Simple question because i did not find a really helping answer on google: Does the password_hash() function also check if there is already such a hash generated for instance in the userdata file?
I basically get what the function is doing, but i am fairly new to php, so i was not really able to see if the password is checked for uniqueness.
Please be gentle on this noob question right here. I simply want to understand what i am using right there, and not only do it because my exercise sheet at university tells me so.
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