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Fibonacci Series

Fibonacci series is the one in which you will get your next term by adding previous two numbers.

For example,

and so on.


Logic:

  • Initializing first and second number as 0 and 1.
  • Print first and second number.
  • From next number, start your loop. So third number will be the sum of the first two numbers.

Example:

We'll show an example to print the first 12 numbers of a Fibonacci series.

Output:

PHP Fibonacci series 1

Fibonacci series using Recursive function

Recursion is a phenomenon in which the recursion function calls itself until the base condition is reached.

Output:

PHP Fibonacci series 2
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