decimal up to 2 places in php 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: round to 2 decimal places php
round(520.34345, 2); // 520.34