<?php
$startTime = intval(date("U"));
require_once __DIR__ . '/../vendor/autoload.php';
use JLaso\ToolsLib\ProgressBar;
/**
* Class SampleUnoptimized
*
* This sample was converted to a class in order to obtain data with XDebug and analyze with qCacheGrind
*/
class SampleUnoptimized
{
protected $conn;
protected $startTime;
/**
* SampleUnoptimized constructor.
*/
public function __construct()
{
$this->startTime = intval(date("U"));
$options = getopt("h::u::p::d::");
$host = isset($options['h']) ? $options['h'] : 'localhost';
$user = isset($options['u']) ? $options['u'] : 'root';
$password = isset($options['p']) ? $options['p'] : '';
$database = isset($options['d']) ? $options['d'] : 'test';
$this->conn = mysqli_connect($host, $user, $password, $database);
if ( ! $this->conn)
{
die(mysqli_error($this->conn));
}
}
/**
* @param $id
* @return array
*/
protected function getRecord($id)
{
return mysqli_query(
$this->conn,
sprintf(
'SELECT `p`.`name` AS `product_name`, `p`.`ratio` AS `product_ratio`, ' .
'`p`.`family_id` AS `family_id`, `f`.`name` AS `family_name`, `f`.`ratio` AS `family_ratio` ' .
'FROM `product` as `p` ' .
'LEFT JOIN `family` AS `f` ON `p`.`family_id`=`f`.`id` ' .
'WHERE `p`.`id`= %d',
$id
)
)->fetch_assoc();
}
/**
*
*/
public function run()
{
$nRecords = mysqli_query($this->conn, 'SELECT COUNT(*) AS `qty` FROM `data`;')
->fetch_object()
->qty;
$xml = new DOMDocument("1.0");
$xml->formatOutput = true;
$xml->encoding = 'UTF-8';
$root = $xml->appendChild(new DOMElement('records'));
$pBar = new ProgressBar($nRecords);
$totalCost = 0;
$offset = 0;
while ($offset < $nRecords) {
$record = mysqli_query($this->conn, 'SELECT * FROM `data` LIMIT 1 OFFSET ' . $offset)->fetch_assoc();
$pid = $record['product_id'];
$xmlRecord = $root->appendChild(new DOMElement('record'));
$xmlRecord->setAttribute('id', $record['id']);
$xmlRecord->appendChild(new DOMElement('product_id', $pid));
$xmlRecord->appendChild(new DOMElement('cost', $record['cost']));
$product = $this->getRecord($pid);
$productRatio = isset($product['product_ratio']) ? $product['product_ratio'] : 0;
$familyRatio = isset($product['family_ratio']) ? $product['family_ratio'] : 0;
$realCost = $record['cost'] * $productRatio * $familyRatio;
$xmlRecord->appendChild(new DOMElement('relative_cost', $realCost));
$xmlRecord->appendChild(new DOMElement('product_name', $product['product_name']));
$xmlRecord->appendChild(new DOMElement('family_id', $product['family_id']));
$xmlRecord->appendChild(new DOMElement('family_name', $product['family_name']));
$totalCost += $realCost;
$offset++;
$pBar->updateValue($offset);
}
print "\n";
$xml->appendChild(new DOMElement('total_cost', $totalCost));
print $xml->saveXML();
print sprintf("this script lasted %d seconds !\n", intval(date("U") - $this->startTime));
}
}
$sample = new SampleUnoptimized();
$sample->run();
|
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