autoload

BcMath.php

@@ -6,7 +6,7 @@
 
 use BcMath\Number;
 
-require "libs/Dollars.php";
+require "libs/autoload.php";
 
 function init(): Number {
         $num1 = new Number('2200');
@@ -16,7 +16,7 @@ function init(): Number {
         return $money;
 }
 
-$d = new Dollars();
+$d = new libs\Dollars();
 $c = init();
 echo $d->formatAsUSD($c);
 echo "\n";

LazyCollection.php

@@ -1,8 +1,8 @@
 <?php
 
-require "libs/LazyCollection.php";
+require "libs/autoload.php";
 
-$lazyCollection = LazyCollection::make(function () {
+$lazyCollection = libs\LazyCollection::make(function () {
     try {
         $handle = fopen('huge.txt', 'r');
         if (!$handle) throw new Exception("Could not open file");

LazyObject.php

@@ -1,22 +1,12 @@
 <?php
 
-require "libs/LazyObject.php";
+require "libs/autoload.php";
 
-class MyClass {
-    public function __construct(public int $num) {}
-    public function someMethod() {
-        return $this->num;
-    }
-}
-
-class Example2 {
-   public function hi() { echo "Hi!"; }
-}
-
-$lazy = new LazyObject();
-$object = $lazy::proxy(MyClass::class, 301);
+$lazyA = new libs\LazyObject(ex\MyClass::class);
+$objectA = $lazyA->proxy(301);
 // The object is initialized only when accessed
-echo $object->someMethod() . "\n";
+echo $objectA->someMethod() . "\n";
 
-$objectB = $lazy::proxy(Example2::class);
+$lazyB = new libs\LazyObject(ex\Example2::class);
+$objectB = $lazyB->proxy();
 $objectB->hi();

ex/Example2.php

@@ -0,0 +1,6 @@
+<?php
+namespace ex;
+
+class Example2 {
+   public function hi() { echo "Hi!"; }
+}

ex/MyClass.php

@@ -0,0 +1,9 @@
+<?php
+namespace ex;
+
+class MyClass {
+    public function __construct(public int $num) {}
+    public function someMethod() {
+        return $this->num;
+    }
+}

libs/Dollars.php

@@ -1,4 +1,6 @@
 <?php
+namespace libs;
+
 use BcMath\Number;
 
 class Dollars {
@@ -14,7 +16,7 @@ class Dollars {
 
     public function intlUSD(Number $money): string {
         if (class_exists('NumberFormatter')) {
-            $formatter = new NumberFormatter('en_US', NumberFormatter::CURRENCY);
+            $formatter = new \NumberFormatter('en_US', \NumberFormatter::CURRENCY);
             return $formatter->formatCurrency($this->moneyAsFloat($money), 'USD');
         }
     }

libs/LazyCollection.php

@@ -1,11 +1,14 @@
 <?php
-class LazyCollection implements IteratorAggregate
+
+namespace libs;
+
+class LazyCollection implements \IteratorAggregate
 {
     protected $source;
 
     public function __construct($source = null)
     {
-        if ($source instanceof Closure || $source instanceof self) {
+        if ($source instanceof \Closure || $source instanceof self) {
             $this->source = $source;
         } elseif (is_null($source)) {
             $this->source = static::empty();
@@ -14,19 +17,19 @@ class LazyCollection implements IteratorAggregate
         }
     }
 
-    public function getIterator(): Traversable
+    public function getIterator(): \Traversable
     {
         return $this->makeIterator($this->source);
     }
 
     protected function makeIterator($source)
     {
-        if ($source instanceof Closure) {
+        if ($source instanceof \Closure) {
             $source = $source();
         }
 
         if (is_array($source)) {
-            return new ArrayIterator($source);
+            return new \ArrayIterator($source);
         }
 
         return $source;
@@ -34,7 +37,7 @@ class LazyCollection implements IteratorAggregate
 
     public static function make($source = null)
     {
-        return new static($source instanceof Closure ? $source() : $source);
+        return new static($source instanceof \Closure ? $source() : $source);
     }
 
     public function each(callable $callback)
@@ -52,7 +55,7 @@ class LazyCollection implements IteratorAggregate
     {
         if (is_array($items)) {
             return $items;
-        } elseif ($items instanceof Traversable) {
+        } elseif ($items instanceof \Traversable) {
             return iterator_to_array($items);
         } elseif (is_object($items) && method_exists($items, 'toArray')) {
             return $items->toArray();

libs/LazyObject.php

@@ -1,26 +1,24 @@
 <?php
+
+namespace libs;
+
 class LazyObject {
-    public static function proxy(string $className, mixed $c = null) {
+	public function __construct(public string $className) {}
+	
+    public function proxy(mixed ...$args) {
+        $className = $this->className;
         if (!class_exists($className, true)) {
-            throw new InvalidArgumentException("Class {$className} does not exist");
+            throw new \InvalidArgumentException("Class {$className} does not exist");
         }
-        $reflector = new ReflectionClass($className);
+        $reflector = new \ReflectionClass($className);
         if (!$reflector->isInstantiable()) {
-            throw new InvalidArgumentException("Class {$className} cannot be instantiated");
+            throw new \InvalidArgumentException("Class {$className} cannot be instantiated");
         }
-		$constructor = $reflector->getConstructor();
 
-        // If the class has a constructor with required parameters
-        if ($constructor && $constructor->getNumberOfRequiredParameters() > 0) {
-			$initializer = static function (mixed $i) use ($className) {
-				return new $className($i);
-			};
-			return $reflector->newLazyProxy(fn() => $initializer($c));
-		} else {
-			$initializer = static function () use ($className) {
-				return new $className();
+        $initializer = static function () use ($className, $args) {
+            return new $className(...$args);
         };
+        
         return $reflector->newLazyProxy($initializer);
     }
 }
-}

libs/autoload.php

@@ -0,0 +1,11 @@
+<?php
+spl_autoload_register(function ($className) {
+    // Project base directory
+    $baseDir = dirname(__DIR__,1) . '/';
+    // Replace namespace separator with directory separator
+    $file = $baseDir . str_replace('\\', '/', $className) . '.php';
+    // If the file exists, require it
+    if (file_exists($file)) {
+        require_once $file;
+    }
+});