Удаление дублей – Библиотека кода

function find () {
    $arSelect = Array("ID", "PROPERTY_111");
    $arFilter = Array("IBLOCK_ID"=> 9, "ACTIVE_DATE"=>"Y", "ACTIVE"=>"Y");

    $res = CIBlockElement::GetList(Array(), $arFilter, false, false, $arSelect);

    $arr = array();
    $i = 0;

    while($r = $res->GetNext()){
        $arr[$r['ID']] = $r['PROPERTY_111_VALUE'];
        
        $i++;
    }

    return $arr;

}

$find = find();

$arr = array();

foreach ($find as $key => $value) {
    $arr[$value][] = $key;
}
$el = new CIBlockElement;
foreach ($arr as $key2 => $value2) {
    if ($value2[1]){
        echo $value2[1];
        $el->Delete($value2[1]);
    }
}

function find () {

$arSelect = Array("ID", "PROPERTY_111");

$arFilter = Array("IBLOCK_ID"=> 9, "ACTIVE_DATE"=>"Y", "ACTIVE"=>"Y");

$res = CIBlockElement::GetList(Array(), $arFilter, false, false, $arSelect);

$arr = array();

$i = 0;

while($r = $res->GetNext()){

$arr[$r['ID']] = $r['PROPERTY_111_VALUE'];

$i++;

}

return $arr;

}

$find = find();

$arr = array();

foreach ($find as $key => $value) {

$arr[$value][] = $key;

}

$el = new CIBlockElement;

foreach ($arr as $key2 => $value2) {

if ($value2[1]){

echo $value2[1];

$el->Delete($value2[1]);

}

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