is_double
A better way to check for a certain number of decimal places is to use :
$num_dec_places = 2;
number_format($value,$num_dec_places);
is_float
(PHP 4, PHP 5)
is_float — Finds whether a variable is a float
Description
bool is_float ( mixed $var )Finds whether the given variable is a float.
Note: To test if a variable is a number or a numeric string (such as form input, which is always a string), you must use is_numeric().
Parameters
- var
The variable being evaluated.
Return Values
Returns TRUE if var is a float, FALSE otherwise.
See Also
| is_bool() |
| is_int() |
| is_numeric() |
| is_string() |
| is_array() |
| is_object() |
add a note
User Contributed Notesis_float
phper
25-Jan-2006 08:08
25-Jan-2006 08:08
kirti dot contact at gmail dot com
19-Oct-2005 06:18
19-Oct-2005 06:18
To check a float only should contain certain number of decimal places, I have used this simple function below
<?
function is_deccount($number,$decimal=2){
$m_factor=pow(10,$decimal);
if((int)($number*$m_factor)==$number*$m_factor)
return true;
else
return false;
}
?>