function getSMA($company, $from = "1900-01-01 00:00:00", $to = null, $dataorg = "json", $samplePeriod = 15, $enSignals = false, $enJsonEncode = "false", $host, $db, $user, $pass)
{
$dbreturn = getSMA_sub_real($company, $from, $to, $dataorg, $samplePeriod, $enSignals, $host, $db, $user, $pass);
if ($dataorg == "json") {
$sma = codesword_sma($dbreturn, $samplePeriod);
} elseif ($dataorg == "highchart") {
$sma = codesword_sma($dbreturn, $samplePeriod);
} elseif ($dataorg == "array") {
//TODO: create code for organizing an array data output
} else {
//json
$sma = codesword_sma($dbreturn, $samplePeriod);
}
if ($enSignals) {
$buysellSignals = codesword_smaBuySellSignal($dbreturn, $sma);
} else {
$buysellSignals = 0;
}
if ($enJsonEncode) {
$allData = [];
$allData[0] = $sma;
$allData[1] = $buysellSignals;
echo json_encode($allData);
} else {
return $sma;
}
}
function getSMAentryATRstop($company, $from = "1900-01-01 00:00:00", $to = null, $dataorg = "json", $samplePeriod = 15, $enSignals = false, $enJsonEncode = "false", $enProfitComputation = true, $host, $db, $user, $pass)
{
// TODO: Get OHLC data
$intervalPeriod = $samplePeriod * 1.5;
//from date has to be adjusted for the bollinger bands
$date = date_create($from);
date_add($date, date_interval_create_from_date_string("-{$intervalPeriod} days"));
$fromAdjusted = date_format($date, "Y-m-d");
$dataOhlc = [];
//OHLC data format [timestamp,open,high,low,close,volume]
if ($dataorg == "highchart") {
$dataOhlc = getOHLC($company, $fromAdjusted, $to, "array2", $host, $db, $user, $pass);
} else {
$dataOhlc = getOHLC($company, $fromAdjusted, $to, "array", $host, $db, $user, $pass);
}
//Return if $dataOhlc is null
if ($dataOhlc == [] || $dataOhlc == 0) {
return 0;
}
//Tailor data for the SMA input
//Input for SMA functions should be [timestamp,close]
$ctr = 0;
$dataOhlcForSMA = [];
foreach ((array) $dataOhlc as $ohlc) {
$dataOhlcForSMA[$ctr][0] = $ohlc[0];
//timestamp
$dataOhlcForSMA[$ctr++][1] = $ohlc[4];
//close
}
//Get SMA Signal
$sma = codesword_sma($dataOhlcForSMA, $samplePeriod);
//Get SMA Buy Signals
$smaBuy = [];
$ctrBuy = 0;
$buysellSignals = codesword_smaBuySellSignal($dataOhlcForSMA, $sma);
foreach ($buysellSignals as $signal) {
if ($signal[1] == "buy") {
$smaBuy[$ctrBuy++] = $signal;
}
}
// echo json_encode($smaBuy);
//Tailor data for the ATR input
$ctr = 0;
$dataOhlcForATR = [];
foreach ((array) $dataOhlc as $ohlc) {
$dataOhlcForATR[$ctr][0] = $ohlc[0];
//timestamp
$dataOhlcForATR[$ctr][1] = $ohlc[2];
//high
$dataOhlcForATR[$ctr][2] = $ohlc[3];
//low
$dataOhlcForATR[$ctr][3] = $ohlc[4];
//close
$ctr = $ctr + 1;
}
// echo json_encode($dataOhlcForATR);
// Compute the ATR
$atr = codesword_atr($dataOhlcForATR);
// echo json_encode($atr);
// TODO: Get ATR Stop/Sell Signals
// the stop signal is based on the entry price that we'll get from
// the SMA Buy Signal
// Inputs:
// 1. Data OHLC for ATR (ts,open,high,low,close)
// 2. SMA Buy Signals (ts, buy)
// 3. ATR Values (ts, atr)
$smaEntryAtrStopSignals = codesword_smaEntryATRstopTradeDetector($company, $dataOhlc, $smaBuy, $atr, 2, 4, $enProfitComputation);
}