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-rw-r--r--ext/standard/exec.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/ext/standard/exec.c b/ext/standard/exec.c
index d6938a4809..d0b1e01e16 100644
--- a/ext/standard/exec.c
+++ b/ext/standard/exec.c
@@ -380,6 +380,14 @@ PHPAPI char *php_escape_shell_arg(char *str)
}
}
#ifdef PHP_WIN32
+ if (y > 0 && '\\' == cmd[y - 1]) {
+ int k = 0, n = y - 1;
+ for (; n >= 0 && '\\' == cmd[n]; n--, k++);
+ if (k % 2) {
+ cmd[y++] = '\\';
+ }
+ }
+
cmd[y++] = '"';
#else
cmd[y++] = '\'';