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WordPress Support Officer Interview Question:
If variable $a is equal to 5 and variable $b is equal to character a, what's the value of $$b?
Submitted by: AdministratorAnswer #1
100, it's a reference to existing variable.
Answer #2
5, $$b acts as a variable variable and would be the same as writing $a.
Answer #3
$a=5; $b="a"; echo $$b; it will be 5 not 100;
Submitted by:
100, it's a reference to existing variable.
Answer #2
5, $$b acts as a variable variable and would be the same as writing $a.
Answer #3
$a=5; $b="a"; echo $$b; it will be 5 not 100;
Submitted by:
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