PayPal IPN problem PHP 7.1.4

Hello everyone! I have this error with PayPal on Laravel 5.5

-- IPN was not sent, and the handshake was not verified. Review your information. --

but only with the version of PHP 7.1.4 with version 5.6 works without problem.

Thanks!

Level 88

Is this issues related to yours, maybe that fix works for you as well! https://github.com/sh0umik/Laravel5-PaypalIPN/issues/6

Level 1

The weird thing that the error only appears in PHP 7.1.4 because in version 5.6 it works without problems

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