Minor updates (#308)

* Adding PHP 7.4 to travis ci

* Replacing `strtolower()` with `Str::lower()`

* Bump version

.travis.yml

@@ -3,10 +3,12 @@ language: php
 php:
   - 7.2
   - 7.3
+  - 7.4snapshot
   - nightly
 
 matrix:
   allow_failures:
+    - php: 7.4snapshot
     - php: nightly
 
 before_script:
@@ -19,5 +21,5 @@ script:
   - vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover
 
 after_script:
-  - if [ "$TRAVIS_PHP_VERSION" != "nightly" ]; then wget https://scrutinizer-ci.com/ocular.phar; fi
-  - if [ "$TRAVIS_PHP_VERSION" != "nightly" ]; then php ocular.phar code-coverage:upload --format=php-clover coverage.clover; fi
+  - if [ "$TRAVIS_PHP_VERSION" != "7.4snapshot" ] && [ "$TRAVIS_PHP_VERSION" != "nightly" ]; then wget https://scrutinizer-ci.com/ocular.phar; fi
+  - if [ "$TRAVIS_PHP_VERSION" != "7.4snapshot" ] && [ "$TRAVIS_PHP_VERSION" != "nightly" ]; then php ocular.phar code-coverage:upload --format=php-clover coverage.clover; fi

src/Http/Controllers/LogViewerController.php

@@ -148,11 +148,13 @@ public function search(Request $request, $date, $level = 'all')
 
         $log     = $this->getLogOrFail($date);
         $levels  = $this->logViewer->levelsNames();
-        $needles = array_map('strtolower', array_filter(explode(' ', $query)));
+        $needles = array_map(function ($needle) {
+            return Str::lower($needle);
+        }, array_filter(explode(' ', $query)));
         $entries = $log->entries($level)
             ->unless(empty($needles), function (LogEntryCollection $entries) use ($needles) {
                 return $entries->filter(function (LogEntry $entry) use ($needles) {
-                    return Str::containsAll(strtolower($entry->header), $needles);
+                    return Str::containsAll(Str::lower($entry->header), $needles);
                 });
             })
             ->paginate($this->perPage);

src/LogViewer.php

@@ -21,7 +21,7 @@ class LogViewer implements LogViewerContract
     /**
      * LogViewer Version
      */
-    const VERSION = '5.1.5';
+    const VERSION = '5.1.6';
 
     /* -----------------------------------------------------------------
      |  Properties