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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 bool isWordsAndSpaces(S s) { for i over s: { char c = s.charAt(i); if (c != ' ' && !isLetterOrDigitOrApostrophe(c)) false; } true; }