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Re: Verifying time in php [message #179379 is a reply to message #179377]

Sun, 14 October 2012 13:03

J.O. Aho
Messages: 194
Registered: September 2010

Karma:

Senior Member

On 14/10/12 12:30, houghi wrote:
> houghi wrote:
>> I have a form that has the following entry fields:
>> hours
>> minutes
>> seconds
>
> The code can be seen here : http://houghi.org/gopro.php?code
>
> $realtime=$_POST['hours']*3600+$_POST['minutes']*60+$_POST['seconds'];
>
> What I want to know if the $realtime is something I could get an error
> message form.

You would in most cases have a value of some sort, but you can't always
relay on that it will for ever be like that (we know PHP makes some big
changes from time to time) and what happens further down if you have
negative values or huge values.

Validate what you get and make a sanity check on what you got before you
calculate the realtime value.

> I just want to figure out how I can check if Hours, Minutes and Seconds
> input is valid.

There are quite many is_* functions, among those you have
is_numeric()[1] and another one is isset()[2] which gives you true or false.

[1]: http://www.php.net/manual/en/function.is-numeric.php
[2]: http://www.php.net/manual/en/function.isset.php

--

//Aho

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[Message index]

		Verifying time in php By: houghi on Sun, 14 October 2012 09:45
		Re: Verifying time in php By: Denis McMahon on Sun, 14 October 2012 10:25
		Re: Verifying time in php By: houghi on Sun, 14 October 2012 11:50
		Re: Verifying time in php By: Denis McMahon on Sun, 14 October 2012 21:12
		Re: Verifying time in php By: houghi on Sun, 14 October 2012 10:30
		Re: Verifying time in php By: J.O. Aho on Sun, 14 October 2012 13:03
		Re: Verifying time in php By: houghi on Sun, 14 October 2012 15:16
		Re: Verifying time in php By: Michael Fesser on Sun, 14 October 2012 15:50
		Re: Verifying time in php By: M. Strobel on Sun, 14 October 2012 16:22
		Re: Verifying time in php By: Peter H. Coffin on Sun, 14 October 2012 16:41
		Re: Verifying time in php By: Martin Leese on Sun, 14 October 2012 17:06
		Re: Verifying time in php By: houghi on Sun, 14 October 2012 17:41
		Re: Verifying time in php By: Michael Fesser on Sun, 14 October 2012 19:03
		Re: Verifying time in php By: houghi on Sun, 14 October 2012 20:39
		Re: Verifying time in php By: Christoph Becker on Sun, 14 October 2012 15:52
		Re: Verifying time in php By: houghi on Sun, 14 October 2012 17:20
		Re: Verifying time in php By: J.O. Aho on Sun, 14 October 2012 18:41
		Re: Verifying time in php By: Christoph Becker on Sun, 14 October 2012 18:49
		Re: Verifying time in php By: houghi on Sun, 14 October 2012 20:32
		Re: Verifying time in php By: Richard Damon on Sun, 14 October 2012 15:44
		Re: Verifying time in php By: Luuk on Sun, 14 October 2012 19:28

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