The PHP Professional

Author: navjotsinghprince

PHP A to Z OOPS/Namespaces/index.php

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+<?php
+//Both of these files contain classes with the same name, which we cannot include.
+//Now, we will use namespaces so that we can include both classes with the same name and use their functions.
+
+require "product.php";
+require "testing.php";
+
+function wow()
+{
+echo "Wow From Index file\n";
+}
+
+#To call a function of a particular class, 
+//$obj=new pro\Product(); 
+//$obj1=new test\Product();
+
+
+// $obj->Myfunc();
+// $obj1->Myfunc();
+
+#Call Same name function from different-2 namespaces 
+// wow();
+// pro\wow();
+// test\wow();
+
+//we can make object of "\test\Product" and call its methods
+//$obj=new pro\Product();
+
+
+
+#Long Namespaces Usage:-
+//$obj=new pro\version_1\command\myname3\Product(); 
+
+#If you need to create a large number of objects with long names, you can use this approach.
+use pro\version_1\command\myname3 as mycmd;
+
+$obj = new mycmd\Product();

PHP A to Z OOPS/Namespaces/product.php

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+<?php
+//This class is in namespace.
+namespace pro\version_1\command\myname3; //First way to declare namespace
+
+class Product
+{
+public function Myfunc()
+{
+echo "Message:- Product Class\n";
+}
+
+public function __construct()
+{
+
+$test = new \test\Product(); //we can make object of "\test\Product" and call its methods
+
+$test->Myfunc();
+}
+}
+
+function wow()
+{
+echo "Wow From product file\n";
+}

PHP A to Z OOPS/Namespaces/testing.php

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+<?php
+
+namespace test { //Second way to declare namespace
+
+class Product
+{
+public function Myfunc()
+{
+echo "Message:- Testing Class\n";
+}
+}
+
+function wow()
+{
+echo "Wow From Testing file\n";
+}
+}