port GildedRose Java version to PHP with PHPUnit test

php/phpunit.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/3.7/phpunit.xsd"
+	backupGlobals="false" 
+	bootstrap="test/bootstrap.php"
+	colors="false" 
+	strict="true" 
+	verbose="true">
+
+	<testsuites>
+		<testsuite name="AllTests">
+			<directory suffix="_test.php">test</directory>
+		</testsuite>
+	</testsuites>
+</phpunit>

php/src/gilded_rose.php

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+<?php
+
+class GildedRose {
+
+    private $items;
+
+    function __construct($items) {
+        $this->items = $items;
+    }
+
+    function update_quality() {
+        foreach ($this->items as $item) {
+            if ($item->name != 'Aged Brie' and $item->name != 'Backstage passes to a TAFKAL80ETC concert') {
+                if ($item->quality > 0) {
+                    if ($item->name != 'Sulfuras, Hand of Ragnaros') {
+                        $item->quality = $item->quality - 1;
+                    }
+                }
+            } else {
+                if ($item->quality < 50) {
+                    $item->quality = $item->quality + 1;
+                    if ($item->name == 'Backstage passes to a TAFKAL80ETC concert') {
+                        if ($item->sell_in < 11) {
+                            if ($item->quality < 50) {
+                                $item->quality = $item->quality + 1;
+                            }
+                        }
+                        if ($item->sell_in < 6) {
+                            if ($item->quality < 50) {
+                                $item->quality = $item->quality + 1;
+                            }
+                        }
+                    }
+                }
+            }
+            
+            if ($item->name != 'Sulfuras, Hand of Ragnaros') {
+                $item->sell_in = $item->sell_in - 1;
+            }
+            
+            if ($item->sell_in < 0) {
+                if ($item->name != 'Aged Brie') {
+                    if ($item->name != 'Backstage passes to a TAFKAL80ETC concert') {
+                        if ($item->quality > 0) {
+                            if ($item->name != 'Sulfuras, Hand of Ragnaros') {
+                                $item->quality = $item->quality - 1;
+                            }
+                        }
+                    } else {
+                        $item->quality = $item->quality - $item->quality;
+                    }
+                } else {
+                    if ($item->quality < 50) {
+                        $item->quality = $item->quality + 1;
+                    }
+                }
+            }
+        }
+    }
+}
+
+class Item {
+
+    public $name;
+    public $sell_in;
+    public $quality;
+
+    function __construct($name, $sell_in, $quality) {
+        $this->name = $name;
+        $this->sell_in = $sell_in;
+        $this->quality = $quality;
+    }
+
+    public function __toString() {
+        return "{$this->name}, {$this->sell_in}, {$this->quality}";
+    }
+
+}
+

php/test/bootstrap.php

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+<?php
+set_include_path(get_include_path() . PATH_SEPARATOR . __DIR__.'/../src');

php/test/gilded_rose_test.php

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+<?php
+
+require_once 'gilded_rose.php';
+
+class GildedRoseTest extends PHPUnit_Framework_TestCase {
+
+    function testFoo() {
+        $items = array(new Item("foo", 0, 0));
+        $gildedRose = new GildedRose($items);
+        $gildedRose->update_quality();
+        $this->assertEquals("fixme", $items[0]->name);
+    }
+
+}