php-linux-gpio/lib/Exception/Handler/ConsoleHandler.php

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<?php
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/*
* Copyright (C) 2014, NoccyLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
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namespace NoccyLabs\Gpio\Exception\Handler;
use NoccyLabs\Gpio\Exception\GpioException;
class ConsoleExceptionHandler
{
protected $last;
public function register()
{
$this->last = set_exception_handler( array($this, "onException") );
}
public function onException(Exception $exception)
{
if (is_callable($this->last)) {
call_user_func($this->last, $exception);
}
if ($exception instanceof GpioException) {
$pin = $exception->getPin();
if ($pin) {
$pin->dumpState();
}
}
}
}