From ab7b38e33617c1364529b600f5ea74a2004c497f Mon Sep 17 00:00:00 2001
From: Dmitry Stogov <dmitry@zend.com>
Date: Tue, 25 Nov 2014 12:58:29 +0300
Subject: [PATCH] Added new optimized zend_array_destroy() function

---
 Zend/zend_hash.c      | 42 ++++++++++++++++++++++++++++++++++++++++++
 Zend/zend_hash.h      |  1 +
 Zend/zend_objects.c   |  2 +-
 Zend/zend_variables.c |  4 ++--
 4 files changed, 46 insertions(+), 3 deletions(-)

diff --git a/Zend/zend_hash.c b/Zend/zend_hash.c
index 24be94f0d9..2a7cb5a4b8 100644
--- a/Zend/zend_hash.c
+++ b/Zend/zend_hash.c
@@ -21,6 +21,7 @@
 
 #include "zend.h"
 #include "zend_globals.h"
+#include "zend_variables.h"
 
 #if ZEND_DEBUG
 /*
@@ -944,6 +945,47 @@ ZEND_API void zend_hash_destroy(HashTable *ht)
 	pefree(ht->arData, ht->u.flags & HASH_FLAG_PERSISTENT);
 }
 
+ZEND_API void zend_array_destroy(HashTable *ht TSRMLS_DC)
+{
+	Bucket *p, *end;
+
+	IS_CONSISTENT(ht);
+
+	if (ht->nNumUsed) {
+		
+		/* In some rare cases destructors of regular arrays may be changed */
+		if (UNEXPECTED(ht->pDestructor != ZVAL_PTR_DTOR)) {
+			zend_hash_destroy(ht);
+			return;
+		}
+	
+		p = ht->arData;
+		end = p + ht->nNumUsed;
+		SET_INCONSISTENT(HT_IS_DESTROYING);
+
+		if (ht->u.flags & HASH_FLAG_PACKED) {
+			do {
+				if (EXPECTED(Z_TYPE(p->val) != IS_UNDEF)) {
+					i_zval_ptr_dtor(&p->val ZEND_FILE_LINE_CC TSRMLS_CC);
+				}
+			} while (++p != end);
+		} else {
+			do {
+				if (EXPECTED(Z_TYPE(p->val) != IS_UNDEF)) {
+					i_zval_ptr_dtor(&p->val ZEND_FILE_LINE_CC TSRMLS_CC);
+					if (EXPECTED(p->key)) {
+						zend_string_release(p->key);
+					}
+				}
+			} while (++p != end);
+		}
+		
+		SET_INCONSISTENT(HT_DESTROYED);
+	} else if (EXPECTED(!ht->nTableMask)) {
+		return;
+	}
+	pefree(ht->arData, ht->u.flags & HASH_FLAG_PERSISTENT);
+}
 
 ZEND_API void zend_hash_clean(HashTable *ht)
 {
diff --git a/Zend/zend_hash.h b/Zend/zend_hash.h
index 0ed47b424d..435e92494c 100644
--- a/Zend/zend_hash.h
+++ b/Zend/zend_hash.h
@@ -216,6 +216,7 @@ ZEND_API zval *zend_hash_minmax(const HashTable *ht, compare_func_t compar, uint
 ZEND_API int zend_hash_rehash(HashTable *ht);
 
 ZEND_API void zend_array_dup(HashTable *target, HashTable *source);
+ZEND_API void zend_array_destroy(HashTable *ht TSRMLS_DC);
 
 #if ZEND_DEBUG
 /* debug */
diff --git a/Zend/zend_objects.c b/Zend/zend_objects.c
index 9068dceb8b..2778b168ee 100644
--- a/Zend/zend_objects.c
+++ b/Zend/zend_objects.c
@@ -54,7 +54,7 @@ ZEND_API void zend_object_std_dtor(zend_object *object TSRMLS_DC)
 		FREE_HASHTABLE(object->guards);
 	}
 	if (object->properties) {
-		zend_hash_destroy(object->properties);
+		zend_array_destroy(object->properties TSRMLS_CC);
 		FREE_HASHTABLE(object->properties);
 	}
 	count = object->ce->default_properties_count;
diff --git a/Zend/zend_variables.c b/Zend/zend_variables.c
index aae8465791..11d035e85c 100644
--- a/Zend/zend_variables.c
+++ b/Zend/zend_variables.c
@@ -45,7 +45,7 @@ ZEND_API void _zval_dtor_func(zend_refcounted *p ZEND_FILE_LINE_DC)
 					/* break possible cycles */
 					GC_TYPE(arr) = IS_NULL;
 					GC_REMOVE_FROM_BUFFER(arr);
-					zend_hash_destroy(&arr->ht);
+					zend_array_destroy(&arr->ht TSRMLS_CC);
 					efree_size(arr, sizeof(zend_array));
 				}
 				break;
@@ -105,7 +105,7 @@ ZEND_API void _zval_dtor_func_for_ptr(zend_refcounted *p ZEND_FILE_LINE_DC)
 					/* break possible cycles */
 					GC_TYPE(arr) = IS_NULL;
 					GC_REMOVE_FROM_BUFFER(arr);
-					zend_hash_destroy(&arr->ht);
+					zend_array_destroy(&arr->ht TSRMLS_CC);
 					efree_size(arr, sizeof(zend_array));
 				}
 				break;
-- 
2.40.0