when you are paid by the hour

overkill, but cool

naming conventions should be followed, code should be readable. using e and v is very obfuscated

nobody is going to understand what's happening here, this gives the impression the comparision is between numbers, absolutely should not be used in production imho. its just for fun and curiosity

im guessing people just blindly click the upvotes just because its at the top

why would you use a dollar sign there? why!!

Loops are "better" than recursive function, i did this because i felt like writing a recursive function

unused $a variable

no need for an else block here though, just return true outside the if block, just nitpicking :P