Евгений

if  (!is_array($arFields[ "PROPERTY_VALUES" ]) || empty ( $arFields["PROPERTY_VALUES"]))  return ;

$(".menu_click").click(function(){ 
    $(".header").addClass('menuactive'); 
    $('.carousel').slick('setPosition');
});

$s = 'a=1, b=2, c=3';
$arr1 = explode(',', $s);
$arr = array_map(function($item) {
	$tmp = explode('=', $item);
	return [$tmp[0] => $tmp[1]];
}, $arr1 );

.check ~ span{
    position: absolute;
    left: 0;
    width: 20px;
    height: 20px;
    border: 1px solid #CCB26E;
    display: inline-block;
    border-radius: 3px;
}

.check ~ span:before{
    content: '';
    position: absolute;
    background: url('pic.svg');
    width: 20px;
    height: 20px;
    background-repeat: no-repeat;
    top: 1px;
    right: 0;
    left: 2px;
    bottom: 0;
    opacity: 0;
    transition: opacity .3s ease-in-out;
}

.check:checked ~ span:before{
    opacity: 1;
}

$archive = RarArchive::open('archive.rar');
$entries = $archive->getEntries();
foreach ($entries as $entry) {
    $entry->extract('/extract/to/this/path');
}
$archive->close();