What is the function used in PHP to determine the number of digits before a comma in a given number?

To determine the number of digits before a comma in a given number in PHP, you can use the strlen() function to count the characters of the number before the comma. You can also use strpos() function to find the position of the comma and then calculate the number of digits before it. 

$number = 123.45;
$number_str = (string) $number;
$comma_position = strpos($number_str, '.');
$digits_before_comma = $comma_position;
echo $digits_before_comma;

Keywords

PHP function number of digits comma determine

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