Fixes a comparison issue and also updated the build config to ensure …

…testing is ran on the support PHP versions only (7.x) as the nightly is now failing due to composer dependency issues for PHP 8 (will instead look to push a new major version closer the time).

.travis.yml

@@ -6,7 +6,6 @@ php:
   - 7.1
   - 7.2
   - 7.3
-  - nightly
 
 sudo: false
 
@@ -15,5 +14,5 @@ install: travis_retry composer install --no-interaction --prefer-source
 script: vendor/bin/phpunit --coverage-clover=coverage.clover
 
 after_script:
-    - wget https://scrutinizer-ci.com/ocular.phar
-    - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
+  - wget https://scrutinizer-ci.com/ocular.phar
+  - php ocular.phar code-coverage:upload --format=php-clover coverage.clover

README.md

@@ -1,6 +1,6 @@
 # GPIO
 
-[![Build Status](https://scrutinizer-ci.com/g/allebb/gpio/badges/build.png?b=master)](https://scrutinizer-ci.com/g/allebb/gpio/build-status/master)
+[![Build Status](https://scrutinizer-ci.com/g/allebb/gpio/badges/build.png?b=master)](https://scrutinizer-ci.com/g/allebb/gpio/badges/build.png?b=master)
 [![Code Coverage](https://scrutinizer-ci.com/g/allebb/gpio/badges/coverage.png?b=master)](https://scrutinizer-ci.com/g/allebb/gpio/?branch=master)
 [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/allebb/gpio/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/allebb/gpio/?branch=master)
 [![Code Climate](https://codeclimate.com/github/allebb/gpio/badges/gpa.svg)](https://codeclimate.com/github/allebb/metar)

src/Adapters/RPiAdapter.php

@@ -33,7 +33,7 @@ public function setDirection(int $pin, string $direction, bool $invert = false):
     {
         $this->export($pin);
 
-        if (file_exists("/sys/class/gpio/gpio{$pin}/direction") && trim(file_get_contents("/sys/class/gpio/gpio{$pin}/direction")) !== $direction) {
+        if (file_exists("/sys/class/gpio/gpio{$pin}/direction") && trim(file_get_contents("/sys/class/gpio/gpio{$pin}/direction")) != $direction) {
             system("echo {$direction} > /sys/class/gpio/gpio{$pin}/direction");
         }