src/Identities/WIF.php
public static function fromPassphrase(string $passphrase, AbstractNetwork $network = null): string
    {
        return PrivateKey::fromPassphrase($passphrase)->toWif($network);
    }
public static function fromPassphrase(string $passphrase, AbstractNetwork $network = null): string
    {
        return PrivateKey::fromPassphrase($passphrase)->toWif($network);
    }
public static function fromPassphrase ( string $ passphrase , AbstractNetwork $ network = null ) : string { return PrivateKey :: fromPassphrase ( $ passphrase ) -> toWif ( $ network ) ; }
Derive the WIF from the given passphrase.

@param string                                             $passphrase
@param \ArkEcosystem\Crypto\Networks\AbstractNetwork|null $network

@return string
Derive the WIF from the given passphrase .