Even if HTML allows case insensitive tags, PHP and it's getElementsByTagName is case-sensitive. I don't know about you but for me, this is really messed up. I think you remeber the ultimate el_dom_childrenByTagCB function I shared here.

I'm sharing now it's lighter sister: el_dom_childrenByTagName. The one it evolved from. It's the same without bells and whistles [callbacks]. And it's CASE INSENSITIVE like it's supposed to.

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