Introduce zend_symtable_exists_ind() for API consistency

Author: dstogov

Zend/zend_hash.h

@@ -377,6 +377,18 @@ static zend_always_inline int zend_symtable_exists(HashTable *ht, zend_string *k
 {
 	zend_ulong idx;
 
+	if (ZEND_HANDLE_NUMERIC(key, idx)) {
+		return zend_hash_index_exists(ht, idx);
+	} else {
+		return zend_hash_exists(ht, key);
+	}
+}
+
+
+static zend_always_inline int zend_symtable_exists_ind(HashTable *ht, zend_string *key)
+{
+	zend_ulong idx;
+
 	if (ZEND_HANDLE_NUMERIC(key, idx)) {
 		return zend_hash_index_exists(ht, idx);
 	} else {

ext/standard/array.c

@@ -5429,7 +5429,7 @@ PHP_FUNCTION(array_key_exists)
 
 	switch (Z_TYPE_P(key)) {
 		case IS_STRING:
-			if (zend_symtable_exists(array, Z_STR_P(key))) {
+			if (zend_symtable_exists_ind(array, Z_STR_P(key))) {
 				RETURN_TRUE;
 			}
 			RETURN_FALSE;
@@ -5439,7 +5439,7 @@ PHP_FUNCTION(array_key_exists)
 			}
 			RETURN_FALSE;
 		case IS_NULL:
-			if (zend_hash_exists(array, ZSTR_EMPTY_ALLOC())) {
+			if (zend_hash_exists_ind(array, ZSTR_EMPTY_ALLOC())) {
 				RETURN_TRUE;
 			}
 			RETURN_FALSE;