diff --git a/ext/snmp/snmp.c b/ext/snmp/snmp.c
index d116339dd1f40..c52e7edec07c6 100644
--- a/ext/snmp/snmp.c
+++ b/ext/snmp/snmp.c
@@ -91,6 +91,8 @@ typedef struct snmp_session php_snmp_session;
 	} \
 }
 
+static int mib_needs_reset;
+
 ZEND_DECLARE_MODULE_GLOBALS(snmp)
 static PHP_GINIT_FUNCTION(snmp);
 
@@ -1628,6 +1630,7 @@ PHP_FUNCTION(snmp_read_mib)
 		RETURN_THROWS();
 	}
 
+	mib_needs_reset = 1;
 	if (!read_mib(filename)) {
 		char *error = strerror(errno);
 		php_error_docref(NULL, E_WARNING, "Error while reading MIB file '%s': %s", filename, error);
@@ -1637,6 +1640,27 @@ PHP_FUNCTION(snmp_read_mib)
 }
 /* }}} */
 
+/* {{{ Resets the MIB tree and set the mib directories to the provided mibdirs. */
+PHP_FUNCTION(snmp_init_mib)
+{
+	zend_string *mibdirs = NULL;
+
+	ZEND_PARSE_PARAMETERS_START(0, 1)
+		Z_PARAM_OPTIONAL
+		Z_PARAM_STR_OR_NULL(mibdirs)
+	ZEND_PARSE_PARAMETERS_END();
+
+	// If the mibdirs has been changed, we need to reset the MIB tree at the end of the request
+	if (mibdirs != NULL) {
+		mib_needs_reset = 1;
+	}
+
+	shutdown_mib();
+	netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_MIBDIRS, ZSTR_VAL(mibdirs));
+	init_mib();
+}
+/* }}} */
+
 /* {{{ Creates a new SNMP session to specified host. */
 PHP_METHOD(SNMP, __construct)
 {
@@ -2173,6 +2197,19 @@ PHP_MSHUTDOWN_FUNCTION(snmp)
 }
 /* }}} */
 
+/* {{{ PHP_RSHUTDOWN_FUNCTION */
+static PHP_RSHUTDOWN_FUNCTION(snmp)
+{
+	if (mib_needs_reset) {
+		shutdown_mib();
+		netsnmp_ds_set_string(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_MIBDIRS, NULL);
+		init_mib();
+	}
+
+	return SUCCESS;
+}
+/* }}} */
+
 /* {{{ PHP_MINFO_FUNCTION */
 PHP_MINFO_FUNCTION(snmp)
 {
@@ -2200,7 +2237,7 @@ zend_module_entry snmp_module_entry = {
 	PHP_MINIT(snmp),
 	PHP_MSHUTDOWN(snmp),
 	NULL,
-	NULL,
+	PHP_RSHUTDOWN(snmp),
 	PHP_MINFO(snmp),
 	PHP_SNMP_VERSION,
 	PHP_MODULE_GLOBALS(snmp),
diff --git a/ext/snmp/snmp.stub.php b/ext/snmp/snmp.stub.php
index 0a303aea77ff0..9bfb47e640dd3 100644
--- a/ext/snmp/snmp.stub.php
+++ b/ext/snmp/snmp.stub.php
@@ -181,6 +181,8 @@ function snmp_get_valueretrieval(): int {}
 
 function snmp_read_mib(string $filename): bool {}
 
+function snmp_init_mib(?string $mibdirs): void {}
+
 class SNMP
 {
     /** @cvalue SNMP_VERSION_1 */
diff --git a/ext/snmp/snmp_arginfo.h b/ext/snmp/snmp_arginfo.h
index 1ee821f0538da..7e3d647ed7e21 100644
--- a/ext/snmp/snmp_arginfo.h
+++ b/ext/snmp/snmp_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit snmp.stub.php instead.
- * Stub hash: e2451ac3ea0fa5eb1158e8b7252e61c6794d514f */
+ * Stub hash: 68dd2791d2ed4c931d99e012f6dc2d5d6f5e23b4 */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_snmpget, 0, 3, IS_MIXED, 0)
 	ZEND_ARG_TYPE_INFO(0, hostname, IS_STRING, 0)
@@ -114,6 +114,10 @@ ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_snmp_read_mib, 0, 1, _IS_BOOL, 0
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)
 ZEND_END_ARG_INFO()
 
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_snmp_init_mib, 0, 1, IS_VOID, 0)
+	ZEND_ARG_TYPE_INFO(0, mibdirs, IS_STRING, 1)
+ZEND_END_ARG_INFO()
+
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_SNMP___construct, 0, 0, 3)
 	ZEND_ARG_TYPE_INFO(0, version, IS_LONG, 0)
 	ZEND_ARG_TYPE_INFO(0, hostname, IS_STRING, 0)
@@ -185,6 +189,7 @@ ZEND_FUNCTION(snmp3_set);
 ZEND_FUNCTION(snmp_set_valueretrieval);
 ZEND_FUNCTION(snmp_get_valueretrieval);
 ZEND_FUNCTION(snmp_read_mib);
+ZEND_FUNCTION(snmp_init_mib);
 ZEND_METHOD(SNMP, __construct);
 ZEND_METHOD(SNMP, close);
 ZEND_METHOD(SNMP, setSecurity);
@@ -220,6 +225,7 @@ static const zend_function_entry ext_functions[] = {
 	ZEND_FE(snmp_set_valueretrieval, arginfo_snmp_set_valueretrieval)
 	ZEND_FE(snmp_get_valueretrieval, arginfo_snmp_get_valueretrieval)
 	ZEND_FE(snmp_read_mib, arginfo_snmp_read_mib)
+	ZEND_FE(snmp_init_mib, arginfo_snmp_init_mib)
 	ZEND_FE_END
 };