Shulou(Shulou.com)06/03 Report--

This article mainly introduces the "comparison of PHP native functions and custom functions". In daily operation, I believe many people have doubts about the comparison of PHP native functions and custom functions. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the doubts of "comparison of PHP native functions and custom functions". Next, please follow the editor to study!

Today, I found such a function when I was reading the Arr class in the kohana source code.

The copy code is as follows:

/ * *

* Fill an array with a range of numbers.

*

* / / Fill an array with values 5, 10, 15, 20

* $values = Arr::range (5,20)

*

* @ param integer $step stepping

* @ param integer $max ending number

* @ return array

, /

Public static function range ($step = 10, $max = 100)

{

If ($step < 1)

Return array ()

$array = array ()

For ($I = $step; $I

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