diff -ur bbcode-2.0.1/php_bbcode.c bbcode-2.0.1-7.3/php_bbcode.c
--- bbcode-2.0.1/php_bbcode.c	2016-04-10 23:23:06.000000000 +0200
+++ bbcode-2.0.1-7.3/php_bbcode.c	2019-02-07 11:23:14.333754664 +0100
@@ -399,12 +399,21 @@
 			ZEND_HASH_FOREACH_STR_KEY_VAL(myht, key, data) {
                 if (key && data != NULL) {
 					tmp_ht = HASH_OF(data);
+
 					if (tmp_ht) {
+#if PHP_VERSION_ID >= 70300
+                                                GC_PROTECT_RECURSION(tmp_ht);
+#else
 						tmp_ht->u.v.nApplyCount++;
-					}
+#endif
+                                        }
 					_php_bbcode_add_element(parser, ZSTR_VAL(key), ZSTR_LEN(key), data TSRMLS_CC);
 					if (tmp_ht) {
-							tmp_ht->u.v.nApplyCount--;
+#if PHP_VERSION_ID >= 70300
+                                                GC_UNPROTECT_RECURSION(tmp_ht);
+#else
+						tmp_ht->u.v.nApplyCount--;
+#endif
 					}
 				}
 			} ZEND_HASH_FOREACH_END();