Add the new (June 2022) Quantcast Choice code to your WordPress website header

add_quantcast_choice_headar.php

<?php
add_action( 'wp_head', array( $this, 'quantcast_choice_enable_action' ), function() {
	?>
	<!-- Quantcast Choice. Consent Manager Tag v2.0 (for TCF 2.0) -->
	<script type="text/javascript" async=true>
	(function() {
		var host = window.location.hostname;
		var element = document.createElement('script');
		var firstScript = document.getElementsByTagName('script')[0];
		var url = 'https://cmp.quantcast.com'
			.concat('/choice/', 'YOUR_ID', '/', host, '/choice.js');
		var uspTries = 0;
		var uspTriesLimit = 3;
		element.async = true;
		element.type = 'text/javascript';
		element.src = url;
	
		firstScript.parentNode.insertBefore(element, firstScript);
	
		function makeStub() {
			var TCF_LOCATOR_NAME = '__tcfapiLocator';
			var queue = [];
			var win = window;
			var cmpFrame;
	
			function addFrame() {
				var doc = win.document;
				var otherCMP = !!(win.frames[TCF_LOCATOR_NAME]);
	
				if (!otherCMP) {
					if (doc.body) {
						var iframe = doc.createElement('iframe');
	
						iframe.style.cssText = 'display:none';
						iframe.name = TCF_LOCATOR_NAME;
						doc.body.appendChild(iframe);
					} else {
						setTimeout(addFrame, 5);
					}
				}
				return !otherCMP;
			}
	
			function tcfAPIHandler() {
				var gdprApplies;
				var args = arguments;
	
				if (!args.length) {
					return queue;
				} else if (args[0] === 'setGdprApplies') {
					if (
						args.length > 3 &&
						args[2] === 2 &&
						typeof args[3] === 'boolean'
					) {
						gdprApplies = args[3];
						if (typeof args[2] === 'function') {
							args[2]('set', true);
						}
					}
				} else if (args[0] === 'ping') {
					var retr = {
						gdprApplies: gdprApplies,
						cmpLoaded: false,
						cmpStatus: 'stub'
					};
	
					if (typeof args[2] === 'function') {
						args[2](retr);
					}
				} else {
					if(args[0] === 'init' && typeof args[3] === 'object') {
						args[3] = { ...args[3], tag_version: 'V2' };
					}
					queue.push(args);
				}
			}
	
			function postMessageEventHandler(event) {
				var msgIsString = typeof event.data === 'string';
				var json = {};
	
				try {
					if (msgIsString) {
						json = JSON.parse(event.data);
					} else {
						json = event.data;
					}
				} catch (ignore) {}
	
				var payload = json.__tcfapiCall;
	
				if (payload) {
					window.__tcfapi(
						payload.command,
						payload.version,
						function(retValue, success) {
							var returnMsg = {
								__tcfapiReturn: {
									returnValue: retValue,
									success: success,
									callId: payload.callId
								}
							};
							if (msgIsString) {
								returnMsg = JSON.stringify(returnMsg);
							}
							if (event && event.source && event.source.postMessage) {
								event.source.postMessage(returnMsg, '*');
							}
						},
						payload.parameter
					);
				}
			}
	
			while (win) {
				try {
					if (win.frames[TCF_LOCATOR_NAME]) {
						cmpFrame = win;
						break;
					}
				} catch (ignore) {}
	
				if (win === window.top) {
					break;
				}
				win = win.parent;
			}
			if (!cmpFrame) {
				addFrame();
				win.__tcfapi = tcfAPIHandler;
				win.addEventListener('message', postMessageEventHandler, false);
			}
		};
	
		makeStub();
	
		var uspStubFunction = function() {
			var arg = arguments;
			if (typeof window.__uspapi !== uspStubFunction) {
				setTimeout(function() {
					if (typeof window.__uspapi !== 'undefined') {
						window.__uspapi.apply(window.__uspapi, arg);
					}
				}, 500);
			}
		};
	
		var checkIfUspIsReady = function() {
			uspTries++;
			if (window.__uspapi === uspStubFunction && uspTries < uspTriesLimit) {
				console.warn('USP is not accessible');
			} else {
				clearInterval(uspInterval);
			}
		};
	
		if (typeof window.__uspapi === 'undefined') {
			window.__uspapi = uspStubFunction;
			var uspInterval = setInterval(checkIfUspIsReady, 6000);
		}
	})();
	</script>
	<!-- End Quantcast Choice. Consent Manager Tag v2.0 (for TCF 2.0) -->
	<?php
}, 1/; //As soon as possible