diff --git a/conf/config.neon b/conf/config.neon
index 16bb587638..6f4076a3dd 100644
--- a/conf/config.neon
+++ b/conf/config.neon
@@ -136,6 +136,8 @@ parameters:
 		- ../stubs/typeCheckingFunctions.stub
 		- ../stubs/Countable.stub
 		- ../stubs/file.stub
+		- ../stubs/stream_socket_client.stub
+		- ../stubs/stream_socket_server.stub
 	earlyTerminatingMethodCalls: []
 	earlyTerminatingFunctionCalls: []
 	resultCachePath: %tmpDir%/resultCache.php
diff --git a/stubs/stream_socket_client.stub b/stubs/stream_socket_client.stub
new file mode 100644
index 0000000000..d5e6a7f13b
--- /dev/null
+++ b/stubs/stream_socket_client.stub
@@ -0,0 +1,20 @@
+<?php
+
+/**
+ * @param int|null $error_code
+ * @param-out int|null $error_code
+ * @param string|null $error_message
+ * @param-out string|null $error_message
+ * @param float|null $timeout
+ * @param resource|null $context
+ * @return resource|false
+ */
+function stream_socket_client(
+    string $address,
+    &$error_code = null,
+    &$error_message = null,
+    $timeout = null,
+    int $flags = STREAM_CLIENT_CONNECT,
+    $context = null
+) {
+}
diff --git a/stubs/stream_socket_server.stub b/stubs/stream_socket_server.stub
new file mode 100644
index 0000000000..2bfe3cd175
--- /dev/null
+++ b/stubs/stream_socket_server.stub
@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * @param int|null $error_code
+ * @param-out int|null $error_code
+ * @param string|null $error_message
+ * @param-out string|null $error_message
+ * @param resource|null $context
+ * @return resource|false
+ */
+function stream_socket_server(
+    string $address,
+    &$error_code = null,
+    &$error_message = null,
+    int $flags = STREAM_SERVER_BIND | STREAM_SERVER_LISTEN,
+    $context = null
+) {
+}