- Fix for bug #16811

diff --git a/ext/standard/exec.c b/ext/standard/exec.c
index c440a4059f149b7be2b88a2daa92bb190f108b34..d001e763f2c5a0b7c7ac1c77ccc29bc5d94de696 100644 (file)
--- a/ext/standard/exec.c
+++ b/ext/standard/exec.c
@@ -525,6 +525,7 @@ PHP_FUNCTION(shell_exec)
        if ((in=VCWD_POPEN(Z_STRVAL_PP(cmd), "r"))==NULL) {
 #endif
                php_error(E_WARNING, "Unable to execute '%s'", Z_STRVAL_PP(cmd));
+               RETURN_FALSE;
        }
        allocated_space = EXEC_INPUT_BUF;
        ret = (char *) emalloc(allocated_space);