<br><br>';
+    echo User::$userPrefix;
+
+?>

04.a-Constructors.php

@@ -0,0 +1,19 @@
+<?php
+
+    class User {
+        const ONLINE = 'Active';
+        private string $name = 'Juan';
+        private string $lastName = 'Solano';
+        private int $age = 36;
+
+        // CONSTRUCTOR   ->     @param string $name
+        //                      $this->name = $name;
+
+        public function __construct(string $name, string $lastName, int $age) {
+            $this->name = $name;
+            $this->lastName = $lastName;
+            $this->age = $age;
+        }
+    }
+
+?>

04.b-Destructors.php

@@ -0,0 +1,24 @@
+<?php
+
+    class User {
+        const USER_PATH = './prueba/hola.json';
+        private string $name = 'Juan';
+        private string $lastName = 'Solano';
+        private int $age = 36;
+
+        // CONSTRUCTOR   ->     @param string $name
+        //                      $this->name = $name;
+
+        public function __construct(string $name, string $lastName, int $age) {
+            $this->name = $name;
+            $this->lastName = $lastName;
+            $this->age = $age;
+        }
+
+        public function __destruct() {
+            unlink(self::USER_PATH . 'hola.json');
+        }
+
+    }    
+
+?>

05-Methods.php

@@ -0,0 +1,31 @@
+<?php
+
+    class User {
+        const USER_ROLE = 'user';
+
+        private $name = 'Juan';
+        private $lastName = 'Solano';
+        private $age = '36';
+
+        public function setName($name) {
+            $this->name = $name;
+            return $this;
+        }
+
+        public function getName() {
+            return $this->name;
+        }
+
+        public static function getPermissions() {
+            return ['read',
+                    'write'
+            ];
+        }
+    }
+
+    $user = new User();
+    echo $user->getName();
+    echo '<br><br>';
+    print_r(User::getPermissions());
+
+?>

06-Inheritance.php

@@ -0,0 +1,24 @@
+<?php
+
+    class User {
+        const USER_ROLE = 'user';
+
+        protected string $name;
+        protected string $lastName;
+        protected int $age;
+        private string $NickName;
+    }
+
+    // Class Admin can access to User properties like name, lastName and age because are protected, but nickName are private and cant access
+    // and add $resources only available for Admin
+
+    class Admin extends User {
+        const USER_ROLE = 'Admin';
+        private array $resources = [
+            '/users/management',
+            '/users/emails',
+            '/users/files',
+        ];
+    }
+
+?>