Drop support for PHP < 7.0

.travis.yml

@@ -3,11 +3,10 @@ sudo: false
 language: php
 
 php:
-  - 5.4
-  - 5.5
-  - 5.6
   - 7.0
   - 7.1
+  - 7.2
+  - 7.3
   - hhvm
 
 matrix:

.travis/after-success.sh

@@ -8,5 +8,5 @@ thisFile="$(readlink -f ${0})";
 thisFilePath="$(dirname ${thisFile})";
 #
 if [ "${CODECOVERAGE}" = '1' ]; then
-  bash <(curl -s https://codecov.io/bash)
+  bash <(curl -sSL https://codecov.io/bash)
 fi

.travis/before-script.sh

@@ -13,5 +13,5 @@ composer install --no-ansi --no-progress --no-interaction --prefer-source;
 if [ "${PHPCS}" = '1' ]; then
   composer require --dev 'squizlabs/php_codesniffer=2.*';
 else
-  composer require --dev 'phpunit/phpunit=4.*';
+  composer require --dev 'phpunit/phpunit=^7';
 fi

.travis/script.sh

@@ -10,7 +10,7 @@ thisFilePath="$(dirname ${thisFile})";
 if [ "${PHPCS}" = '1' ]; then
   vendor/bin/phpcs --standard=PSR2 src tests;
 elif [ "${CODECOVERAGE}" = '1' ]; then
-  vendor/bin/phpunit --stderr --configuration phpunit.xml --coverage-clover build/logs/clover.xml;
+  phpdbg -qrr vendor/bin/phpunit --stderr --configuration phpunit.xml --coverage-clover build/logs/clover.xml;
 else
   vendor/bin/phpunit --stderr --configuration phpunit.xml;
 fi

README.md

@@ -1,12 +1,16 @@
 # Damerau Levenshtein
 
-[![Build Status](https://travis-ci.org/Oefenweb/damerau-levenshtein.svg?branch=master)](https://travis-ci.org/Oefenweb/damerau-levenshtein) [![PHP 7 ready](http://php7ready.timesplinter.ch/Oefenweb/damerau-levenshtein/badge.svg)](https://travis-ci.org/Oefenweb/damerau-levenshtein) [![codecov](https://codecov.io/gh/Oefenweb/damerau-levenshtein/branch/master/graph/badge.svg)](https://codecov.io/gh/Oefenweb/damerau-levenshtein) [![Packagist downloads](http://img.shields.io/packagist/dt/Oefenweb/damerau-levenshtein.svg)](https://packagist.org/packages/oefenweb/damerau-levenshtein) [![Code Climate](https://codeclimate.com/github/Oefenweb/damerau-levenshtein/badges/gpa.svg)](https://codeclimate.com/github/Oefenweb/damerau-levenshtein)
+[![Build Status](https://travis-ci.org/Oefenweb/damerau-levenshtein.svg?branch=master)](https://travis-ci.org/Oefenweb/damerau-levenshtein)
+[![PHP 7 ready](http://php7ready.timesplinter.ch/Oefenweb/damerau-levenshtein/badge.svg)](https://travis-ci.org/Oefenweb/damerau-levenshtein)
+[![codecov](https://codecov.io/gh/Oefenweb/damerau-levenshtein/branch/master/graph/badge.svg)](https://codecov.io/gh/Oefenweb/damerau-levenshtein)
+[![Packagist downloads](http://img.shields.io/packagist/dt/Oefenweb/damerau-levenshtein.svg)](https://packagist.org/packages/oefenweb/damerau-levenshtein)
+[![Code Climate](https://codeclimate.com/github/Oefenweb/damerau-levenshtein/badges/gpa.svg)](https://codeclimate.com/github/Oefenweb/damerau-levenshtein)
 
 Get text similarity level with Damerau-Levenshtein distance.
 
 ## Requirements
 
-* PHP 5.4.16 or greater.
+* PHP 7.0.0 or greater.
 
 ## Installation