php float to 2 decimal places code example

Example 1: php float 2 decimais

$foo = "105";
echo number_format((float)$foo, 2, '.', '');

Example 2: fix to 2 decimal places php

return number_format((float)$number, 2, '.', '');

Example 3: php 2 decimal places without rounding

<?php 
function cutAfterDot($number, $afterDot = 2){
$a = $number * pow(10, $afterDot);
$b = floor($a);
$c = pow(10, $afterDot);
echo "a $a, b $b, c $c<br/>";
return $b/$c ;
}
echo cutAfterDot(2.05,2);

/*
output =   a 205, b 204, c 100 
2.04
*/

?>

Example 4: php float to number format 2

100,000
100,000.00
100,000.000
100.000,00