s2ar

<?php
use Bitrix\Main\Application;
$request = Application::getInstance()->getContext()->getRequest();

$value = $request->get("some_name");
$value = $request["some_name"];

$value = $request->getQuery("some_name");   // получение GET-параметра
$value = $request->getPost("some_name");   // получение POST-параметра
$value = $request->getFile("some_name");   // получение загруженного файла

s2ar

<?php
		$aPropList = array();
		$rEnum = CIBlockProperty::GetPropertyEnum($propID, Array('SORT'=>'ASC'), Array("IBLOCK_ID"=>2));
		while($aEnum = $rEnum->Fetch()){			
		    $aPropList[] = array('id'=>$aEnum['ID'], 'code'=>$aEnum['XML_ID'] ,'value'=>$aEnum['VALUE']);
		}

s2ar

<?php	
	$aFilter = Array('IBLOCK_ID'=>9, 'DEPTH_LEVEL'=>1,"UF_SECTION_REF" => $sectionID);
	$rSect = CIBlockSection::GetList(Array('SORT'=>'ASC'), $aFilter, false, array('UF_*'));

	$aSections = array();
	while($aSect = $rSect->GetNext())  { 
		$aSections[] = $aSect;
	}

s2ar

<?php
use Bitrix\Main\Loader; 
if(!Loader::includeModule("iblock")) die();

$aFilter = array("IBLOCK_ID"=>25, "ACTIVE"=>"Y");
$rPart = CIBlockElement::GetList(array('sort'=>'ASC'), $aFilter, false, false, array());

while($oPart = $rPart->GetNextElement()):
    $aPart = $oPart->GetFields();
    $aPart['PROP'] = $oPart->GetProperties();

s2ar

<?php
if(!CModule::IncludeModule('highloadblock')) die();

use Bitrix\Highloadblock as HL;
use Bitrix\Main\Entity;

$hlblock = HL\HighloadBlockTable::getById(5)->fetch();
$hlEntity = HL\HighloadBlockTable::compileEntity($hlblock);

$entDataClass = $hlEntity->getDataClass();

s2ar

<?php
function formatBytes($bytes, $precision = 2)
{
    $base = log($bytes, 1024);
    $suffixes = array('', 'Кбайт', 'Мбайт', 'Гбайт', 'Тбайт');

    return round(pow(1024, $base - floor($base)), $precision) .' '. $suffixes[floor($base)];
}

if(is_numeric($aProps['cr_pdf']['VALUE'])){