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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 O[] concatArrays(O[]... arrays) { int l = 0; for (O[] a : arrays) l += l(a); O[] x = new O[l]; int i = 0; for (O[] a : arrays) if (a != null) { System.arraycopy(a, 0, x, i, l(a)); i += l(a); } ret x; }