Fix doubled error messages

1 files changed, 1 insertions, 1 deletions

diff --git a/execute.c b/execute.c
index 5255052..c1b2d36 100644
--- a/execute.c
+++ b/execute.c
@@ -1052,7 +1052,7 @@ static int ih_function_exists(IH_HANDLER_PARAMS)
         zend_str_tolower(lcname, func_name_len);
 #else
         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &lcname, &func_name_len) == FAILURE) {
-                return(0);
+                return (1);
         }
 
         /* Ignore leading "\" */