People love to chuckle about PHP's function naming inconsistency, born in part by PHP's symbol hash having originally been "strlen".

Meanwhile C is out here like

"""
The problem is that there was never any guarantee that more than a certain number of characters would be checked when names were compared for equality—in Old C this was eight characters, in Standard C this has changed to 31.
"""

https://publications.gbdirect.co.uk//c_book/chapter2/keywords_and_identifiers.html#:~:text=there%20was%20never%20any%20guarantee%20that%20more%20than%20a%20certain%20number%20of%20characters%20would%20be%20checked%20when%20names%20were%20compared%20for%20equality%E2%80%94in%20Old%C2%A0C%20this%20was%20eight%20characters