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Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
static A applyUntilSameOrNull(IF1 f, A o) { while (o != null) { ping(); A o2 = f.get(o); if (o == o2) break; o = o2; } ret o; }