Also check for length to not segfault

diff --git a/phpdbg_prompt.c b/phpdbg_prompt.c
index 86fc4d718e5399dd6eb40b3318272514e4539f55..da06c71aff10ee067dd31fd865a3f3eeecb4e4a9 100644 (file)
--- a/phpdbg_prompt.c
+++ b/phpdbg_prompt.c
@@ -645,7 +645,7 @@ PHPDBG_COMMAND(run) /* {{{ */
                /* reset hit counters */
                phpdbg_reset_breakpoints(TSRMLS_C);
 
-               if (param && param->type != EMPTY_PARAM) {
+               if (param && param->type != EMPTY_PARAM && param->len != 0) {
                        char **argv = emalloc(5 * sizeof(char *));
                        int argc = 0;
                        int i;