Replace x() by isset(), !empty() or defaults()

- Remove extraneous parentheses around empty() calls
- Remove duplicate calls to intval(), count() or strlen() after empty()
- Replace ternary operators outputting binary value with empty() return value
- Rewrite defaults() without x()

src/Content/Text/HTML.php

@@ -908,7 +908,7 @@ class HTML
 	public static function micropro($contact, $redirect = false, $class = '', $textmode = false)
 	{
 		// Use the contact URL if no address is available
-		if (!x($contact, "addr")) {
+		if (empty($contact['addr'])) {
 			$contact["addr"] = $contact["url"];
 		}
 
@@ -924,7 +924,7 @@ class HTML
 		}
 
 		// If there is some js available we don't need the url
-		if (x($contact, 'click')) {
+		if (!empty($contact['click'])) {
 			$url = '';
 		}