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Add decimal point 2 characters to the right under PHP

I have a large array containing many items containing numeric data.

Example:

3200
34300
1499
12899

I want to convert them to:

32.00
343.00
14.99
128.99

How can I achieve this elegantly in PHP without using regex?

Thanks in advance.

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3 answers 


$new_array=array();
foreach($old_array as $value)
{
   $new_array[]=number_format(($value/100),2);
}


See number_format if you want to tinker with the thousand separator or something. See foreach if you want to change array values ​​in place.

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Or, if you like anonymous functions and PHP 5.3:

$ nums = array (1, 2, 3, 4);
array_walk ($ nums, function (& $ val, $ key) {
    $ val = number_format ($ val / 100, 2);
});
print_r ($ nums);

Output:



Array
(
    [0] => 1.00
    [1] => 2.00
    [2] => 3.00
    [3] => 4.00
)

Still and everything, the answer is the same: use number_format()

.

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Using number_format .

for($i=0;$i<count($array);$i++)
{
    $array[$i] = number_format($array[$i]/100,2);
    //if you need them as numbers
    $array[$i] = (float) number_format($array[$i]/100,2);
}
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