Import global functions

src/BoxList.php

@@ -11,6 +11,7 @@
 use ArrayIterator;
 use IteratorAggregate;
 use Traversable;
+use function usort;
 
 /**
  * List of boxes available to put items into, ordered by volume.

src/ItemList.php

@@ -12,7 +12,9 @@
 use Countable;
 use IteratorAggregate;
 use Traversable;
-
+use function array_shift;
+use function reset;
+use function usort;
 /**
  * List of items to be packed, ordered by volume.
  *

src/LayerStabiliser.php

@@ -11,6 +11,7 @@
 use Psr\Log\LoggerAwareInterface;
 use Psr\Log\LoggerAwareTrait;
 use Psr\Log\NullLogger;
+use function usort;
 
 /**
  * Applies load stability to generated result.

src/OrientatedItem.php

@@ -7,6 +7,7 @@
 declare(strict_types=1);
 
 namespace DVDoug\BoxPacker;
+use function min;
 
 /**
  * An item to be packed.

src/OrientatedItemFactory.php

@@ -10,6 +10,11 @@
 
 use Psr\Log\LoggerAwareInterface;
 use Psr\Log\LoggerAwareTrait;
+use function array_filter;
+use function count;
+use function reset;
+use function min;
+use function usort;
 
 /**
  * Figure out orientations for an item and a given set of dimensions.

src/PackedBox.php

@@ -7,6 +7,9 @@
 declare(strict_types=1);
 
 namespace DVDoug\BoxPacker;
+use function is_null;
+use function max;
+use function round;
 
 /**
  * A "box" with items.

src/PackedBoxList.php

@@ -12,6 +12,10 @@
 use Countable;
 use IteratorAggregate;
 use Traversable;
+use function count;
+use function reset;
+use function round;
+use function usort;
 
 /**
  * List of packed boxes.

src/PackedItemList.php

@@ -12,6 +12,9 @@
 use Countable;
 use IteratorAggregate;
 use Traversable;
+use function array_map;
+use function count;
+use function usort;
 
 /**
  * List of packed items, ordered by volume.

src/PackedLayer.php

@@ -7,6 +7,8 @@
 declare(strict_types=1);
 
 namespace DVDoug\BoxPacker;
+use function max;
+use function min;
 
 /**
  * A packed layer.

src/Packer.php

@@ -12,6 +12,9 @@
 use Psr\Log\LoggerAwareTrait;
 use Psr\Log\LogLevel;
 use Psr\Log\NullLogger;
+use function array_shift;
+use function count;
+use function usort;
 
 /**
  * Actual packer.

src/VolumePacker.php

@@ -11,6 +11,9 @@
 use Psr\Log\LoggerAwareInterface;
 use Psr\Log\LoggerAwareTrait;
 use Psr\Log\NullLogger;
+use function count;
+use function max;
+use function min;
 
 /**
  * Actual packer.

src/WeightRedistributor.php

@@ -12,6 +12,11 @@
 use Psr\Log\LoggerAwareTrait;
 use Psr\Log\LogLevel;
 use Psr\Log\NullLogger;
+use function array_filter;
+use function array_merge;
+use function count;
+use function iterator_to_array;
+use function usort;
 
 /**
  * Actual packer.

tests/BoxListTest.php

@@ -10,6 +10,7 @@
 
 use DVDoug\BoxPacker\Test\TestBox;
 use PHPUnit\Framework\TestCase;
+use function iterator_to_array;
 
 /**
  * @covers \DVDoug\BoxPacker\BoxList

tests/EfficiencyTest.php

@@ -11,6 +11,9 @@
 use DVDoug\BoxPacker\Test\TestBox;
 use DVDoug\BoxPacker\Test\TestItem;
 use PHPUnit\Framework\TestCase;
+use function fclose;
+use function fgetcsv;
+use function fopen;
 
 /**
  * @coversNothing

tests/ItemListTest.php

@@ -10,6 +10,8 @@
 
 use DVDoug\BoxPacker\Test\TestItem;
 use PHPUnit\Framework\TestCase;
+use function count;
+use function iterator_to_array;
 
 /**
  * @covers \DVDoug\BoxPacker\ItemList

tests/PackerTest.php

@@ -11,6 +11,8 @@
 use DVDoug\BoxPacker\Test\TestBox;
 use DVDoug\BoxPacker\Test\TestItem;
 use PHPUnit\Framework\TestCase;
+use function count;
+use function iterator_to_array;
 
 /**
  * @covers \DVDoug\BoxPacker\Packer

tests/Test/TestConstrainedTestItem.php

@@ -12,6 +12,8 @@
 use DVDoug\BoxPacker\ConstrainedItem;
 use DVDoug\BoxPacker\PackedItem;
 use DVDoug\BoxPacker\PackedItemList;
+use function count;
+use function iterator_to_array;
 
 class TestConstrainedTestItem extends TestItem implements ConstrainedItem
 {

tests/VolumePackerTest.php

@@ -7,11 +7,11 @@
 declare(strict_types=1);
 
 namespace DVDoug\BoxPacker;
-
 use DVDoug\BoxPacker\Test\TestBox;
 use DVDoug\BoxPacker\Test\TestConstrainedTestItem;
 use DVDoug\BoxPacker\Test\TestItem;
 use PHPUnit\Framework\TestCase;
+use function count;
 
 /**
  * @covers \DVDoug\BoxPacker\VolumePacker

tests/WeightRedistributorTest.php

@@ -11,6 +11,7 @@
 use DVDoug\BoxPacker\Test\TestBox;
 use DVDoug\BoxPacker\Test\TestItem;
 use PHPUnit\Framework\TestCase;
+use function iterator_to_array;
 
 /**
  * @covers \DVDoug\BoxPacker\WeightRedistributor