Constructive description here

vendor/hamcrest/hamcrest-php/hamcrest/Hamcrest/Text/IsEqualIgnoringWhiteSpace.php

@@ -0,0 +1,66 @@
+<?php
+namespace Hamcrest\Text;
+
+/*
+ Copyright (c) 2009 hamcrest.org
+ */
+use Hamcrest\Description;
+use Hamcrest\TypeSafeMatcher;
+
+/**
+ * Tests if a string is equal to another string, ignoring any changes in
+ * whitespace.
+ */
+class IsEqualIgnoringWhiteSpace extends TypeSafeMatcher
+{
+
+    private $_string;
+
+    public function __construct($string)
+    {
+        parent::__construct(self::TYPE_STRING);
+
+        $this->_string = $string;
+    }
+
+    protected function matchesSafely($item)
+    {
+        return (strtolower($this->_stripSpace($item))
+                === strtolower($this->_stripSpace($this->_string)));
+    }
+
+    protected function describeMismatchSafely($item, Description $mismatchDescription)
+    {
+        $mismatchDescription->appendText('was ')->appendText($item);
+    }
+
+    public function describeTo(Description $description)
+    {
+        $description->appendText('equalToIgnoringWhiteSpace(')
+                                ->appendValue($this->_string)
+                                ->appendText(')')
+                                ;
+    }
+
+    /**
+     * Matches if value is a string equal to $string, regardless of whitespace.
+     *
+     * @factory
+     */
+    public static function equalToIgnoringWhiteSpace($string)
+    {
+        return new self($string);
+    }
+
+    // -- Private Methods
+
+    private function _stripSpace($string)
+    {
+        $parts = preg_split("/[\r\n\t ]+/", $string);
+        foreach ($parts as $i => $part) {
+            $parts[$i] = trim($part, " \r\n\t");
+        }
+
+        return trim(implode(' ', $parts), " \r\n\t");
+    }
+}