Add PHP 7.4 support (#464)

* Add PHP 7.4 to build matrix

* DB fix

* YAML parser fix in test data

* Show versions

* Package updates

* Track used ICAOs

* 7.4 METAR parsing fix

* METAR parser fix

* Formatting

* Add meters to response units

* Call instance for unit conversion

* Return value

* Catch exception for unknown quantity

* Comment fix

* Formatting

* METAR parsing fixes on PHP 7.4

* Package updates

* More random airport ID

* More random airport ID

* Properly disable toolbar

* Semver written out to version file

* Use dev as default identifier

.travis.yml

@@ -6,12 +6,11 @@ language: php
 php:
   - '7.2'
   - '7.3'
+  - '7.4'
 
-matrix:
-  include:
-    - php: '7.2'
-    - php: '7.3'
-  fast_finish: true
+env:
+  - DB=mysql
+  - DB=mariadb
 
 cache:
   # Cache lives for 10 min
@@ -24,7 +23,12 @@ cache:
 services:
 - mysql
 
+addons:
+  mariadb: '10.2'
+
 install:
+  - php --version
+  - mysql --version
   - composer install --dev --no-interaction --verbose
   - cp .travis/env.travis.php env.php
   - cp .travis/phpunit.travis.xml phpunit.xml
@@ -41,6 +45,7 @@ after_failure:
   - cat storage/logs/*.log
 
 jobs:
+  fast_finish: true
   include:
     # Just packages up a release
     - stage: package