diff --git a/core/lib/Drupal/Core/Image/Image.php b/core/lib/Drupal/Core/Image/Image.php
index ddf93c7..b111486 100644
--- a/core/lib/Drupal/Core/Image/Image.php
+++ b/core/lib/Drupal/Core/Image/Image.php
@@ -139,7 +139,7 @@ public function save($destination = NULL) {
   /**
    * {@inheritdoc}
    */
-  public function apply($operation, array $arguments = []) {
+  public function apply($operation, array $arguments = array()) {
     return $this->getToolkit()->apply($operation, $arguments);
   }
 
@@ -147,77 +147,56 @@ public function apply($operation, array $arguments = []) {
    * {@inheritdoc}
    */
   public function createNew($width, $height, $extension = 'png', $transparent_color = '#ffffff') {
-    return $this->apply('create_new', [
-      'width' => $width,
-      'height' => $height,
-      'extension' => $extension,
-      'transparent_color' => $transparent_color,
-    ]);
+    return $this->apply('create_new', array('width' => $width, 'height' => $height, 'extension' => $extension, 'transparent_color' => $transparent_color));
   }
 
   /**
    * {@inheritdoc}
    */
   public function convert($extension) {
-    return $this->apply('convert', ['extension' => $extension]);
+    return $this->apply('convert', array('extension' => $extension));
   }
 
   /**
    * {@inheritdoc}
    */
   public function crop($x, $y, $width, $height = NULL) {
-    return $this->apply('crop', [
-      'x' => $x,
-      'y' => $y,
-      'width' => $width,
-      'height' => $height,
-    ]);
+    return $this->apply('crop', array('x' => $x, 'y' => $y, 'width' => $width, 'height' => $height));
   }
 
   /**
    * {@inheritdoc}
    */
   public function desaturate() {
-    return $this->apply('desaturate', []);
+    return $this->apply('desaturate', array());
   }
 
   /**
    * {@inheritdoc}
    */
   public function resize($width, $height) {
-    return $this->apply('resize', ['width' => $width, 'height' => $height]);
+    return $this->apply('resize', array('width' => $width, 'height' => $height));
   }
 
   /**
    * {@inheritdoc}
    */
   public function rotate($degrees, $background = NULL) {
-    return $this->apply('rotate', [
-      'degrees' => $degrees,
-      'background' => $background,
-    ]);
+    return $this->apply('rotate', array('degrees' => $degrees, 'background' => $background));
   }
 
   /**
    * {@inheritdoc}
    */
   public function scaleAndCrop($width, $height, $upscale = FALSE) {
-    return $this->apply('scale_and_crop', [
-      'width' => $width,
-      'height' => $height,
-      'upscale' => $upscale,
-    ]);
+    return $this->apply('scale_and_crop', array('width' => $width, 'height' => $height, 'upscale' => $upscale));
   }
 
   /**
    * {@inheritdoc}
    */
   public function scale($width, $height = NULL, $upscale = FALSE) {
-    return $this->apply('scale', [
-      'width' => $width,
-      'height' => $height,
-      'upscale' => $upscale,
-    ]);
+    return $this->apply('scale', array('width' => $width, 'height' => $height, 'upscale' => $upscale));
   }
 
   /**
diff --git a/core/lib/Drupal/Core/Image/ImageInterface.php b/core/lib/Drupal/Core/Image/ImageInterface.php
index a9a408a..ab8cad8 100644
--- a/core/lib/Drupal/Core/Image/ImageInterface.php
+++ b/core/lib/Drupal/Core/Image/ImageInterface.php
@@ -140,10 +140,11 @@ public function createNew($width, $height, $extension = 'png', $transparent_colo
    *   be based only on the height value.
    * @param int|null $height
    *   (optional) The target height, in pixels. If this value is null then the
-   *   scaling will be based only on the width value.
+   *   scaling will be based only on the width value. Defaults to NULL.
    * @param bool $upscale
    *   (optional) Boolean indicating that files smaller than the dimensions will
    *   be scaled up. This generally results in a low quality image.
+   *   Defaults to FALSE.
    *
    * @return bool
    *   TRUE on success, FALSE on failure.
@@ -166,6 +167,7 @@ public function scale($width, $height = NULL, $upscale = FALSE);
    * @param bool $upscale
    *   (optional) Boolean indicating that files smaller than the dimensions will
    *   be scaled up. This generally results in a low quality image.
+   *   Defaults to FALSE.
    *
    * @return bool
    *   TRUE on success, FALSE on failure.
diff --git a/core/modules/image/src/Plugin/ImageEffect/ScaleAndCropImageEffect.php b/core/modules/image/src/Plugin/ImageEffect/ScaleAndCropImageEffect.php
index 4d45df1..fe89b3f 100644
--- a/core/modules/image/src/Plugin/ImageEffect/ScaleAndCropImageEffect.php
+++ b/core/modules/image/src/Plugin/ImageEffect/ScaleAndCropImageEffect.php
@@ -78,8 +78,8 @@ public function buildConfigurationForm(array $form, FormStateInterface $form_sta
     $form['upscale'] = [
       '#type' => 'checkbox',
       '#default_value' => $this->configuration['upscale'],
-      '#title' => t('Allow Upscaling'),
-      '#description' => t('Let scale make images larger than their original size'),
+      '#title' => $this->t('Allow Upscaling'),
+      '#description' => $this->t('Let scale make images larger than their original size'),
     ];
     return $form;
   }
diff --git a/core/modules/image/tests/src/Kernel/Migrate/d7/MigrateImageStylesTest.php b/core/modules/image/tests/src/Kernel/Migrate/d7/MigrateImageStylesTest.php
index d1538f0..bd18a9d 100644
--- a/core/modules/image/tests/src/Kernel/Migrate/d7/MigrateImageStylesTest.php
+++ b/core/modules/image/tests/src/Kernel/Migrate/d7/MigrateImageStylesTest.php
@@ -32,7 +32,7 @@ protected function setUp() {
    * Test the image styles migration.
    */
   public function testImageStylesMigration() {
-    $this->assertEntity('custom_image_style_1', "Custom image style 1", ['image_scale_and_crop', 'image_desaturate'], [['width' => 55, 'height' => 55, 'upscale' => false], []]);
+    $this->assertEntity('custom_image_style_1', "Custom image style 1", ['image_scale_and_crop', 'image_desaturate'], [['width' => 55, 'height' => 55, 'upscale' => FALSE], []]);
     $this->assertEntity('custom_image_style_2', "Custom image style 2", ['image_resize', 'image_rotate'], [['width' => 55, 'height' => 100], ['degrees' => 45, 'bgcolor' => '#FFFFFF', 'random' => FALSE]]);
     $this->assertEntity('custom_image_style_3', "Custom image style 3", ['image_scale', 'image_crop'], [['width' => 150, 'height' => NULL, 'upscale' => FALSE], ['width' => 50, 'height' => 50, 'anchor' => 'left-top']]);
   }
@@ -45,9 +45,9 @@ public function testImageStylesMigration() {
    * @param string $label
    *   The expected image style label.
    * @param array $expected_effect_plugins
-   *   An array of expected plugins attached to the image style entity
+   *   An array of expected plugins attached to the image style entity.
    * @param array $expected_effect_config
-   *   An array of expected configuration for each effect in the image style
+   *   An array of expected configuration for each effect in the image style.
    */
   protected function assertEntity($id, $label, array $expected_effect_plugins, array $expected_effect_config) {
     $style = ImageStyle::load($id);