Awesome Miner Auto Stop

<?php
$gamingTasks = array();
//Detect when these applications are running and stop mining
$gamingTasks[] = 'Discord';
$gamingTasks[] = 'SomeApp';

$amServer = 'amserver';
$amPort = '9999';
$checkEvery = 15; //Check every x seconds

$minerData = json_decode(fetch("http://$amServer:$amPort/api/miners"),true);
$minerData = $minerData['groupList'];
$minerToControl = array();
//Miners to control
$minerToControl[] = getminer('192.168.1.1'); //You can target an IP
$minerToControl[] = getminer('Miner1'); //You can target the name of a miner in AM

unset($minerData);

while (true) {
	if (checkProcessors()) startMining();
	sleep($checkEvery);
}

function checkProcessors() {
	global $gamingTasks;
	exec('tasklist',$tasklist);
	foreach ($tasklist as $task) {
		$task = preg_replace('/.exe.*/','',$task);
		if (in_array($task,$gamingTasks)) {
			stopMining();
			return;
		}
	}
	return true;
}

function getMiner($nameOrIP) {
	global $amServer, $minerData;
	foreach ($minerData as $group) {
		foreach ($group['minerList'] as $miner) {
			if ($nameOrIP == $miner['name'] ||
			$nameOrIP == $miner['hostname'])
				return $miner['id'];
		}
	}
}

function stopMining() {
	global $minerToControl, $amServer, $amPort;
	foreach ($minerToControl as $id) {
		if (!json_decode(fetch("http://$amServer:$amPort/api/miners/$id"),true)['canStop']) continue;
		echo "Stopping miner id($id)\n";
		fetch("http://$amServer:$amPort/api/miners/$id?action=stop",true);
	}
}

function startMining() {
	global $minerToControl, $amServer, $amPort;
	foreach ($minerToControl as $id) {
		if (!json_decode(fetch("http://$amServer:$amPort/api/miners/$id"),true)['canStart']) continue;
		echo "Starting miner id($id)\n";
		fetch("http://$amServer:$amPort/api/miners/$id?action=start",true);
	}
}

function fetch($url, $post=false) {
	$ch = curl_init();

	curl_setopt($ch,CURLOPT_URL, $url);
	curl_setopt($ch,CURLOPT_RETURNTRANSFER, true);
	if ($post != false) {
		curl_setopt($ch, CURLOPT_POST, true);
		curl_setopt($ch, CURLOPT_POSTFIELDS, explode('?',$url)[1]);
		curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/x-www-form-urlencoded'));
	}

	return curl_exec($ch);
}