Accepted identifier for a variable in php except:
select one:
a. $_puihaha
b. & puihaha
c. $pui_haha
d. $puihaha

b. & Puihaha

Explanation:

PHP variables are supposed to start with a $ sign.

Other rules followed by PHP variables are:

Starting character in variable name (after $) must be letter or _.

Other characters in variable names can be letters,numbers or _.

a. $_Puihaha

c. $Pui_haha

d. $Puihaha

satisfy these rules.

Whereas , b. & Puihaha does not satisfy as it starts with '&'. Moreover it also contains an invalid space character in the variable.

a few, because i should have plenty.

this is false i think

if it is a true or false question