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format into a percentage amount instead of 66.66666666 ect to 66

Posted on 2013-11-19
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222 Views
Last Modified: 2013-11-23
trying to set up a value formatted to cut all off on the right side of the decimal point

<td width="15%" align="right">
                        <span id="perecnt_<?php echo ($i);?>" class="tablchet" ><?php echo sprintf($currmask,0);?></span>
                  </td>


perecntpur.innerHTML = ((1/amtstore) *amtbought) * 100 ; to display


format
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Question by:sydneyguy
8 Comments
 
LVL 22

Assisted Solution

by:plusone3055
plusone3055 earned 150 total points
ID: 39659269
Referenced from
http://php.net/manual/en/function.sprintf.php

<?php
$number = 362525200;

echo sprintf("%.0e", $number); // outputs 3.625e+8
?>

This should give you the percentage format you need :)
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Author Comment

by:sydneyguy
ID: 39659277
this is the line that does the maths so its this line that will need the formatting applied to it

perecntpur.innerHTML = ((1/amtstore) *amtbought) * 100 ; to display
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Author Comment

by:sydneyguy
ID: 39659281
am trying this line but does not work

perecntpur.innerHTML =  sprintf("%.0e",((1/amtstore) *amtbought) * 100);
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LVL 43

Assisted Solution

by:Chris Stanyon
Chris Stanyon earned 150 total points
ID: 39659295
In PHP you have the round function, will will round a float to an int. If you just want to trim of the decimals then you have floor(). innerHTML is Javascript so I'm confused as to which language you're referring to:

$number = 66.66666666;

echo round($number); // will echo 67
echo floor($number); // will echo 66

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No idea why you're trying to format your number in scientific notation
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Author Comment

by:sydneyguy
ID: 39659328
this syntax i would have guessed would have worked but no
perecntpur.innerHTML = round(((1/amtstore) *amtbought) * 100);

val = round(((1/amtstore) *amtbought) * 100);
perecntpur.innerHTML =  val;

any ideas but we are gettgn there
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LVL 108

Accepted Solution

by:
Ray Paseur earned 200 total points
ID: 39659333
Here is how I would do it in PHP, assuming that you have the data in PHP and you're not constrained to use only client-side data.

http://www.laprbass.com/RAY_temp_sydneyguy.php

Outputs:
0.666666666667
0.67
67%
66.7%

<?php // RAY_temp_sydneyguy.php
error_reporting(E_ALL);
echo '<pre>';


// http://www.experts-exchange.com/Web_Development/Web_Languages-Standards/PHP/Q_28297972.html
// FORMAT A PERCENTAGE VALUE


// CREATE A REPEATING DECIMAL
$x = 2.0 / 3.0;
echo $x;
echo PHP_EOL;

// TURN IT INTO A USEFUL DECIMAL VALUE
$y = number_format($x, 2);
echo $y;
echo PHP_EOL;

// TURN IT INTO A PERCENTAGE
$z = number_format($x * 100, 0) . '%';
echo $z;echo PHP_EOL;

// TURN IT INTO A PERCENTAGE
$z = number_format($x * 100, 1) . '%';
echo $z;echo PHP_EOL;

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LVL 43

Expert Comment

by:Chris Stanyon
ID: 39659470
round() is a PHP function.

This line of your code...

perecntpur.innerHTML = round(((1/amtstore) *amtbought) * 100);

Open in new window

...does not look like PHP. What is it?
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Author Closing Comment

by:sydneyguy
ID: 39670961
thanks for the help on this question
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