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run code in 150+ php & hhvm versions
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<?php function CPFTest($cpf) { $cpf = preg_replace("/[^0-9]/", '', $cpf); if (strlen($cpf) != 11) return false; $sum = 0; for ($i = 1; $i <= 9; $i++) { $sum += (substr($cpf, ($i - 1), 1) * (11 - $i)); } $x = ($sum % 11) < 2 ? 0 : 11 - ($sum % 11); if (((int) $x) != ((int) substr($cpf, 9, 1))) return false; $sum = 0; for ($i = 1; $i <= 10; $i++) { $sum += (substr($cpf, ($i - 1), 1) * (11 - ($i - 1))); } $x = $x = ($sum % 11) < 2 ? 0 : 11 - ($sum % 11); if (((int) $x) != ((int) substr($cpf, 10, 1))) return false; return true; } f (!CPFTest('123456789456123')) { echo 'Invalid CPF'; } else { echo 'Valid CPF'; }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.4.32
Parse error: syntax error, unexpected '{' in /in/sjBE5 on line 32
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '{' in /in/sjBE5 on line 32
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/sjBE5 on line 32
Process exited with code 255.