added text manipulation

Tests/TextManipulation15Test.php

@@ -0,0 +1,30 @@
+<?php
+class TextManipulation15Test extends PHPUnit_Framework_TestCase
+{
+
+    public function dataProvider()
+    {
+        return [
+            [
+                'Java is a server-side scripting language. Java code can be simply mixed with HTML code. After the Java code is interpreted and executed, the web server sends resulting output to its client.',
+                'After The Php Code Is Interpreted And Executed, The Web Server Sends Resulting Output To Its Client.<br/>Php Code Can Be Simply Mixed With Html Code.<br/>Php Is A Server-side Scripting Language.'
+            ],
+            [
+                'CakeJava is a popular Java framework.',
+                'Cakephp Is A Popular Php Framework.'
+            ]
+        ];
+    }
+
+    /**
+     * @dataProvider dataProvider
+     * @param string $input
+     * @param string $expected
+     */
+    public function test_can_valid($input, $expected)
+    {
+        $this->assertEquals($expected, TextManipulation15::test($input));
+    }
+
+}
+

src/TextManipulation15.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: lsv
+ * Date: 9/4/14
+ * Time: 1:35 PM
+ */
+
+class TextManipulation15
+{
+
+    static public function test($input)
+    {
+        $input = strtolower($input);
+        $input = preg_split('/\s+/', $input);
+        foreach($input as &$i) {
+            $i = ucfirst($i);
+        }
+        $input = join(' ', $input);
+
+        $input = str_replace('Java', 'Php', $input);
+        $input = str_replace('java', 'php', $input);
+        $input = str_replace('.', '<br/>', $input);
+
+        $input = preg_split('/<br\/>/', $input, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_OFFSET_CAPTURE);
+        $input = array_reverse(array_filter(array_map('trim', $input)));
+        $input = join('.<br/>', $input) . '.';
+        return $input;
+    }
+
+}