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-rw-r--r--Zend/zend_builtin_functions.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Zend/zend_builtin_functions.c b/Zend/zend_builtin_functions.c
index fc094a5e5f..3a2430aeca 100644
--- a/Zend/zend_builtin_functions.c
+++ b/Zend/zend_builtin_functions.c
@@ -822,7 +822,7 @@ static void is_a_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool only_subclass)
return;
}
- if (Z_TYPE_P(obj) == IS_STRING) {
+ if (only_subclass && Z_TYPE_P(obj) == IS_STRING) {
zend_class_entry **the_ce;
if (zend_lookup_class(Z_STRVAL_P(obj), Z_STRLEN_P(obj), &the_ce TSRMLS_CC) == FAILURE) {
RETURN_FALSE;