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Re: solved! Re: Filling an array with random input doesn't quite work [message #185258 is a reply to message #185257]

Fri, 14 March 2014 22:58

Christoph Michael Bec
Messages: 207
Registered: June 2013

Karma:

Senior Member

Thomas 'PointedEars' Lahn wrote:

> Christoph Michael Becker wrote:
>
>> Tim Streater wrote:
>>> richard <noreply(at)example(dot)com> wrote:
>>>> $x=1;
>>>> while ($x<40){
>>>> $yr=rand(1,10);
>>>> $yr=$yr+59;
>>>> $num=rand(1,100);
>>>> if ($num<100){$num="0".$num;}
>>>> if ($num<10){$num="0".$num;}
>>>
>>> What is the point if this second "if"? You've already covered that with
>>> the first.
>>
>> That serves to add padding to three characters. The last three lines
>> could be replaced with the following:
>>
>> str_pad(rand(1, 100), 3, '0', STR_PAD_LEFT);
>
> $num = str_pad(rand(1, 100), 3, '0', STR_PAD_LEFT);
>
> as str_pad() does not modify strings (because they are immutable).

Of course! Thanks for the correction.

> Or simply
>
> $num = sprintf('%03d', rand(1, 100));
>
> :)

Even better. :)

--
Christoph M. Becker

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[Message index]

		Filling an array with random input doesn't quite work By: Mr Oldies on Wed, 12 March 2014 17:18
		Re: Filling an array with random input doesn't quite work By: Tim Streater on Wed, 12 March 2014 17:36
		Re: Filling an array with random input doesn't quite work By: Doug Miller on Wed, 12 March 2014 19:02
		Re: Filling an array with random input doesn't quite work By: Doug Miller on Wed, 12 March 2014 19:06
		Re: Filling an array with random input doesn't quite work By: Denis McMahon on Wed, 12 March 2014 20:34
		Re: Filling an array with random input doesn't quite work By: Tim Streater on Wed, 12 March 2014 22:51
		solved! Re: Filling an array with random input doesn't quite work (was: Filling an array with random input doesn't quite work) By: Mr Oldies on Wed, 12 March 2014 21:08
		Re: solved! Re: Filling an array with random input doesn't quite work (was: Filling an array with random input doesn't quite work) By: Tim Streater on Wed, 12 March 2014 22:49
		Re: solved! Re: Filling an array with random input doesn't quite work By: Christoph Michael Bec on Thu, 13 March 2014 00:11
		Re: solved! Re: Filling an array with random input doesn't quite work By: Mr Oldies on Thu, 13 March 2014 02:43
		Re: solved! Re: Filling an array with random input doesn't quite work By: Thomas 'PointedEars' on Fri, 14 March 2014 22:23
		Re: solved! Re: Filling an array with random input doesn't quite work By: Christoph Michael Bec on Fri, 14 March 2014 22:58
		Re: solved! Re: Filling an array with random input doesn't quite work By: Mr Oldies on Thu, 13 March 2014 01:14
		Re: solved! Re: Filling an array with random input doesn't quite work (was: Filling an array with random input doesn't quite work) By: Doug Miller on Thu, 13 March 2014 02:50
		Re: solved! Re: Filling an array with random input doesn't quite work (was: Filling an array with random input doesn't quite work) By: Denis McMahon on Thu, 13 March 2014 16:23
		Re: solved! Re: Filling an array with random input doesn't quite work (was: Filling an array with random input doesn't quite work) By: Doug Miller on Thu, 13 March 2014 02:53
		Re: Filling an array with random input doesn't quite work By: Norman Peelman on Thu, 13 March 2014 03:02
		Re: Filling an array with random input doesn't quite work By: Jerry Stuckle on Thu, 13 March 2014 03:11
		Re: Filling an array with random input doesn't quite work By: Norman Peelman on Fri, 14 March 2014 13:31
		Re: Filling an array with random input doesn't quite work By: Jerry Stuckle on Fri, 14 March 2014 15:00
		Re: Filling an array with random input doesn't quite work By: Norman Peelman on Fri, 14 March 2014 15:47
		Re: Filling an array with random input doesn't quite work By: Jerry Stuckle on Fri, 14 March 2014 16:55
		Re: Filling an array with random input doesn't quite work By: Norman Peelman on Sat, 15 March 2014 03:10
		Re: Filling an array with random input doesn't quite work By: Norman Peelman on Thu, 13 March 2014 04:31
		Re: Filling an array with random input doesn't quite work By: Daniel Pitts on Fri, 14 March 2014 19:42
		Re: Filling an array with random input doesn't quite work By: Thomas 'PointedEars' on Fri, 14 March 2014 22:07
		Re: Filling an array with random input doesn't quite work By: Ben Bacarisse on Sat, 15 March 2014 21:32
		Re: Filling an array with random input doesn't quite work By: Thomas 'PointedEars' on Sat, 15 March 2014 22:14
		Re: Filling an array with random input doesn't quite work By: Jerry Stuckle on Sun, 16 March 2014 02:14
		Re: Filling an array with random input doesn't quite work By: Ben Bacarisse on Sun, 16 March 2014 02:51
		Re: Filling an array with random input doesn't quite work By: Jerry Stuckle on Sun, 16 March 2014 13:46
		Re: Filling an array with random input doesn't quite work By: Gabriel on Sun, 16 March 2014 14:45
		Re: Filling an array with random input doesn't quite work By: Norman Peelman on Sun, 16 March 2014 23:52
		Re: Filling an array with random input doesn't quite work By: Denis McMahon on Mon, 17 March 2014 02:16
		Re: Filling an array with random input doesn't quite work By: Gabriel on Mon, 17 March 2014 12:43
		Re: Filling an array with random input doesn't quite work By: Jerry Stuckle on Mon, 17 March 2014 12:52
		Re: Filling an array with random input doesn't quite work By: Thomas 'PointedEars' on Mon, 17 March 2014 13:32
		Re: Filling an array with random input doesn't quite work By: Gabriel on Mon, 17 March 2014 13:47
		Re: Filling an array with random input doesn't quite work By: Thomas 'PointedEars' on Mon, 17 March 2014 15:07

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