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<?php |
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/** |
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* This file is part of the Investform module for webcms2. |
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* Copyright (c) @see LICENSE |
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*/ |
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namespace FrontendModule\InvestformModule; |
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use WebCMS\InvestformModule\Common\FutureValueOfAnnuityCalculator; |
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/** |
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* Description of InvestformPresenter |
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* |
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* @author Tomas Voslar <[email protected]> |
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*/ |
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class CalculatorPresenter extends BasePresenter |
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{ |
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private $id; |
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private $fvoa; |
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private $year; |
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protected function startup() |
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{ |
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parent::startup(); |
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foreach(range(200000, 3000000, 100000) as $number) { |
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$amountItems[$number] = \WebCMS\Helpers\SystemHelper::price($number); |
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} |
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} |
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protected function beforeRender() |
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{ |
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parent::beforeRender(); |
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} |
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public function createComponentForm() |
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{ |
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$form = $this->createForm('form-submit'); |
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$form->addSelect('amount', 'Amount', $this->amountItems) |
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->setAttribute('placeholder', 'Type investement amount'); |
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$form->addSelect('length', 'Length', array(3 => 'Tříletý', 5 => 'Pětiletý')); |
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$form->addText('date', 'Date')->setRequired('Date is mandatory.'); |
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$form->addHidden('secured'); |
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$form->addSubmit('calculate', 'Calculate'); |
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$form->onSuccess[] = callback($this, 'formSubmitted'); |
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return $form; |
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} |
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public function formSubmitted($form) |
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{ |
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$values = $form->getValues(); |
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$from = strtotime($values->date); |
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if ($values->length == 5) { |
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if ($values->secured) { |
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$year = 2020; |
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$to = strtotime('2020-11-30'); |
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} else { |
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$year = 2019; |
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$to = strtotime('2019-11-30'); |
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} |
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} else { |
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$year = 2017; |
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$to = strtotime('2017-10-30'); |
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} |
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$length = ($to - $from) / 60 / 60 / 24 / 365; |
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$this->year = $year; |
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$this->fvoa = new FutureValueOfAnnuityCalculator($values->amount, $length); |
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} |
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public function renderDefault($id) |
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{ |
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if (!is_object($this->fvoa)) { |
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$this->fvoa = new FutureValueOfAnnuityCalculator(0, 3); |
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$this->year = ""; |
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} |
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$this->template->year = $this->year; |
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$this->template->fvoa = $this->fvoa; |
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$this->template->id = $id; |
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} |
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} |
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Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArray
is initialized the first time when the foreach loop is entered. You can also see that the value of thebar
key is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.