Adding build/testing against PHP 7.4.

.travis.yml

@@ -1,9 +1,6 @@
 language: php
 
 php:
-  - 5.3
-  - 5.4
-  - 5.5
   - 5.6
   - 7.0
   - 7.1
@@ -14,9 +11,6 @@ php:
 
 matrix:
   allow_failures:
-    - php: 5.3
-    - php: 5.4
-    - php: 5.5
     - php: 5.6
     - php: 7.0
     - php: nightly

README.md

@@ -15,7 +15,7 @@ Requirements
 
 * PHP >= 5.4.0
 
-This library is unit tested against PHP 5.4, 5.5, 5.6, 7.0, 7.1, 7.2, 7.3 and the PHP nightly builds!
+This library is unit tested against PHP 5.6, 7.0, 7.1, 7.2, 7.3 and 7.4!
 
 License
 -------
@@ -36,7 +36,7 @@ Alternately you can add it to your ``composer.json`` file manually in the `requi
 ```php
 "ballen/linguist": "^1.0"
 ```
-Then install the package by running the ``composer update ballen/linguist`` command.
+Then install the package by running the ``composer install`` command.
 
 Examples
 --------
@@ -48,7 +48,7 @@ Tests and coverage
 
 This library is fully unit tested using [PHPUnit](https://phpunit.de/).
 
-I use [TravisCI](https://travis-ci.org/) for continuous integration, which triggers tests for PHP 5.4, 5.5, 5.6, 7.0, 7.1, 7.2, 7.3 and the PHP nightly build every time a commit is pushed.
+I use [TravisCI](https://travis-ci.org/) for continuous integration, which triggers tests for PHP 55.6, 7.0, 7.1, 7.2, 7.3, 7.4 and the PHP nightly build every time a commit is pushed.
 
 If you wish to run the tests yourself you should run the following:
 

src/Transformers/HtmlTransformer.php

@@ -32,7 +32,7 @@ class HtmlTransformer extends Transformer implements TransformerInterface
     private function transform($string)
     {
 
-        $string = preg_replace("/(http|https|ftp|ftps)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/", "<a href=\"$0\">$0</a> ", $string);
+        $string = preg_replace(Transformer::URL_REGEX, "<a href=\"$0\">$0</a> ", $string);
 
         foreach (array_keys($this->tags) as $tagtype) {
             $tagconf = $this->tags[$tagtype];

src/Transformers/MarkdownTansformer.php

@@ -32,7 +32,7 @@ class MarkdownTansformer extends Transformer implements TransformerInterface
     private function transform($string)
     {
 
-        $string = preg_replace("/(http|https|ftp|ftps)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/", "[$0]($0) ", $string);
+        $string = preg_replace(Transformer::URL_REGEX, "[$0]($0) ", $string);
 
         foreach (array_keys($this->tags) as $tagtype) {
             $tagconf = $this->tags[$tagtype];

src/Transformers/Transformer.php

@@ -18,6 +18,8 @@
 abstract class Transformer
 {
 
+    const URL_REGEX = "/(http|https|ftp|ftps)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/";
+
     /**
      * Strips HTML tags from the given string.
      * @param string $message The string that does/may contain HTML tags.