diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c
index 1bf857151caca..08c5e7c8f2bb8 100644
--- a/Zend/zend_execute.c
+++ b/Zend/zend_execute.c
@@ -2299,6 +2299,14 @@ static zend_always_inline void zend_fetch_dimension_address(zval *result, zval *
 						return;
 					}
 				}
+				if (Z_TYPE_P(container) >= IS_NULL) {
+					zend_error(E_DEPRECATED,
+						"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(container) == IS_NULL ? "null" : "false");
+					if (UNEXPECTED(EG(exception))) {
+						ZVAL_UNDEF(result);
+						return;
+					}
+				}
 				array_init(container);
 				goto fetch_from_array;
 			} else {
@@ -2354,6 +2362,14 @@ static zend_always_inline void zend_fetch_dimension_address(zval *result, zval *
 				ZVAL_UNDEFINED_OP1();
 			}
 			if (type != BP_VAR_UNSET) {
+				if (Z_TYPE_P(container) >= IS_NULL) {
+					zend_error(E_DEPRECATED,
+						"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(container) == IS_NULL ? "null" : "false");
+					if (UNEXPECTED(EG(exception))) {
+						ZVAL_UNDEF(result);
+						return;
+					}
+				}
 				array_init(container);
 				goto fetch_from_array;
 			} else {
@@ -2863,6 +2879,7 @@ static zend_always_inline void zend_fetch_property_address(zval *result, zval *c
 		name = zval_get_tmp_string(prop_ptr, &tmp_name);
 	}
 	ptr = zobj->handlers->get_property_ptr_ptr(zobj, name, type, cache_slot);
+	// XXX this will create the property if it does not exist and set the type to IS_NULL (only if it is a dynamic property)
 	if (NULL == ptr) {
 		ptr = zobj->handlers->read_property(zobj, name, type, cache_slot, result);
 		if (ptr == result) {
@@ -2882,6 +2899,18 @@ static zend_always_inline void zend_fetch_property_address(zval *result, zval *c
 
 	ZVAL_INDIRECT(result, ptr);
 	if (flags) {
+		if (flags == ZEND_FETCH_DIM_WRITE) {
+			// XXX this will emit a false positive for `$obj->unsetProp[] = 123;` because of the conversion of undefined to the null array.
+			if (Z_TYPE_P(ptr) >= IS_NULL && Z_TYPE_P(ptr) <= IS_FALSE) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on property field assignment is deprecated", Z_TYPE_P(ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					ZVAL_ERROR(result);
+					goto end;
+				}
+			}
+		}
+
 		zend_property_info *prop_info;
 
 		if (prop_op_type == IS_CONST) {
diff --git a/Zend/zend_object_handlers.c b/Zend/zend_object_handlers.c
index fdbab21a9bec7..9c39ead6ddbf0 100644
--- a/Zend/zend_object_handlers.c
+++ b/Zend/zend_object_handlers.c
@@ -982,6 +982,7 @@ ZEND_API zval *zend_std_get_property_ptr_ptr(zend_object *zobj, zend_string *nam
 				rebuild_object_properties(zobj);
 			}
 			retval = zend_hash_update(zobj->properties, name, &EG(uninitialized_zval));
+			// NOTE: retval will have type IS_NULL
 			/* Notice is thrown after creation of the property, to avoid EG(std_property_info)
 			 * being overwritten in an error handler. */
 			if (UNEXPECTED(type == BP_VAR_RW || type == BP_VAR_R)) {
diff --git a/Zend/zend_vm_def.h b/Zend/zend_vm_def.h
index a01f2c418aebd..9a607d4e1dcc3 100644
--- a/Zend/zend_vm_def.h
+++ b/Zend/zend_vm_def.h
@@ -2601,6 +2601,15 @@ ZEND_VM_C_LABEL(try_assign_dim_array):
 				FREE_OP_DATA();
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if OP1_TYPE == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					ZEND_VM_C_GOTO(assign_dim_error);
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
diff --git a/Zend/zend_vm_execute.h b/Zend/zend_vm_execute.h
index 70ebf54b4eeac..9720599e1c034 100644
--- a/Zend/zend_vm_execute.h
+++ b/Zend/zend_vm_execute.h
@@ -23396,6 +23396,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_CONST_OP_D
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -23509,6 +23518,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_CONST_OP_D
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -23622,6 +23640,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_CONST_OP_D
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -23734,6 +23761,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_CONST_OP_D
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -25974,6 +26010,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_TMPVAR_OP_
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -26087,6 +26132,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_TMPVAR_OP_
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -26200,6 +26254,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_TMPVAR_OP_
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -26312,6 +26375,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_TMPVAR_OP_
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -27341,6 +27413,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_UNUSED_OP_
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -27454,6 +27535,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_UNUSED_OP_
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -27567,6 +27657,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_UNUSED_OP_
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -27679,6 +27778,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_UNUSED_OP_
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -29900,6 +30008,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_CV_OP_DATA
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -30013,6 +30130,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_CV_OP_DATA
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -30126,6 +30252,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_CV_OP_DATA
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -30238,6 +30373,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_VAR_CV_OP_DATA
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_VAR == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -40895,6 +41039,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_CONST_OP_DA
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -41008,6 +41161,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_CONST_OP_DA
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -41121,6 +41283,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_CONST_OP_DA
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -41233,6 +41404,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_CONST_OP_DA
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -44544,6 +44724,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_TMPVAR_OP_D
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -44657,6 +44846,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_TMPVAR_OP_D
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -44770,6 +44968,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_TMPVAR_OP_D
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -44882,6 +45089,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_TMPVAR_OP_D
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -46357,6 +46573,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_UNUSED_OP_D
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -46470,6 +46695,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_UNUSED_OP_D
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -46583,6 +46817,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_UNUSED_OP_D
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -46695,6 +46938,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_UNUSED_OP_D
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -49575,6 +49827,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_CV_OP_DATA_
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -49688,6 +49949,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_CV_OP_DATA_
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -49801,6 +50071,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_CV_OP_DATA_
 				zval_ptr_dtor_nogc(EX_VAR((opline+1)->op1.var));
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {
@@ -49913,6 +50192,15 @@ static ZEND_OPCODE_HANDLER_RET ZEND_FASTCALL ZEND_ASSIGN_DIM_SPEC_CV_CV_OP_DATA_
 
 			}
 		} else if (EXPECTED(Z_TYPE_P(object_ptr) <= IS_FALSE)) {
+#if IS_CV == IS_CV
+			if (Z_TYPE_P(object_ptr) >= IS_NULL) {
+				zend_error(E_DEPRECATED,
+					"Automatic conversion of %s to array on field assignment is deprecated", Z_TYPE_P(object_ptr) == IS_NULL ? "null" : "false");
+				if (UNEXPECTED(EG(exception))) {
+					goto assign_dim_error;
+				}
+			}
+#endif
 			if (Z_ISREF_P(orig_object_ptr)
 			 && ZEND_REF_HAS_TYPE_SOURCES(Z_REF_P(orig_object_ptr))
 			 && !zend_verify_ref_array_assignable(Z_REF_P(orig_object_ptr))) {