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From 8bfdbcc9063dafcb25fdb1d1705e07ee027d7379 Mon Sep 17 00:00:00 2001
From: Aaron Stone <aaron@serendipity.cx>
Date: Thu, 29 Mar 2018 23:26:46 -0700
Subject: [PATCH] Update for new PHP 7.3 REFCOUNT macros (#390)

---
 .travis.yml             | 3 +++
 php_memcached.c         | 4 ++--
 php_memcached_private.h | 7 +++++++
 php_memcached_session.c | 2 +-
 4 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/php_memcached.c b/php_memcached.c
index a42ff19..bd0f559 100644
--- a/php_memcached.c
+++ b/php_memcached.c
@@ -1298,7 +1298,7 @@ static PHP_METHOD(Memcached, __construct)
 		le.type = php_memc_list_entry();
 		le.ptr  = intern->memc;
 
-		GC_REFCOUNT(&le) = 1;
+		GC_SET_REFCOUNT(&le, 1);
 
 		/* plist_key is not a persistent allocated key, thus we use str_update here */
 		if (zend_hash_str_update_mem(&EG(persistent_list), ZSTR_VAL(plist_key), ZSTR_LEN(plist_key), &le, sizeof(le)) == NULL) {
@@ -3831,7 +3831,7 @@ PHP_METHOD(MemcachedServer, on)
 
 		Z_TRY_ADDREF(fci.function_name);
 		if (fci.object) {
-			GC_REFCOUNT(fci.object)++;
+			GC_ADDREF(fci.object);
 		}
 	}
 	RETURN_BOOL(rc);
diff --git a/php_memcached_private.h b/php_memcached_private.h
index a04e19b..abc0459 100644
--- a/php_memcached_private.h
+++ b/php_memcached_private.h
@@ -72,6 +72,13 @@ typedef unsigned long int uint32_t;
 #  endif
 #endif
 
+/* Backwards compatibility for GC API change in PHP 7.3 */
+#if PHP_VERSION_ID < 70300
+#  define GC_ADDREF(p)            ++GC_REFCOUNT(p)
+#  define GC_DELREF(p)            --GC_REFCOUNT(p)
+#  define GC_SET_REFCOUNT(p, rc)  GC_REFCOUNT(p) = rc
+#endif
+
 /****************************************
   Structures and definitions
 ****************************************/
diff --git a/php_memcached_session.c b/php_memcached_session.c
index d8e9be6..607a02c 100644
--- a/php_memcached_session.c
+++ b/php_memcached_session.c
@@ -376,7 +376,7 @@ PS_OPEN_FUNC(memcached)
 		le.type = s_memc_sess_list_entry();
 		le.ptr  = memc;
 
-		GC_REFCOUNT(&le) = 1;
+		GC_SET_REFCOUNT(&le, 1);
 
 		/* plist_key is not a persistent allocated key, thus we use str_update here */
 		if (zend_hash_str_update_mem(&EG(persistent_list), plist_key, plist_key_len, &le, sizeof(le)) == NULL) {