Add zend_array_to_list() (#8976)

* Add zend_array_to_list()

* Use `zend_array_to_list()` in `PHP_FUNCTION(array_values)`

Author: TimWolla

Zend/zend_hash.c

@@ -2396,6 +2396,26 @@ ZEND_API HashTable* ZEND_FASTCALL zend_array_dup(HashTable *source)
 	return target;
 }
 
+ZEND_API HashTable* zend_array_to_list(HashTable *source)
+{
+	HashTable *result = _zend_new_array(zend_hash_num_elements(source));
+	zend_hash_real_init_packed(result);
+
+	ZEND_HASH_FILL_PACKED(result) {
+		zval *entry;
+
+		ZEND_HASH_FOREACH_VAL(source, entry) {
+			if (UNEXPECTED(Z_ISREF_P(entry) && Z_REFCOUNT_P(entry) == 1)) {
+				entry = Z_REFVAL_P(entry);
+			}
+			Z_TRY_ADDREF_P(entry);
+			ZEND_HASH_FILL_ADD(entry);
+		} ZEND_HASH_FOREACH_END();
+	} ZEND_HASH_FILL_END();
+
+	return result;
+}
+
 
 ZEND_API void ZEND_FASTCALL zend_hash_merge(HashTable *target, HashTable *source, copy_ctor_func_t pCopyConstructor, bool overwrite)
 {

Zend/zend_hash.h

@@ -320,6 +320,7 @@ ZEND_API HashTable* ZEND_FASTCALL zend_new_pair(zval *val1, zval *val2);
 ZEND_API uint32_t zend_array_count(HashTable *ht);
 ZEND_API HashTable* ZEND_FASTCALL zend_array_dup(HashTable *source);
 ZEND_API void ZEND_FASTCALL zend_array_destroy(HashTable *ht);
+ZEND_API HashTable* zend_array_to_list(HashTable *source);
 ZEND_API void ZEND_FASTCALL zend_symtable_clean(HashTable *ht);
 ZEND_API HashTable* ZEND_FASTCALL zend_symtable_to_proptable(HashTable *ht);
 ZEND_API HashTable* ZEND_FASTCALL zend_proptable_to_symtable(HashTable *ht, bool always_duplicate);

ext/standard/array.c

@@ -4147,8 +4147,7 @@ PHP_FUNCTION(array_key_last)
 /* {{{ Return just the values from the input array */
 PHP_FUNCTION(array_values)
 {
-	zval	 *input,		/* Input array */
-			 *entry;		/* An entry in the input array */
+	zval	 *input;		/* Input array */
 	zend_array *arrval;
 	zend_long arrlen;
 
@@ -4170,20 +4169,7 @@ PHP_FUNCTION(array_values)
 		RETURN_COPY(input);
 	}
 
-	/* Initialize return array */
-	array_init_size(return_value, arrlen);
-	zend_hash_real_init_packed(Z_ARRVAL_P(return_value));
-
-	/* Go through input array and add values to the return array */
-	ZEND_HASH_FILL_PACKED(Z_ARRVAL_P(return_value)) {
-		ZEND_HASH_FOREACH_VAL(arrval, entry) {
-			if (UNEXPECTED(Z_ISREF_P(entry) && Z_REFCOUNT_P(entry) == 1)) {
-				entry = Z_REFVAL_P(entry);
-			}
-			Z_TRY_ADDREF_P(entry);
-			ZEND_HASH_FILL_ADD(entry);
-		} ZEND_HASH_FOREACH_END();
-	} ZEND_HASH_FILL_END();
+	RETURN_ARR(zend_array_to_list(arrval));
 }
 /* }}} */