Checks if an iban is valid. Note that also if the iban is valid it does not have to exist
Signature
public function checkIBAN(string
$iban,
[array
$options = null] )
Parameters
$iban
—
string
$options
—
array
valid keys: - checkByCheckSum (boolean): If true, the IBAN checksum is calculated (default:true) - checkByFormat (boolean): If true, the format is checked by regular expression (default: true)