Remove unused use-statements and order them alphabetically

composer.json

@@ -42,7 +42,8 @@
     },
     "config": {
         "allow-plugins": {
-            "composer/package-versions-deprecated": true
+            "composer/package-versions-deprecated": true,
+            "dealerdirect/phpcodesniffer-composer-installer": true
         }
     }
 }

src/Assert.php

@@ -4,7 +4,17 @@
 
 namespace SimpleSAML\Assert;
 
-use BadMethodCallException; // Requires ext-spl
+use BadMethodCallException;
+// Requires ext-spl
+use DateTime;
+// Requires ext-spl
+use DateTime; // Requires ext-date
+use DateTimeImmutable;
+// Requires ext-spl
+use DateTime; // Requires ext-date
+use DateTimeImmutable; // Request ext-date
+use InvalidArgumentException;
+// Requires ext-spl
 use DateTime; // Requires ext-date
 use DateTimeImmutable; // Request ext-date
 use InvalidArgumentException; // Requires ext-spl
@@ -15,16 +25,14 @@
 use function array_unshift;
 use function call_user_func_array;
 use function end;
-use function filter_var;
-use function implode;
-use function in_array;
-use function is_string;
 use function is_object;
 use function is_resource;
+use function is_string;
 use function is_subclass_of;
 use function lcfirst;
 use function method_exists;
-use function preg_match; // Requires ext-pcre
+use function preg_match;
+// Requires ext-pcre
 use function strval;
 
 /**

src/CustomAssertionTrait.php

@@ -10,11 +10,9 @@
 use function array_map;
 use function base64_decode;
 use function base64_encode;
-use function call_user_func_array;
 use function filter_var;
 use function implode;
 use function in_array;
-use function reset;
 use function sprintf;
 
 /**

tests/Assert/AssertTest.php

@@ -6,7 +6,7 @@
 
 use BadMethodCallException; // Requires ext-spl
 use DateTimeImmutable;
-use ArrayIterator; // Requires ext-spl
+// Requires ext-spl
 use LogicException; // Requires ext-spl
 use PHPUnit\Framework\TestCase;
 use ReflectionMethod;