Update to use PHPCompatibility 7.1.5 (last PHP 5.2 version).

Felix Arntz · Felix Arntz · commit 2de383b2d3e5 · 2017-11-16T15:28:41.000-06:00
diff --git a/composer.json b/composer.json
@@ -8,7 +8,7 @@
 	}],
 	"require": {
 		"squizlabs/php_codesniffer": "2.8.*",
-		"wimg/php-compatibility": "7.0.4",
+		"wimg/php-compatibility": "7.1.5",
 		"simplyadmire/composer-plugins" : "@dev"
 	},
 	"require-dev": {
