diff --git a/inc/class-external-permalinks-redux-block-editor.php b/inc/class-external-permalinks-redux-block-editor.php
index c02f3bf4c37f2ca1351253eef97101e87c21efdd..db496dd4900daa15164c3017e0141ea5782bb067 100644
--- a/inc/class-external-permalinks-redux-block-editor.php
+++ b/inc/class-external-permalinks-redux-block-editor.php
@@ -108,8 +108,8 @@ class External_Permalinks_Redux_Block_Editor {
 		}
 
 		if (
-			$meta_key === external_permalinks_redux::get_instance()->meta_key_target
-			|| $meta_key === external_permalinks_redux::get_instance()->meta_key_type
+			external_permalinks_redux::get_instance()->meta_key_target === $meta_key
+			|| external_permalinks_redux::get_instance()->meta_key_type === $meta_key
 		) {
 			return false;
 		}
@@ -161,18 +161,18 @@ class External_Permalinks_Redux_Block_Editor {
 	 */
 	protected function _get_status_codes() {
 		$codes = external_permalinks_redux::get_instance()->status_codes;
-		$formatted = [
-			[
+		$formatted = array(
+			array(
 				'label'    => __( '-- Select --', 'external-permalinks-redux' ),
 				'value'    => 0,
-			],
-		];
+			),
+		);
 
 		foreach ( $codes as $code => $label ) {
-			$formatted[] = [
+			$formatted[] = array(
 				'label' => $label,
 				'value' => $code,
-			];
+			);
 		}
 
 		return $formatted;
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index 51a091004dd54563200c6075aa48a2a088c3bd92..bfbc6b5eb282422f4fe77ec870129006fb987c74 100755
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -5,6 +5,7 @@
  * @package External_Permalinks_Redux
  */
 
+// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedVariableFound
 $_tests_dir = getenv( 'WP_TESTS_DIR' );
 
 if ( ! $_tests_dir ) {
@@ -22,10 +23,10 @@ require_once $_tests_dir . '/includes/functions.php';
 /**
  * Manually load the plugin being tested.
  */
-function _manually_load_plugin() {
+function epr__manually_load_plugin() {
 	require dirname( dirname( __FILE__ ) ) . '/external-permalinks-redux.php';
 }
-tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );
+tests_add_filter( 'muplugins_loaded', 'epr__manually_load_plugin' );
 
 // Start up the WP testing environment.
 require $_tests_dir . '/includes/bootstrap.php';
diff --git a/tests/test-admin-callbacks.php b/tests/test-admin-callbacks.php
index 2b37ed38b1be68e9e46fddea00cd11925778f071..1bf8d25c27d1b02b8393f21a1d4de1288e451e5d 100755
--- a/tests/test-admin-callbacks.php
+++ b/tests/test-admin-callbacks.php
@@ -79,12 +79,12 @@ class AdminCallbacks extends WP_UnitTestCase {
 		add_filter( 'use_block_editor_for_post', '__return_false' );
 
 		$_POST[ $this->plugin->meta_key_target . '_nonce' ] = $this->nonce;
-		$_POST[ $this->plugin->meta_key_target . '_url' ] = static::DESTINATION;
-		$_POST[ $this->plugin->meta_key_target . '_type' ] = static::TYPE;
+		$_POST[ $this->plugin->meta_key_target . '_url' ] = self::DESTINATION;
+		$_POST[ $this->plugin->meta_key_target . '_type' ] = self::TYPE;
 
 		$this->plugin->action_save_post( $this->post_id );
 
-		$this->assertStringContainsString( static::DESTINATION, get_post_meta( $this->post_id, $this->plugin->meta_key_target, true ) );
-		$this->assertStringContainsString( (string) static::TYPE, get_post_meta( $this->post_id, $this->plugin->meta_key_type, true ) );
+		$this->assertStringContainsString( self::DESTINATION, get_post_meta( $this->post_id, $this->plugin->meta_key_target, true ) );
+		$this->assertStringContainsString( (string) self::TYPE, get_post_meta( $this->post_id, $this->plugin->meta_key_type, true ) );
 	}
 }
diff --git a/tests/test-class-external-permalinks-redux-block-editor.php b/tests/test-class-external-permalinks-redux-block-editor.php
index c563510e15bce73faf30d60e815dacd030c83539..ed460ad828ad2636b9afa58ec7980be518ae4829 100644
--- a/tests/test-class-external-permalinks-redux-block-editor.php
+++ b/tests/test-class-external-permalinks-redux-block-editor.php
@@ -2,7 +2,7 @@
 /**
  * Test block-editor integration.
  *
- * @pacakge External_Permalinks_Redux
+ * @package External_Permalinks_Redux
  */
 
 /**
@@ -12,6 +12,8 @@
  */
 class TestClassExternalPermalinksReduxBlockEditor extends WP_UnitTestCase {
 	/**
+	 * Test meta registration.
+	 *
 	 * @covers ::register_meta()
 	 */
 	public function test_register_meta() {
@@ -19,6 +21,8 @@ class TestClassExternalPermalinksReduxBlockEditor extends WP_UnitTestCase {
 	}
 
 	/**
+	 * Test overridding private meta editing.
+	 *
 	 * @covers ::allow_meta_updates()
 	 */
 	public function test_allow_meta_updates() {
@@ -26,6 +30,8 @@ class TestClassExternalPermalinksReduxBlockEditor extends WP_UnitTestCase {
 	}
 
 	/**
+	 * Test script enqueueing.
+	 *
 	 * @covers ::enqueue()
 	 */
 	public function test_enqueue() {
diff --git a/tests/test-permalink-filters.php b/tests/test-permalink-filters.php
index ea3f2e40c6a970b7f33b6a1b5603277c45911b07..35e70c591998f4fb87fe75a0118ffe67b4e4cb32 100755
--- a/tests/test-permalink-filters.php
+++ b/tests/test-permalink-filters.php
@@ -42,7 +42,7 @@ class PermalinkFilters extends WP_UnitTestCase {
 			)
 		);
 
-		update_post_meta( $this->post_id, $plugin->meta_key_target, static::DESTINATION );
+		update_post_meta( $this->post_id, $plugin->meta_key_target, self::DESTINATION );
 
 		$this->page_id = $this->factory->post->create(
 			array(
@@ -50,20 +50,20 @@ class PermalinkFilters extends WP_UnitTestCase {
 			)
 		);
 
-		update_post_meta( $this->page_id, $plugin->meta_key_target, static::DESTINATION );
+		update_post_meta( $this->page_id, $plugin->meta_key_target, self::DESTINATION );
 	}
 
 	/**
 	 * Test post permalink filter.
 	 */
 	public function test_post() {
-		$this->assertEquals( static::DESTINATION, get_permalink( $this->post_id ) );
+		$this->assertEquals( self::DESTINATION, get_permalink( $this->post_id ) );
 	}
 
 	/**
 	 * Test page link filter.
 	 */
 	public function test_page() {
-		$this->assertEquals( static::DESTINATION, get_page_link( $this->page_id ) );
+		$this->assertEquals( self::DESTINATION, get_page_link( $this->page_id ) );
 	}
 }
diff --git a/tests/test-redirect-callbacks.php b/tests/test-redirect-callbacks.php
index a09b89f30a69c04b9a16dd1b3afdd14dc0a8f602..5c14b09d83437228f4c5d8c77f890fe9c3967918 100755
--- a/tests/test-redirect-callbacks.php
+++ b/tests/test-redirect-callbacks.php
@@ -48,11 +48,11 @@ class RedirectCallbacks extends WP_UnitTestCase {
 	 */
 	public function test_post_redirect_default_status() {
 		$post_id = $this->get_new_post();
-		update_post_meta( $post_id, $this->plugin->meta_key_target, static::DESTINATION );
+		update_post_meta( $post_id, $this->plugin->meta_key_target, self::DESTINATION );
 
 		$redirect = $this->plugin->get_redirect_data( $post_id );
 
-		$this->assertEquals( static::DESTINATION, $redirect['link'] );
+		$this->assertEquals( self::DESTINATION, $redirect['link'] );
 		$this->assertEquals( 302, $redirect['type'] );
 	}
 
@@ -61,12 +61,12 @@ class RedirectCallbacks extends WP_UnitTestCase {
 	 */
 	public function test_post_redirect_custom_status() {
 		$post_id = $this->get_new_post();
-		update_post_meta( $post_id, $this->plugin->meta_key_target, static::DESTINATION );
+		update_post_meta( $post_id, $this->plugin->meta_key_target, self::DESTINATION );
 		update_post_meta( $post_id, $this->plugin->meta_key_type, 307 );
 
 		$redirect = $this->plugin->get_redirect_data( $post_id );
 
-		$this->assertEquals( static::DESTINATION, $redirect['link'] );
+		$this->assertEquals( self::DESTINATION, $redirect['link'] );
 		$this->assertEquals( 307, $redirect['type'] );
 	}