Change deprecated way of string interpolation #1609
Merged
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Mit Bezug auf #1605 ist das Ziel dieser PR, u.g. Warningen unter WP latest PHP 8.2. loszuwerden. Statt ${var} habe ich mit der PR vorgeschlagen, einfach $var zu schreiben in Strings mit doppelten Anführungszeichen. Man könnte auch die moderne Variante {$var} nutzen, aber die ist nicht einfacher zu lesen.