diff --git a/src/wp-includes/class-wp-http.php b/src/wp-includes/class-wp-http.php
index d364cf4cd5..2472367835 100644
--- a/src/wp-includes/class-wp-http.php
+++ b/src/wp-includes/class-wp-http.php
@@ -251,7 +251,7 @@ class WP_Http {
 		 *
 		 * @since 2.9.0
 		 *
-		 * @param false|array|WP_Error $preempt     A preemptive return value of an HTTP request. Default false.
+		 * @param false|array|WP_Error $response    A preemptive return value of an HTTP request. Default false.
 		 * @param array                $parsed_args HTTP request arguments.
 		 * @param string               $url         The request URL.
 		 */
diff --git a/tests/phpunit/tests/admin/includesFile.php b/tests/phpunit/tests/admin/includesFile.php
index b598a2d3bd..f94d54a566 100644
--- a/tests/phpunit/tests/admin/includesFile.php
+++ b/tests/phpunit/tests/admin/includesFile.php
@@ -68,7 +68,7 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 		remove_filter( 'pre_http_request', array( $this, '_fake_download_url_non_200_response_code' ) );
 	}
 
-	public function _fake_download_url_non_200_response_code( $response, $args, $url ) {
+	public function _fake_download_url_non_200_response_code( $response, $parsed_args, $url ) {
 		file_put_contents( $args['filename'], 'This is an unexpected error message from your favorite server.' );
 		return array(
 			'response' => array(
@@ -150,7 +150,7 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 	 *
 	 * @return array
 	 */
-	public function filter_content_disposition_header_with_filename( $response, $args, $url ) {
+	public function filter_content_disposition_header_with_filename( $response, $parsed_args, $url ) {
 		return array(
 			'response' => array(
 				'code' => 200,
@@ -168,7 +168,7 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 	 *
 	 * @return array
 	 */
-	public function filter_content_disposition_header_with_filename_with_path_traversal( $response, $args, $url ) {
+	public function filter_content_disposition_header_with_filename_with_path_traversal( $response, $parsed_args, $url ) {
 		return array(
 			'response' => array(
 				'code' => 200,
@@ -186,7 +186,7 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 	 *
 	 * @return array
 	 */
-	public function filter_content_disposition_header_with_filename_without_quotes( $response, $args, $url ) {
+	public function filter_content_disposition_header_with_filename_without_quotes( $response, $parsed_args, $url ) {
 		return array(
 			'response' => array(
 				'code' => 200,
@@ -235,7 +235,7 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 	 *
 	 * @return array
 	 */
-	public function filter_content_disposition_header_with_filename_without_context( $response, $args, $url ) {
+	public function filter_content_disposition_header_with_filename_without_context( $response, $parsed_args, $url ) {
 		return array(
 			'response' => array(
 				'code' => 200,
@@ -253,7 +253,7 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 	 *
 	 * @return array
 	 */
-	public function filter_content_disposition_header_with_filename_with_inline_context( $response, $args, $url ) {
+	public function filter_content_disposition_header_with_filename_with_inline_context( $response, $parsed_args, $url ) {
 		return array(
 			'response' => array(
 				'code' => 200,
@@ -271,7 +271,7 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 	 *
 	 * @return array
 	 */
-	public function filter_content_disposition_header_with_filename_with_form_data_context( $response, $args, $url ) {
+	public function filter_content_disposition_header_with_filename_with_form_data_context( $response, $parsed_args, $url ) {
 		return array(
 			'response' => array(
 				'code' => 200,
@@ -365,12 +365,12 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 	/**
 	 * Mock the HTTP request response.
 	 *
-	 * @param bool   $false     False.
-	 * @param array  $arguments Request arguments.
-	 * @param string $url       Request URL.
-	 * @return array|bool
+	 * @param false|array|WP_Error $response    A preemptive return value of an HTTP request. Default false.
+	 * @param array                $parsed_args HTTP request arguments.
+	 * @param string               $url         The request URL.
+	 * @return false|array|WP_Error Response data.
 	 */
-	public function mock_http_request( $false, $arguments, $url ) {
+	public function mock_http_request( $response, $parsed_args, $url ) {
 		if ( 'https://example.com' === $url ) {
 			return array(
 				'response' => array(
@@ -379,6 +379,6 @@ class Tests_Admin_IncludesFile extends WP_UnitTestCase {
 			);
 		}
 
-		return $false;
+		return $response;
 	}
 }
diff --git a/tests/phpunit/tests/admin/wpSiteHealth.php b/tests/phpunit/tests/admin/wpSiteHealth.php
index 8339821791..62697c576c 100644
--- a/tests/phpunit/tests/admin/wpSiteHealth.php
+++ b/tests/phpunit/tests/admin/wpSiteHealth.php
@@ -202,7 +202,7 @@ class Tests_Admin_wpSiteHealth extends WP_UnitTestCase {
 
 		add_filter(
 			'pre_http_request',
-			function ( $r, $parsed_args ) use ( &$responses, &$is_unauthorized, $good_basic_auth, $delay_the_response, $threshold ) {
+			function ( $response, $parsed_args ) use ( &$responses, &$is_unauthorized, $good_basic_auth, $delay_the_response, $threshold ) {
 
 				$expected_response = array_shift( $responses );
 
diff --git a/tests/phpunit/tests/functions/doEnclose.php b/tests/phpunit/tests/functions/doEnclose.php
index 6c06f35182..5fe48b3554 100644
--- a/tests/phpunit/tests/functions/doEnclose.php
+++ b/tests/phpunit/tests/functions/doEnclose.php
@@ -254,12 +254,12 @@ class Tests_Functions_DoEnclose extends WP_UnitTestCase {
 	 *
 	 * @since 5.3.0
 	 *
-	 * @param bool   $false     False.
-	 * @param array  $arguments Request arguments.
-	 * @param string $url       Request URL.
-	 * @return array            Header.
+	 * @param false|array|WP_Error $response    A preemptive return value of an HTTP request. Default false.
+	 * @param array                $parsed_args HTTP request arguments.
+	 * @param string               $url         The request URL.
+	 * @return array Response data.
 	 */
-	public function mock_http_request( $false, $arguments, $url ) {
+	public function mock_http_request( $response, $parsed_args, $url ) {
 
 		// Video and audio headers.
 		$fake_headers = array(
diff --git a/tests/phpunit/tests/http/http.php b/tests/phpunit/tests/http/http.php
index d7278ee16e..ea27d7b0d7 100644
--- a/tests/phpunit/tests/http/http.php
+++ b/tests/phpunit/tests/http/http.php
@@ -584,7 +584,7 @@ class Tests_HTTP_HTTP extends WP_UnitTestCase {
 		// Filter the response made by WP_HTTP::handle_redirects().
 		add_filter(
 			'pre_http_request',
-			function( $response, $args, $url ) use ( &$pre_http_request_filter_has_run ) {
+			function( $response, $parsed_args, $url ) use ( &$pre_http_request_filter_has_run ) {
 				$pre_http_request_filter_has_run = true;
 
 				// Assert the redirect URL is correct.
diff --git a/tests/phpunit/tests/http/wpGetHttpHeaders.php b/tests/phpunit/tests/http/wpGetHttpHeaders.php
index b462d7d8da..aa5be431d8 100644
--- a/tests/phpunit/tests/http/wpGetHttpHeaders.php
+++ b/tests/phpunit/tests/http/wpGetHttpHeaders.php
@@ -44,16 +44,16 @@ class Tests_HTTP_wpGetHttpHeaders extends WP_UnitTestCase {
 	/**
 	 * Mock the HTTP request response
 	 *
-	 * @param bool   $false     False.
-	 * @param array  $arguments Request arguments.
-	 * @param string $url       Request URL.
-	 * @return array|bool
+	 * @param false|array|WP_Error $response    A preemptive return value of an HTTP request. Default false.
+	 * @param array                $parsed_args HTTP request arguments.
+	 * @param string               $url         The request URL.
+	 * @return false|array|WP_Error Response data.
 	 */
-	public function mock_http_request( $false, $arguments, $url ) {
+	public function mock_http_request( $response, $parsed_args, $url ) {
 		if ( 'http://example.com' === $url ) {
 			return array( 'headers' => true );
 		}
 
-		return false;
+		return $response;
 	}
 }
diff --git a/tests/phpunit/tests/https-detection.php b/tests/phpunit/tests/https-detection.php
index 1ae5af1309..a30ceb146e 100644
--- a/tests/phpunit/tests/https-detection.php
+++ b/tests/phpunit/tests/https-detection.php
@@ -264,37 +264,37 @@ class Tests_HTTPS_Detection extends WP_UnitTestCase {
 		$this->assertNull( wp_is_local_html_output( $html ) );
 	}
 
-	public function record_request_url( $preempt, $parsed_args, $url ) {
+	public function record_request_url( $response, $parsed_args, $url ) {
 		$this->last_request_url = $url;
-		return $preempt;
+		return $response;
 	}
 
-	public function mock_success_with_sslverify( $preempt, $parsed_args ) {
+	public function mock_success_with_sslverify( $response, $parsed_args ) {
 		if ( ! empty( $parsed_args['sslverify'] ) ) {
 			return $this->mock_success();
 		}
-		return $preempt;
+		return $response;
 	}
 
-	public function mock_error_with_sslverify( $preempt, $parsed_args ) {
+	public function mock_error_with_sslverify( $response, $parsed_args ) {
 		if ( ! empty( $parsed_args['sslverify'] ) ) {
 			return $this->mock_error();
 		}
-		return $preempt;
+		return $response;
 	}
 
-	public function mock_success_without_sslverify( $preempt, $parsed_args ) {
+	public function mock_success_without_sslverify( $response, $parsed_args ) {
 		if ( empty( $parsed_args['sslverify'] ) ) {
 			return $this->mock_success();
 		}
-		return $preempt;
+		return $response;
 	}
 
-	public function mock_error_without_sslverify( $preempt, $parsed_args ) {
+	public function mock_error_without_sslverify( $response, $parsed_args ) {
 		if ( empty( $parsed_args['sslverify'] ) ) {
 			return $this->mock_error();
 		}
-		return $preempt;
+		return $response;
 	}
 
 	public function mock_not_found() {
diff --git a/tests/phpunit/tests/oembed/controller.php b/tests/phpunit/tests/oembed/controller.php
index 25d95e7a8c..238b1faf1f 100644
--- a/tests/phpunit/tests/oembed/controller.php
+++ b/tests/phpunit/tests/oembed/controller.php
@@ -84,13 +84,13 @@ class Test_oEmbed_Controller extends WP_UnitTestCase {
 	/**
 	 * Intercept oEmbed requests and mock responses.
 	 *
-	 * @param mixed  $preempt Whether to preempt an HTTP request's return value. Default false.
-	 * @param mixed  $r       HTTP request arguments.
-	 * @param string $url     The request URL.
+	 * @param false|array|WP_Error $response    A preemptive return value of an HTTP request. Default false.
+	 * @param array                $parsed_args HTTP request arguments.
+	 * @param string               $url         The request URL.
 	 * @return array Response data.
 	 */
-	public function mock_embed_request( $preempt, $r, $url ) {
-		unset( $preempt, $r );
+	public function mock_embed_request( $response, $parsed_args, $url ) {
+		unset( $response, $parsed_args );
 
 		$parsed_url = wp_parse_url( $url );
 		$query      = isset( $parsed_url['query'] ) ? $parsed_url['query'] : '';
diff --git a/tests/phpunit/tests/rest-api/rest-block-directory-controller.php b/tests/phpunit/tests/rest-api/rest-block-directory-controller.php
index af014d93fd..fd679dbb7b 100644
--- a/tests/phpunit/tests/rest-api/rest-block-directory-controller.php
+++ b/tests/phpunit/tests/rest-api/rest-block-directory-controller.php
@@ -274,13 +274,13 @@ class WP_REST_Block_Directory_Controller_Test extends WP_Test_REST_Controller_Te
 	private function prevent_requests_to_host( $blocked_host = 'api.wordpress.org' ) {
 		add_filter(
 			'pre_http_request',
-			static function ( $return, $args, $url ) use ( $blocked_host ) {
+			static function ( $response, $parsed_args, $url ) use ( $blocked_host ) {
 				if ( @parse_url( $url, PHP_URL_HOST ) === $blocked_host ) {
 					return new WP_Error( 'plugins_api_failed', "An expected error occurred connecting to $blocked_host because of a unit test", "cURL error 7: Failed to connect to $blocked_host port 80: Connection refused" );
 
 				}
 
-				return $return;
+				return $response;
 			},
 			10,
 			3
diff --git a/tests/phpunit/tests/rest-api/rest-pattern-directory-controller.php b/tests/phpunit/tests/rest-api/rest-pattern-directory-controller.php
index 22a9e08ad1..a59c8fd5e0 100644
--- a/tests/phpunit/tests/rest-api/rest-pattern-directory-controller.php
+++ b/tests/phpunit/tests/rest-api/rest-pattern-directory-controller.php
@@ -522,10 +522,10 @@ class WP_REST_Pattern_Directory_Controller_Test extends WP_Test_REST_Controller_
 	private static function mock_successful_response( $action, $expects_results ) {
 		add_filter(
 			'pre_http_request',
-			static function ( $preempt, $args, $url ) use ( $action, $expects_results ) {
+			static function ( $response, $parsed_args, $url ) use ( $action, $expects_results ) {
 
 				if ( 'api.wordpress.org' !== wp_parse_url( $url, PHP_URL_HOST ) ) {
-					return $preempt;
+					return $response;
 				}
 
 				$response = array(
@@ -556,7 +556,7 @@ class WP_REST_Pattern_Directory_Controller_Test extends WP_Test_REST_Controller_
 	private static function prevent_requests_to_host( $blocked_host = 'api.wordpress.org' ) {
 		add_filter(
 			'pre_http_request',
-			static function ( $return, $args, $url ) use ( $blocked_host ) {
+			static function ( $response, $parsed_args, $url ) use ( $blocked_host ) {
 
 				if ( wp_parse_url( $url, PHP_URL_HOST ) === $blocked_host ) {
 					return new WP_Error(
@@ -567,7 +567,7 @@ class WP_REST_Pattern_Directory_Controller_Test extends WP_Test_REST_Controller_
 
 				}
 
-				return $return;
+				return $response;
 			},
 			10,
 			3
diff --git a/tests/phpunit/tests/rest-api/rest-plugins-controller.php b/tests/phpunit/tests/rest-api/rest-plugins-controller.php
index 3143c6a761..d9fcdd2609 100644
--- a/tests/phpunit/tests/rest-api/rest-plugins-controller.php
+++ b/tests/phpunit/tests/rest-api/rest-plugins-controller.php
@@ -1139,13 +1139,13 @@ PHP;
 	private function prevent_requests_to_host( $blocked_host = 'api.wordpress.org' ) {
 		add_filter(
 			'pre_http_request',
-			static function ( $return, $args, $url ) use ( $blocked_host ) {
+			static function ( $response, $parsed_args, $url ) use ( $blocked_host ) {
 				if ( @parse_url( $url, PHP_URL_HOST ) === $blocked_host ) {
 					return new WP_Error( 'plugins_api_failed', "An expected error occurred connecting to $blocked_host because of a unit test", "cURL error 7: Failed to connect to $blocked_host port 80: Connection refused" );
 
 				}
 
-				return $return;
+				return $response;
 			},
 			10,
 			3
diff --git a/tests/phpunit/tests/rest-api/rest-schema-setup.php b/tests/phpunit/tests/rest-api/rest-schema-setup.php
index c58af7c346..9347f33256 100644
--- a/tests/phpunit/tests/rest-api/rest-schema-setup.php
+++ b/tests/phpunit/tests/rest-api/rest-schema-setup.php
@@ -34,8 +34,8 @@ class WP_Test_REST_Schema_Initialization extends WP_Test_REST_TestCase {
 		parent::tear_down();
 	}
 
-	public function mock_embed_request( $preempt, $r, $url ) {
-		unset( $preempt, $r );
+	public function mock_embed_request( $response, $parsed_args, $url ) {
+		unset( $response, $parsed_args );
 
 		// Mock request to YouTube Embed.
 		if ( false !== strpos( $url, self::YOUTUBE_VIDEO_ID ) ) {
diff --git a/tests/phpunit/tests/rest-api/wpRestUrlDetailsController.php b/tests/phpunit/tests/rest-api/wpRestUrlDetailsController.php
index 6e2dc1f1f6..41d0438a57 100644
--- a/tests/phpunit/tests/rest-api/wpRestUrlDetailsController.php
+++ b/tests/phpunit/tests/rest-api/wpRestUrlDetailsController.php
@@ -1096,20 +1096,20 @@ class Tests_REST_WpRestUrlDetailsController extends WP_Test_REST_Controller_Test
 	 *
 	 * @return array faux/mocked response.
 	 */
-	public function mock_success_request_to_remote_url( $response, $args ) {
-		return $this->mock_request_to_remote_url( 'success', $args );
+	public function mock_success_request_to_remote_url( $response, $parsed_args ) {
+		return $this->mock_request_to_remote_url( 'success', $parsed_args );
 	}
 
-	public function mock_failed_request_to_remote_url( $response, $args ) {
-		return $this->mock_request_to_remote_url( 'failure', $args );
+	public function mock_failed_request_to_remote_url( $response, $parsed_args ) {
+		return $this->mock_request_to_remote_url( 'failure', $parsed_args );
 	}
 
-	public function mock_request_to_remote_url_with_empty_body_response( $response, $args ) {
-		return $this->mock_request_to_remote_url( 'empty_body', $args );
+	public function mock_request_to_remote_url_with_empty_body_response( $response, $parsed_args ) {
+		return $this->mock_request_to_remote_url( 'empty_body', $parsed_args );
 	}
 
-	private function mock_request_to_remote_url( $result_type, $args ) {
-		$this->request_args = $args;
+	private function mock_request_to_remote_url( $result_type, $parsed_args ) {
+		$this->request_args = $parsed_args;
 
 		$types = array(
 			'success',