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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; var_dump(explode('', $number)); return true; } echo ReformatPhoneNumber('012-345 69');
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ValueError: explode(): Argument #1 ($separator) cannot be empty in /in/CN3d5:24 Stack trace: #0 /in/CN3d5(24): explode('', '012-345 69') #1 /in/CN3d5(5): IsValidNumber('012-345 69') #2 /in/CN3d5(29): ReformatPhoneNumber('012-345 69') #3 {main} thrown in /in/CN3d5 on line 24
Process exited with code 255.

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