PHP Recursive Function

PHP also supports recursive function call like C/C++. In such case, we call current function within function. It is also known as recursion.

It is recommended to avoid recursive function call over 200 recursion level because it may smash the stack and may cause the termination of script.

Example 1: Printing number

snippet

Output:

Output
1 2 3 4 5

Example 2 : Factorial Number

snippet

Output:

Output
120
Related Tutorial
1 PHP Functions
2 PHP Parameterized Function
3 PHP Call By Value
4 PHP Call By Reference
5 PHP Default Argument Values Function
6 PHP Variable Length Argument Function
7 PHP Recursive Function

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