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[TypeError] 
strlen(): Argument #1 ($str) must be of type string, array given (0)
/var/www/starlayt/data/www/site.ru/bitrix/templates/site/components/bitrix/news.detail/catalog/result_modifier.php:23

/* result_modifier.php */

if($arResult["DISPLAY_PROPERTIES"]){
    $arResult["CHARACTERISTICS"] = array();
    foreach($arResult["DISPLAY_PROPERTIES"] as $arProp){
        if(!in_array($arProp["CODE"], array("PRICE","FORM_ASK","FORM_QUESTION","FORM_ORDER","LINK_PROJECTS","DOCUMENTS","YAMAP", "GALLERY_LIST"))){
            if(strlen($arProp["VALUE"])){ /* 23 сткрока */
                $arResult["CHARACTERISTICS"][] = $arProp;
            }
        }
    }
}

<!--Вывод изображений-->
                     <?foreach ($arResult['PROPERTIES']['MORE_PHOTO']["VALUE"] as $arItem) {?>
                        <?$file=CFile::GetPath($arItem);
                        $filesize = getimagesize($_SERVER['DOCUMENT_ROOT'].$file);?>
                        <img src="<?=$file?>" border="0" class="img-responsive inline" alt="<?= $arItem["NAME"] ?>" />
                    <? } ?><!-- -->                            <?$file=CFile::GetPath($arItem);
                            $filesize = getimagesize($_SERVER['DOCUMENT_ROOT'].$file);?>
                            <a href="<?=$file?>"
                                data-fancybox="plan"
                                class="img-inside item-link img-responsive"
                                title="<?= $arItem['NAME'] ?>">
                                <span class="zoom"><i class="icon-search"></i></span></a>
                            <img src="<?=$file?>"
                                alt="<?= $arItem["NAME"] ?>"
                                width="<?=$filesize[0]?>"
                                height="<?=$filesize[1]?>"
                                class="img-responsive center-block" />

<!-- Свойства инфоблока -->
                                    <td class="value"><?if(count($arProp["DISPLAY_VALUE"]) > 1){
                                          foreach($arProp["DISPLAY_VALUE"] as $key => $value){
                                            if($arProp["DISPLAY_VALUE"]["YAMAP"]){
                                                    echo $value.", 1";
                                                }
                                                else{
                                                    echo '1 '.$value;
                                                }
                                            }
                                        }
                                        else{
                                            echo $arProp["DISPLAY_VALUE"];
                                        }
                                        ?>
                                    </td>