fixed warning with PHP 5.4

Halleck45 · Halleck45 · commit 682583334ca2 · 2016-08-20T13:40:15.000+02:00
diff --git a/src/Hal/Application/Config/Validator.php b/src/Hal/Application/Config/Validator.php
@@ -40,7 +40,8 @@ public function validate(Config $config)
         // parameters with values
         $keys = ['report-html', 'report-violation', 'extensions'];
         foreach ($keys as $key) {
-            if ($config->has($key) && empty($config->get($key)) || true === $config->get($key)) {
+            $value = $config->get($key);
+            if ($config->has($key) && empty($value) || true === $value) {
                 throw new ConfigException(sprintf('%s option requires a value', $key));
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -40,7 +40,8 @@ public function validate(Config $config)`
`40`	`40`	`// parameters with values`
`41`	`41`	`$keys = ['report-html', 'report-violation', 'extensions'];`
`42`	`42`	`foreach ($keys as $key) {`
`43`		`- if ($config->has($key) && empty($config->get($key)) \|\| true === $config->get($key)) {`
	`43`	`+ $value = $config->get($key);`
	`44`	`+ if ($config->has($key) && empty($value) \|\| true === $value) {`
`44`	`45`	`throw new ConfigException(sprintf('%s option requires a value', $key));`
`45`	`46`	`}`
`46`	`47`	`}`