Delete digits after two decimal points, without rounding the value

Question

i have value in php variable like that

$var=\'2.500000550\';
echo $var

what i want is to delete all decimal points after 2 digits.

Answer 1

If you don't want to round the number but you want to remove the decimal places you can use "substr" method

substr(string, start, length);
substr(4.96, 0, -1);