resolve some errors in php logic, like strlen with str containing space that is interpreted as array instead of string

plug/map_prof/scripts/mp_info_window.js

@@ -0,0 +1,82 @@
+
+function attach_info_window(map, marker, events, infowindow) {
+
+	/*
+	 * https://developers.google.com/maps/documentation/javascript/infowindows
+	 * https://stackoverflow.com/questions/11106671/google-maps-api-multiple-markers-with-infowindows
+	 */
+
+	let window_content = `
+		<div id="infowindow_limits">
+			<div class="infowindow">
+				<div class="infowindow_head">
+					<p>${events[0].location.address}</p>
+					<div id="infowindow_close" onclick="g_infowindow.close()"></div>
+				</div>
+	`;
+	for (key in events) {
+		window_content += `
+				<a class="infowindow_body" href="${events[key].url}">
+					<p>${events[key].title}</p>
+				</a>
+		`;
+	};
+	window_content += `
+			</div>
+		</div>
+	`;
+
+	marker.addListener('click', () => {
+
+		let view_center = map.getCenter();
+		// height must be half css value (mp_info_windows.css -> '--size: XXXpx;')
+		let window_offset = { width: 0, height: 275 };
+
+		infowindow.setOptions({
+			//disableAutoPan: true,
+			disableAutoPan: false,
+			content: window_content,
+
+			/* dimensions */
+			//maxWidth: 400,
+			//minWidth: 400,
+
+			/* center window */
+			position: view_center,
+			pixelOffset: window_offset,
+
+			//shouldFocus: false,
+		});
+
+		infowindow.open(map);
+	});
+
+}
+
+/*
+	event					: {}
+		- heure_de_debut	: "";
+		- heure_de_fin		: "";
+		- categorie			: "";
+		- date				: "";
+		- pays				: "";
+		- ville				: "";
+		- adresse			: "";
+		- prenom			: "";
+		- nom				: "";
+		- irl				: bool;
+		- id				: x;
+		- index				: x (default null);
+		- title				: "";
+		- url				: "";
+		- location			: {}
+			- street		: "";
+			- city			: "";
+			- country		: "";
+			- address		: "";
+			- approximate	: bool;
+			- coordinates	: {}
+				- lat		: x;
+				- lng		: x;
+*/
+