diff --git a/includes/class-displayfeaturedimagegenesis-admin.php b/includes/class-displayfeaturedimagegenesis-admin.php
index 0605abb..77af925 100644
--- a/includes/class-displayfeaturedimagegenesis-admin.php
+++ b/includes/class-displayfeaturedimagegenesis-admin.php
@@ -159,7 +159,7 @@ class Display_Featured_Image_Genesis_Admin {
 	 */
 	public function featured_image_column_width() {
 		$screen = get_current_screen();
-		if ( in_array( $screen->base, array( 'edit', 'edit-tags', 'users' ) ) ) { ?>
+		if ( in_array( $screen->base, array( 'edit', 'edit-tags', 'users' ), true ) ) { ?>
 			<style type="text/css">
 				.column-featured_image { width: 105px; }
 				.column-featured_image img { margin: 0 auto; display: block; height: auto; width: auto; max-width: 60px; max-height: 80px; }
diff --git a/includes/class-displayfeaturedimagegenesis-common.php b/includes/class-displayfeaturedimagegenesis-common.php
index bd3684d..f765de8 100644
--- a/includes/class-displayfeaturedimagegenesis-common.php
+++ b/includes/class-displayfeaturedimagegenesis-common.php
@@ -16,7 +16,7 @@ class Display_Featured_Image_Genesis_Common {
 	public $version = '2.4.1';
 
 	/**
-	 * set and retreive variables for the featured image.
+	 * set and retrieve variables for the featured image.
 	 * @return $item
 	 *
 	 * @since  1.1.0
@@ -36,13 +36,12 @@ class Display_Featured_Image_Genesis_Common {
 
 		/**
 		 * create a filter for user to optionally force post types to use the large image instead of backstretch
-		 * @var filter
 		 *
 		 * @since  2.0.0
 		 */
 		$use_large_image = apply_filters( 'display_featured_image_genesis_use_large_image', array() );
 		$image_size      = 'displayfeaturedimage_backstretch';
-		if ( in_array( get_post_type(), $use_large_image ) ) {
+		if ( in_array( get_post_type(), $use_large_image, true ) ) {
 			$image_size = 'large';
 		}
 
@@ -110,7 +109,7 @@ class Display_Featured_Image_Genesis_Common {
 		if ( ! empty( $fallback ) ) {
 			$image_id = $fallback_id;
 
-			if ( in_array( get_post_type(), $use_fallback ) ) {
+			if ( in_array( get_post_type(), $use_fallback, true ) ) {
 				return (int) $image_id;
 			}
 		}
@@ -135,7 +134,7 @@ class Display_Featured_Image_Genesis_Common {
 			 * @since 2.2.1
 			 */
 			$use_cpt = apply_filters( 'displayfeaturedimagegenesis_use_post_type_image', array() );
-			if ( in_array( get_post_type(), $use_cpt ) ) {
+			if ( in_array( get_post_type(), $use_cpt, true ) ) {
 				return (int) $image_id;
 			}
 		}
@@ -164,7 +163,7 @@ class Display_Featured_Image_Genesis_Common {
 				 */
 				$use_tax_image = apply_filters( 'display_featured_image_genesis_use_taxonomy', array() );
 
-				if ( in_array( get_post_type(), $use_tax_image ) ) {
+				if ( in_array( get_post_type(), $use_tax_image, true ) ) {
 					return (int) $image_id;
 				}
 			}
diff --git a/includes/class-displayfeaturedimagegenesis-helper.php b/includes/class-displayfeaturedimagegenesis-helper.php
index a82e40b..6421ac0 100644
--- a/includes/class-displayfeaturedimagegenesis-helper.php
+++ b/includes/class-displayfeaturedimagegenesis-helper.php
@@ -236,7 +236,7 @@ class Display_Featured_Image_Genesis_Helper {
 
 		$is_valid_types = (array) apply_filters( 'displayfeaturedimage_valid_img_types', array( 'jpg', 'jpeg', 'png', 'gif' ) );
 
-		return ( $file_ext && in_array( $file_ext, $is_valid_types ) );
+		return ( $file_ext && in_array( $file_ext, $is_valid_types, true ) );
 	}
 
 	/**
diff --git a/includes/class-displayfeaturedimagegenesis-output.php b/includes/class-displayfeaturedimagegenesis-output.php
index 69146d7..f4ceb95 100644
--- a/includes/class-displayfeaturedimagegenesis-output.php
+++ b/includes/class-displayfeaturedimagegenesis-output.php
@@ -27,7 +27,7 @@ class Display_Featured_Image_Genesis_Output {
 		$post_types           = array( 'attachment', 'revision', 'nav_menu_item' );
 		$skipped_types        = apply_filters( 'display_featured_image_genesis_skipped_posttypes', $post_types );
 
-		if ( is_admin() || ( in_array( get_post_type(), $skipped_types ) ) || ( $skip && is_front_page() ) ) {
+		if ( is_admin() || ( in_array( get_post_type(), $skipped_types, true ) ) || ( $skip && is_front_page() ) ) {
 			return;
 		}
 
@@ -56,7 +56,7 @@ class Display_Featured_Image_Genesis_Output {
 		$width             = absint( $this->item->backstretch[1] );
 		$force_backstretch = apply_filters( 'display_featured_image_genesis_force_backstretch', array() );
 
-		if ( $width > $large || in_array( get_post_type(), $force_backstretch ) ) {
+		if ( $width > $large || in_array( get_post_type(), $force_backstretch, true ) ) {
 			$this->do_backstretch_image_things();
 		} else {
 			$this->do_large_image_things();
@@ -307,7 +307,7 @@ class Display_Featured_Image_Genesis_Output {
 		$move_excerpts = $this->displaysetting['move_excerpts'];
 		$omit_excerpt  = apply_filters( 'display_featured_image_genesis_omit_excerpt', array() );
 
-		if ( $move_excerpts && ! in_array( get_post_type(), $omit_excerpt ) ) {
+		if ( $move_excerpts && ! in_array( get_post_type(), $omit_excerpt, true ) ) {
 			return true;
 		}
 		return false;
@@ -323,7 +323,7 @@ class Display_Featured_Image_Genesis_Output {
 		$keep_titles       = $this->displaysetting['keep_titles'];
 
 		// if titles will be moved to overlay backstretch image
-		if ( ! $keep_titles && ! in_array( get_post_type(), $do_not_move_title ) ) {
+		if ( ! $keep_titles && ! in_array( get_post_type(), $do_not_move_title, true ) ) {
 			return true;
 		}
 		return false;
diff --git a/includes/class-displayfeaturedimagegenesis-rss.php b/includes/class-displayfeaturedimagegenesis-rss.php
index bc9be2d..76aef89 100644
--- a/includes/class-displayfeaturedimagegenesis-rss.php
+++ b/includes/class-displayfeaturedimagegenesis-rss.php
@@ -24,7 +24,7 @@ class Display_Featured_Image_Genesis_RSS {
 		$skipped_types  = apply_filters( 'display_featured_image_genesis_skipped_posttypes', $post_types );
 
 		// if the user isn't sending images to the feed, we're done
-		if ( ! $feed_image || ( in_array( get_post_type(), $skipped_types ) ) ) {
+		if ( ! $feed_image || ( in_array( get_post_type(), $skipped_types, true ) ) ) {
 			return;
 		}