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I want to know how I can randomize first and last two digits in php? Suppose the current code is:
FJA793HIYX
then after randomizing it should be:
HJA793HIGD
How can I do that?
Try
$str = 'HJA793HIGD';
$filter = substr($str,1,7);
echo $newstr= randLetter().$filter.randLetter().randLetter();
function randLetter() {
$int = rand(0,26);
$alpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
$rand_letter = $alpha[$int];
return $rand_letter;
}
Try this!
$randomDigit = substr( "123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" ,mt_rand( 0 ,34 ) ,1 ) .substr( md5( time() ), 1)
Related
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<?php
$seed = 'COPY_RAFFLE_SEED_HERE'; // Randomly generated seed [Seed:]
$raffle_id = 'COPY_RAFFLE_ID_HERE'; // Raffle ID [Raffle ID:]
$entries = 10; // Number of tickets [Entries count:]
/*
*
* Must +1 return value since it starts with 0
* 28 characters offset to get 4 characters from both hashes
*
*/
$randomNumber = (hexdec(substr(md5($seed) . md5($raffle_id), 28, 8)) % $entries)+1; // Must use +1 as it starts with 0
echo "Ticket with number #$randomNumber won";
apparently this is the code used for the giveaways, and i wanted to see how it works
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I just want to know how to convert inch based on the integer inputted in the field.
For Example:
$int = $_POST['int']; //value 1
//computation here...
$inch = //formula
//echoing the inch
echo $inch;
If you want convert from centimeter can you use this source
function cm2inches($cm)
{
$inches = $cm/2.54;
$inches = $inches%12;
return sprintf('%d ins', $inches);
}
echo cm2inches(162);
You will have result
3 ins
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These are my strings
2012-13
2013-14
2014-15
2015-16
2016-17
2017-18
I my string is 2014-15 as current financial year, I want my next my next financial year as 2015-16
How can I achieve this with PHP? I get these year list form mysql table, but I want next financial year in php
Try this:
$financial_year = "2012-13";
$fin_array = explode("-", $financial_year);
$next_fin_array[0] = $fin_array[0] + 1;
$next_fin_array[1] = $fin_array[1] + 1;
$next_financial_year = implode("-", $next_fin_array); // Gives 2013-14
Hope this helps.
$myStr = '2014-15';
$yr1 = (int) substr($myStr, 0, 4);
$yr2 = (int) substr($myStr, -2);
echo ($yr1+1).'-'.($yr2+1);
// 2015-16
$financeYear = DateTime::createFromFormat ( "Y-d" ,"2014-15");
$financeYear->modify('+ 1 year');
echo $financeYear->format("Y-d");
Result
2015-15
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I would like to create a website that allows a user to generate a selectable number of unique strings of text that all follow an algorithm but as it is website based I am not too sure about how I go about it.
For example user A wants to generate 20 strings of unique text that all follow say AA***B^^** where A&B is a constant that doesn't change, where * is a random number and ^ is a random letter.
Is that possible? I am thinking of using php rand for the number but not 100% sure.
Thanks
You could use something like this:
<?php
function randomGenerator($string)
{
$string_array = str_split( $string );
$characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
foreach ($string_array as $k => $v) {
if ($v == '*')
$string_array[$k] = rand(0,9);
if ($v == '^')
$string_array[$k] = $characters[rand(0,51)];
}
$string = implode('', $string_array);
return $string;
}
echo randomGenerator('AA***NN^^'); // may print AA478NNhU
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I would like to know how can I change
$var = "01:30:00";
to
$var = "1.5";
in PHP ?
Thanks.
Something along these lines...
<?php
function timeToHours($time) {
$hoursMinsSecs = explode(':', $time);
return $hoursMinsSecs[0] + $hoursMinsSecs[1] / 60 + $hoursMinsSecs[2] / 3600;
}
$var = "01:30:00";
echo timeToHours($var);
?>