diff --git a/Zend/zend_extensions.c b/Zend/zend_extensions.c
index a4e5a38f90d89..140b900a3c89d 100644
--- a/Zend/zend_extensions.c
+++ b/Zend/zend_extensions.c
@@ -19,6 +19,7 @@
 
 #include "zend_extensions.h"
 #include "zend_system_id.h"
+#include "SAPI.h"
 
 ZEND_API zend_llist zend_extensions;
 ZEND_API uint32_t zend_extension_flags = 0;
diff --git a/Zend/zend_portability.h b/Zend/zend_portability.h
index 3b2278d545637..ec461a029ff3a 100644
--- a/Zend/zend_portability.h
+++ b/Zend/zend_portability.h
@@ -165,7 +165,11 @@
 # if defined(RTLD_GROUP) && defined(RTLD_WORLD) && defined(RTLD_PARENT)
 #  define DL_LOAD(libname)			dlopen(libname, PHP_RTLD_MODE | RTLD_GLOBAL | RTLD_GROUP | RTLD_WORLD | RTLD_PARENT)
 # elif defined(RTLD_DEEPBIND) && !defined(__SANITIZE_ADDRESS__) && !__has_feature(memory_sanitizer)
-#  define DL_LOAD(libname)			dlopen(libname, PHP_RTLD_MODE | RTLD_GLOBAL | RTLD_DEEPBIND)
+#  if defined(LM_ID_NEWLM)
+#    define DL_LOAD(libname)			dlopen(libname, PHP_RTLD_MODE | RTLD_GLOBAL | ((sapi_module.flags & SAPI_MODULE_FLAG_ISOLATE_SYMBOLS) != 0 ? RTLD_DEEPBIND : 0))
+#  else
+#    define DL_LOAD(libname)			dlopen(libname, PHP_RTLD_MODE | RTLD_GLOBAL | RTLD_DEEPBIND)
+#  endif
 # else
 #  define DL_LOAD(libname)			dlopen(libname, PHP_RTLD_MODE | RTLD_GLOBAL)
 # endif
diff --git a/main/SAPI.h b/main/SAPI.h
index 284f4cb96f1fa..0ff632738c8bd 100644
--- a/main/SAPI.h
+++ b/main/SAPI.h
@@ -234,6 +234,8 @@ SAPI_API double sapi_get_request_time(void);
 SAPI_API void sapi_terminate_process(void);
 END_EXTERN_C()
 
+#define SAPI_MODULE_FLAG_ISOLATE_SYMBOLS (1<<0)
+
 struct _sapi_module_struct {
 	char *name;
 	char *pretty_name;
@@ -287,6 +289,8 @@ struct _sapi_module_struct {
 	const char *ini_entries;
 	const zend_function_entry *additional_functions;
 	unsigned int (*input_filter_init)(void);
+
+	unsigned int flags;
 };
 
 struct _sapi_post_entry {
@@ -321,22 +325,25 @@ SAPI_API SAPI_TREAT_DATA_FUNC(php_default_treat_data);
 SAPI_API SAPI_INPUT_FILTER_FUNC(php_default_input_filter);
 END_EXTERN_C()
 
-#define STANDARD_SAPI_MODULE_PROPERTIES \
-	NULL, /* php_ini_path_override   */ \
-	NULL, /* default_post_reader     */ \
-	NULL, /* treat_data              */ \
-	NULL, /* executable_location     */ \
-	0,    /* php_ini_ignore          */ \
-	0,    /* php_ini_ignore_cwd      */ \
-	NULL, /* get_fd                  */ \
-	NULL, /* force_http_10           */ \
-	NULL, /* get_target_uid          */ \
-	NULL, /* get_target_gid          */ \
-	NULL, /* input_filter            */ \
-	NULL, /* ini_defaults            */ \
-	0,    /* phpinfo_as_text;        */ \
-	NULL, /* ini_entries;            */ \
-	NULL, /* additional_functions    */ \
-	NULL  /* input_filter_init       */
+#define STANDARD_SAPI_MODULE_PROPERTIES STANDARD_SAPI_MODULE_PROPERTIES_WITH_FLAGS(0)
+
+#define STANDARD_SAPI_MODULE_PROPERTIES_WITH_FLAGS(_flags) \
+	NULL,    /* php_ini_path_override   */ \
+	NULL,    /* default_post_reader     */ \
+	NULL,    /* treat_data              */ \
+	NULL,    /* executable_location     */ \
+	0,       /* php_ini_ignore          */ \
+	0,       /* php_ini_ignore_cwd      */ \
+	NULL,    /* get_fd                  */ \
+	NULL,    /* force_http_10           */ \
+	NULL,    /* get_target_uid          */ \
+	NULL,    /* get_target_gid          */ \
+	NULL,    /* input_filter            */ \
+	NULL,    /* ini_defaults            */ \
+	0,       /* phpinfo_as_text;        */ \
+	NULL,    /* ini_entries;            */ \
+	NULL,    /* additional_functions    */ \
+	NULL,    /* input_filter_init       */ \
+	(_flags) /* flags                   */
 
 #endif /* SAPI_H */
diff --git a/sapi/apache2handler/sapi_apache2.c b/sapi/apache2handler/sapi_apache2.c
index 1d85a92ebf4d8..73c10b8f792a6 100644
--- a/sapi/apache2handler/sapi_apache2.c
+++ b/sapi/apache2handler/sapi_apache2.c
@@ -415,7 +415,7 @@ static sapi_module_struct apache2_sapi_module = {
 	php_apache_sapi_get_request_time,		/* Request Time */
 	NULL,						/* Child Terminate */
 
-	STANDARD_SAPI_MODULE_PROPERTIES
+	STANDARD_SAPI_MODULE_PROPERTIES_WITH_FLAGS(SAPI_MODULE_FLAG_ISOLATE_SYMBOLS)
 };
 
 static apr_status_t php_apache_server_shutdown(void *tmp)
diff --git a/sapi/litespeed/lsapilib.c b/sapi/litespeed/lsapilib.c
index ce97f0bbe9dc7..eec81507de3ea 100644
--- a/sapi/litespeed/lsapilib.c
+++ b/sapi/litespeed/lsapilib.c
@@ -93,6 +93,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #endif
 
 #include <Zend/zend_portability.h>
+#include "main/SAPI.h"
 
 struct lsapi_MD5Context {
     uint32 buf[4];
diff --git a/sapi/litespeed/lscriu.c b/sapi/litespeed/lscriu.c
index 409fe989b5551..05b122cc57633 100644
--- a/sapi/litespeed/lscriu.c
+++ b/sapi/litespeed/lscriu.c
@@ -85,6 +85,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "lscriu.h"
 
 #include <Zend/zend_portability.h>
+#include "main/SAPI.h"
 
 #define  LSCRIU_PATH    256
 
diff --git a/sapi/phpdbg/phpdbg_prompt.c b/sapi/phpdbg/phpdbg_prompt.c
index 92c139fa52abe..88ea4b65858a8 100644
--- a/sapi/phpdbg/phpdbg_prompt.c
+++ b/sapi/phpdbg/phpdbg_prompt.c
@@ -19,6 +19,7 @@
 #include <stdio.h>
 #include <string.h>
 #include "zend.h"
+#include "main/SAPI.h"
 #include "zend_compile.h"
 #include "zend_exceptions.h"
 #include "zend_vm.h"