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run code in 150+ php & hhvm versions
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<?php function ReformatPhoneNumber($number) { if (!IsValidNumber($number)) { throw new \Exception('Invalid phone number'); } echo $number; } function IsValidNumber($number) { $validChars = array(' ', '-'); if (!is_numeric(substr($number, 0, 1)) || !is_numeric(substr($number, strlen($number) - 1, 1)) ) { return false; } $delimiterFlag = false; foreach (str_split($number) as $digit) { if (!is_numeric($digit) && !in_array($digit, $validChars)) { return false; } if (in_array($digit, $validChars)) { if ($delimiterFlag) { return false; } $delimiterFlag = true; } else { $delimiterFlag = false; } } return true; } echo ReformatPhoneNumber('012-345 69');
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
012-345 69
Output for 5.0.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/IUB6E on line 6 012-345 69
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_NEW in /in/IUB6E on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_NEW in /in/IUB6E on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/IUB6E on line 6
Process exited with code 255.