diff --git a/includes/admin/class-wc-admin-settings.php b/includes/admin/class-wc-admin-settings.php
index e0282d6bdaa..469761c33aa 100644
--- a/includes/admin/class-wc-admin-settings.php
+++ b/includes/admin/class-wc-admin-settings.php
@@ -613,7 +613,7 @@ if ( ! class_exists( 'WC_Admin_Settings', false ) ) :
 									<?php
 									if ( ! empty( $countries ) ) {
 										foreach ( $countries as $key => $val ) {
-											echo '<option value="' . esc_attr( $key ) . '" ' . selected( in_array( $key, $selections, true ), true, false ) . '>' . esc_html( $val ) . '</option>';
+											echo '<option value="' . esc_attr( $key ) . '"' . wc_selected( $key, $selections ) . '>' . esc_html( $val ) . '</option>';
 										}
 									}
 									?>
diff --git a/includes/admin/meta-boxes/class-wc-meta-box-coupon-data.php b/includes/admin/meta-boxes/class-wc-meta-box-coupon-data.php
index 00184e23e8e..f1e93ea8be2 100644
--- a/includes/admin/meta-boxes/class-wc-meta-box-coupon-data.php
+++ b/includes/admin/meta-boxes/class-wc-meta-box-coupon-data.php
@@ -232,7 +232,7 @@ class WC_Meta_Box_Coupon_Data {
 
 						if ( $categories ) {
 							foreach ( $categories as $cat ) {
-								echo '<option value="' . esc_attr( $cat->term_id ) . '"' . selected( in_array( $cat->term_id, $category_ids ), true, false ) . '>' . esc_html( $cat->name ) . '</option>';
+								echo '<option value="' . esc_attr( $cat->term_id ) . '"' . wc_selected( $cat->term_id, $category_ids ) . '>' . esc_html( $cat->name ) . '</option>';
 							}
 						}
 						?>
@@ -249,7 +249,7 @@ class WC_Meta_Box_Coupon_Data {
 
 						if ( $categories ) {
 							foreach ( $categories as $cat ) {
-								echo '<option value="' . esc_attr( $cat->term_id ) . '"' . selected( in_array( $cat->term_id, $category_ids ), true, false ) . '>' . esc_html( $cat->name ) . '</option>';
+								echo '<option value="' . esc_attr( $cat->term_id ) . '"' . wc_selected( $cat->term_id, $category_ids ) . '>' . esc_html( $cat->name ) . '</option>';
 							}
 						}
 						?>
diff --git a/includes/admin/meta-boxes/views/html-product-attribute.php b/includes/admin/meta-boxes/views/html-product-attribute.php
index 600cacbb6aa..b3b846f8385 100644
--- a/includes/admin/meta-boxes/views/html-product-attribute.php
+++ b/includes/admin/meta-boxes/views/html-product-attribute.php
@@ -48,7 +48,7 @@ if ( ! defined( 'ABSPATH' ) ) {
 										foreach ( $all_terms as $term ) {
 											$options = $attribute->get_options();
 											$options = ! empty( $options ) ? $options : array();
-											echo '<option value="' . esc_attr( $term->term_id ) . '" ' . selected( in_array( $term->term_id, $options, true ), true, false ) . '>' . esc_attr( apply_filters( 'woocommerce_product_attribute_term_name', $term->name, $term ) ) . '</option>';
+											echo '<option value="' . esc_attr( $term->term_id ) . '"' . wc_selected( $term->term_id, $options ) . '>' . esc_attr( apply_filters( 'woocommerce_product_attribute_term_name', $term->name, $term ) ) . '</option>';
 										}
 									}
 									?>
diff --git a/includes/admin/reports/class-wc-report-coupon-usage.php b/includes/admin/reports/class-wc-report-coupon-usage.php
index d17379da025..59141e02b05 100644
--- a/includes/admin/reports/class-wc-report-coupon-usage.php
+++ b/includes/admin/reports/class-wc-report-coupon-usage.php
@@ -210,7 +210,7 @@ class WC_Report_Coupon_Usage extends WC_Admin_Report {
 							<option value=""><?php esc_html_e( 'All coupons', 'woocommerce' ); ?></option>
 							<?php
 							foreach ( $used_coupons as $coupon ) {
-								echo '<option value="' . esc_attr( $coupon ) . '" ' . selected( in_array( $coupon, $this->coupon_codes ), true, false ) . '>' . esc_html( $coupon ) . '</option>';
+								echo '<option value="' . esc_attr( $coupon ) . '"' . wc_selected( $coupon, $this->coupon_codes ) . '>' . esc_html( $coupon ) . '</option>';
 							}
 							?>
 						</select>
diff --git a/includes/admin/settings/views/html-admin-page-shipping-zone-methods.php b/includes/admin/settings/views/html-admin-page-shipping-zone-methods.php
index 0bf914ea9ad..cacc4bd6495 100644
--- a/includes/admin/settings/views/html-admin-page-shipping-zone-methods.php
+++ b/includes/admin/settings/views/html-admin-page-shipping-zone-methods.php
@@ -38,16 +38,16 @@ if ( ! defined( 'ABSPATH' ) ) {
 					<select multiple="multiple" data-attribute="zone_locations" id="zone_locations" name="zone_locations" data-placeholder="<?php esc_html_e( 'Select regions within this zone', 'woocommerce' ); ?>" class="wc-shipping-zone-region-select chosen_select">
 						<?php
 						foreach ( $continents as $continent_code => $continent ) {
-							echo '<option value="continent:' . esc_attr( $continent_code ) . '" ' . selected( in_array( "continent:$continent_code", $locations ), true, false ) . ' alt="">' . esc_html( $continent['name'] ) . '</option>';
+							echo '<option value="continent:' . esc_attr( $continent_code ) . '"' . wc_selected( "continent:$continent_code", $locations ) . ' alt="">' . esc_html( $continent['name'] ) . '</option>';
 
 							$countries = array_intersect( array_keys( $allowed_countries ), $continent['countries'] );
 
 							foreach ( $countries as $country_code ) {
-								echo '<option value="country:' . esc_attr( $country_code ) . '" ' . selected( in_array( "country:$country_code", $locations ), true, false ) . ' alt="' . esc_attr( $continent['name'] ) . '">' . esc_html( '&nbsp;&nbsp; ' . $allowed_countries[ $country_code ] ) . '</option>';
+								echo '<option value="country:' . esc_attr( $country_code ) . '"' . wc_selected( "country:$country_code", $locations ) . ' alt="' . esc_attr( $continent['name'] ) . '">' . esc_html( '&nbsp;&nbsp; ' . $allowed_countries[ $country_code ] ) . '</option>';
 
 								if ( $states = WC()->countries->get_states( $country_code ) ) {
 									foreach ( $states as $state_code => $state_name ) {
-										echo '<option value="state:' . esc_attr( $country_code . ':' . $state_code ) . '" ' . selected( in_array( "state:$country_code:$state_code", $locations ), true, false ) . ' alt="' . esc_attr( $continent['name'] . ' ' . $allowed_countries[ $country_code ] ) . '">' . esc_html( '&nbsp;&nbsp;&nbsp;&nbsp; ' . $state_name ) . '</option>';
+										echo '<option value="state:' . esc_attr( $country_code . ':' . $state_code ) . '"' . wc_selected( "state:$country_code:$state_code", $locations ) . ' alt="' . esc_attr( $continent['name'] . ' ' . $allowed_countries[ $country_code ] ) . '">' . esc_html( '&nbsp;&nbsp;&nbsp;&nbsp; ' . $state_name ) . '</option>';
 									}
 								}
 							}
diff --git a/includes/admin/wc-meta-box-functions.php b/includes/admin/wc-meta-box-functions.php
index 120d6e1db13..61c451b3484 100644
--- a/includes/admin/wc-meta-box-functions.php
+++ b/includes/admin/wc-meta-box-functions.php
@@ -227,7 +227,7 @@ function woocommerce_wp_select( $field ) {
 		<select <?php echo wc_implode_html_attributes( $field_attributes ); // WPCS: XSS ok. ?>>
 			<?php
 			foreach ( $field['options'] as $key => $value ) {
-				echo '<option value="' . esc_attr( $key ) . '" ' . selected( $field['value'] === $key || ( is_array( $field['value'] ) && in_array( $key, $field['value'], true ) ), true, false ) . '>' . esc_html( $value ) . '</option>';
+				echo '<option value="' . esc_attr( $key ) . '"' . wc_selected( $key, $field['value'] ) . '>' . esc_html( $value ) . '</option>';
 			}
 			?>
 		</select>
diff --git a/includes/wc-core-functions.php b/includes/wc-core-functions.php
index 469a2a11350..6deb9d4860c 100644
--- a/includes/wc-core-functions.php
+++ b/includes/wc-core-functions.php
@@ -2088,3 +2088,20 @@ function wc_round_discount( $value, $precision ) {
 		return round( $value, $precision );
 	}
 }
+
+/**
+ * Return the html selected attribute if stringified $value is found in array of stringified $options
+ * or if stringified $value is the same as scalar stringified $options.
+ *
+ * @param string|int       $value   Value to find within options.
+ * @param string|int|array $options Options to go through when looking for value.
+ * @return string
+ */
+function wc_selected( $value, $options ) {
+	if ( is_array( $options ) ) {
+		$options = array_map( 'strval', $options );
+		return selected( in_array( (string) $value, $options, true ), true, false );
+	}
+
+	return selected( $value, $options, false );
+}
diff --git a/tests/unit-tests/util/class-wc-tests-core-functions.php b/tests/unit-tests/util/class-wc-tests-core-functions.php
index 3edd437242c..94e84516696 100644
--- a/tests/unit-tests/util/class-wc-tests-core-functions.php
+++ b/tests/unit-tests/util/class-wc-tests-core-functions.php
@@ -644,4 +644,53 @@ class WC_Tests_Core_Functions extends WC_Unit_Test_Case {
 			)
 		);
 	}
+
+	/**
+	 * Test: wc_selected
+	 */
+	public function test_wc_selected() {
+		$test_cases = array(
+			// both value and options int.
+			array( 0, 0, true ),
+			array( 0, 1, false ),
+			array( 1, 0, false ),
+
+			// value string, options int.
+			array( '0', 0, true ),
+			array( '0', 1, false ),
+			array( '1', 0, false ),
+
+			// value int, options string.
+			array( 0, '0', true ),
+			array( 0, '1', false ),
+			array( 1, '0', false ),
+
+			// both value and options str.
+			array( '0', '0', true ),
+			array( '0', '1', false ),
+			array( '1', '0', false ),
+
+			// both value and options int.
+			array( 0, array( 0, 1, 2 ), true ),
+			array( 0, array( 1, 1, 1 ), false ),
+
+			// value string, options int.
+			array( '0', array( 0, 1, 2 ), true ),
+			array( '0', array( 1, 1, 1 ), false ),
+
+			// value int, options string.
+			array( 0, array( '0', '1', '2' ), true ),
+			array( 0, array( '1', '1', '1' ), false ),
+
+			// both value and options str.
+			array( '0', array( '0', '1', '2' ), true ),
+			array( '0', array( '1', '1', '1' ), false ),
+		);
+
+		foreach ( $test_cases as $test_case ) {
+			list( $value, $options, $result ) = $test_case;
+			$actual_result = $result ? " selected='selected'" : '';
+			$this->assertEquals( wc_selected( $value, $options ), $actual_result );
+		}
+	}
 }