> I'm actually curious why PHP was chosen From the article: "However, by 2015, as VisualEditor and Parsoid matured and became established, maintaining two para

> I'm actually curious why PHP was chosen From the article: "However, by 2015, as VisualEditor and Parsoid matured and became established, maintaining two parallel wikitext engines in perpetuity was untenable" They didn't write it in PHP for speed, that was merely a side effect. They wrote it in PHP so they could have a single language for the system.