Import internal PHP functions

Author: michalbundyra

src/ConfigAggregator.php

@@ -13,6 +13,21 @@
 use Zend\Stdlib\ArrayUtils\MergeRemoveKey;
 use Zend\Stdlib\ArrayUtils\MergeReplaceKeyInterface;
 
+use function array_key_exists;
+use function class_exists;
+use function date;
+use function file_exists;
+use function file_put_contents;
+use function get_class;
+use function gettype;
+use function is_array;
+use function is_callable;
+use function is_int;
+use function is_object;
+use function is_string;
+use function sprintf;
+use function var_export;
+
 /**
  * Aggregate configuration generated by configuration providers.
  */

src/InvalidConfigProcessorException.php

@@ -9,6 +9,8 @@
 
 use RuntimeException;
 
+use function sprintf;
+
 class InvalidConfigProcessorException extends RuntimeException
 {
 

src/InvalidConfigProviderException.php

@@ -10,6 +10,8 @@
 
 use RuntimeException;
 
+use function sprintf;
+
 class InvalidConfigProviderException extends RuntimeException
 {
 

test/ConfigAggregatorTest.php

@@ -18,6 +18,9 @@
 use ZendTest\ConfigAggregator\Resources\FooConfigProvider;
 use ZendTest\ConfigAggregator\Resources\FooPostProcessor;
 
+use function file_exists;
+use function var_export;
+
 class ConfigAggregatorTest extends TestCase
 {
     public function testConfigAggregatorRisesExceptionIfProviderClassDoesNotExist()