Change PHP keywords to comply with PSR2

Yubico / yubikey-val

YubiKey OTP validation server in PHP

https://developers.yubico.com/yubikey-val

BSD 2-Clause "Simplified" License

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Open mullikine opened 5 years ago

mullikine commented 5 years ago

Hi, I've changed a PHP keyword to comply with this standard in PSR2. It's admittedly a small fix but I hope it helps!