Improve StringHelper

SergioMadness · Aug 18, 2016 · 6e8cf9b · 6e8cf9b
1 parent 99446f6
commit 6e8cf9b
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Showing 2 changed files with 25 additions and 0 deletions.
diff --git a/src/StringHelpers.php b/src/StringHelpers.php
@@ -94,4 +94,16 @@ public static function str2url($str)
         $str = trim($str, "-");
         return $str;
     }
+
+    /**
+     * Minify string
+     *
+     * @param string $str
+     * @return string
+     */
+    public static function minify($str)
+    {
+        return preg_replace(['/<!--(.*)-->/Uis', "/[[:blank:]]+/"], ['', ' '],
+            str_replace(["\n", "\r", "\t"], '', $str));
+    }
 }
diff --git a/tests/unit/HelpersTest.php b/tests/unit/HelpersTest.php
@@ -216,4 +216,17 @@ public function testXml2Array()
             $this->assertEquals($xml,
                 \pwf\helpers\ConvertHelper::array2XML($result, 'root')->saveXML());
         }
+
+        public function testStringMinifier()
+        {
+            $testString = "<html>
+                <test>test</test>
+                <!-- comment -->
+                </html>";
+            $result     = '<html> <test>test</test> </html>';
+
+
+            $this->assertEquals($result,
+                \pwf\helpers\StringHelpers::minify($testString));
+        }
     }