Function to return number of digits of an integer in PHP
By: Iletras in PHP Tutorials on 2011-04-08
This is a very simple but useful function to return number of digits of an integer.
//function declaration
function count_digit($number) {
return strlen((string) $number);
}
//function call
$num = 12312;
$number_of_digits = count_digit($num); //this is call :)
echo $number_of_digits;
//prints 5
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