- Fixed crash in error_log() (strlen(NULL)) reported by: shm, Maksymilian Arciemowicz

diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index cc16a33c2c94f513cf1dff30f166dc60e5ee05fb..92fe1d77b88de63526b4db0f04df14b93f1a9be0 100644 (file)
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -4678,7 +4678,7 @@ PHP_FUNCTION(error_log)
                opt_err = erropt;
        }
 
-       if (opt_err == 3) {
+       if (opt_err == 3 && opt) {
                if (strlen(opt) != opt_len) {
                        RETURN_FALSE;
                }