br{content:' ';}
br:after{content:' ';}

function ProductsFilter(a) {

    var products = $('.catalog-item');
    $.each(products, function () {
        if($(this).find('.catalog-item-name').text().indexOf(a) > -1){
            $(this).prependTo($(".catalog-items-container"));
        }
        else{
            $(this).remove()
        }
    });
}

if($("[name=form_text_21]").val().replace(/D+/g, '').length == 11)

count(preg_grep('~^[0-9]$~', str_split($str)))

<img src="image.svg" onerror="this.onerror=null; this.src='image.png'">

<meta name="viewport" content="width=device-width, initial-scale=1">

$protocol = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off' || $_SERVER['SERVER_PORT'] == 443) ? "https://" : "http://";

UPDATE table_name SET `column_name` = LOWER( `column_name` )

require_once("wp-load.php");

time = new Date().getHours() + ":"  + new Date().getMinutes()

var d = date_form.replace(/(d+)-(d+)-(d+)/, '$3.$2.$1')

//Если с английского на русский, то передаём вторым параметром true.
						var transliterate = (
							function() {
								var
									rus = "щ   ш  ч  ц  ю  я  ё  ж  ъ  ы  э  а б в г д е з и й к л м н о п р с т у ф х ь".split(/ +/g),
									eng = "shh sh ch cz yu ya yo zh `` y e a b v g d e z i j k l m n o p r s t u f x ``".split(/ +/g);
								return function(text, engToRus) {
									var x;
									for(x = 0; x < rus.length; x++) {
										text = text.split(engToRus ? eng[x] : rus[x]).join(engToRus ? rus[x] : eng[x]);
										text = text.split(engToRus ? eng[x].toUpperCase() : rus[x].toUpperCase()).join(engToRus ? rus[x].toUpperCase() : eng[x].toUpperCase());
									}
									return text;
								}
							}
						)();

remove_image_size('large');
remove_image_size('medium');
add_filter( 'wp_calculate_image_srcset_meta', '__return_null' );

Другое решение, сработало в другом месте
add_filter( 'max_srcset_image_width', create_function( '', 'return 1;' ) );

add_filter( 'jpeg_quality', function ( $arg ) {
	return 100;
} );

var ALERT_TITLE = "";
var ALERT_BUTTON_TEXT = "×";

if(document.getElementById) {
    window.alert = function(txt) {
        createCustomAlert(txt);
    }
}

function createCustomAlert(txt) {
    var d = document;

    if(d.getElementById("modalContainer")) return;

    var mObj = d.getElementsByTagName("body")[0].appendChild(d.createElement("div"));
    mObj.id = "modalContainer";
    //mObj.style.height = d.documentElement.scrollHeight + "px";

    var alertObj = mObj.appendChild(d.createElement("div"));
    alertObj.id = "alertBox";
    if(d.all && !window.opera) alertObj.style.top = document.documentElement.scrollTop + "px";
    alertObj.style.left = (d.documentElement.scrollWidth - alertObj.offsetWidth)/2 + "px";
    alertObj.style.visiblity="visible";

    //h1 = alertObj.appendChild(d.createElement("h1"));
    //h1.appendChild(d.createTextNode(ALERT_TITLE));

    var msg = alertObj.appendChild(d.createElement("p"));
    //msg.appendChild(d.createTextNode(txt));
    msg.innerHTML = txt;

    var btn = alertObj.appendChild(d.createElement("a"));
    btn.id = "closeBtn";
    btn.appendChild(d.createTextNode(ALERT_BUTTON_TEXT));
    btn.href = "#";
    btn.focus();
    btn.onclick = function() { removeCustomAlert(); return false; }

    alertObj.style.display = "block";

}

function removeCustomAlert() {
    document.getElementsByTagName("body")[0].removeChild(document.getElementById("modalContainer"));
}

<script>
jQuery('.order-form-submit').click(function send_order(){
gtag('event', 'purchase', {
  "transaction_id": <?=rand(1,1000)?>,
  "affiliation": "La Maree Buy",
  "value": {TOVAR_SUM},
  "currency": "RUR",
  "tax": 1.18,
  "shipping": 350,
  "items": <?=json_encode( $GLOBALS['item'], JSON_UNESCAPED_UNICODE ); ?>
});
});
</script>

$fp = fopen('tovary.xml',"r");
$arr = file_get_contents('tovary.xml');
$gruops = [];
fclose($fp);
#[2] => Окрашивание волос
#[33] => Перманентная краска
$details['category'] = "Перманентная краска";
$s = new SimpleXMLElement($arr);
$groups = [];
foreach($s->Классификатор->Группы->Группа as $g) {
	$naim     = $g->Наименование;
	$tid      = $g->Ид;
	$groups[] = [ $tid[0] . "", $naim[0] . "" ];
	foreach ( $g->Группы->Группа as $gr_parent ) {
		$naim     = $gr_parent->Наименование;
		$tid      = $gr_parent->Ид;
		$groups[] = [ $tid[0] . "", $naim[0] . "" ];
	}
}
foreach($groups as $gr){
	if($gr[1] == $details['category']){
		echo $gr[0];
	}
}

json_encode($arr, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);

' for '
" for "

$filename = 'files/' . $ident . '.xml';
    $ctype="application/force-download";
    header("Pragma: public"); // required
    header("Expires: 0");
    header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
    header("Cache-Control: private",false); // required for certain browsers
    header("Content-Type: $ctype");
    // change, added quotes to allow spaces in filenames, by Rajkumar Singh
    header("Content-Disposition: attachment; filename="".basename($filename)."";" );
    header("Content-Transfer-Encoding: binary");
    header("Content-Length: ".filesize($filename));
    readfile("$filename");