Answers for "how to check number of decimal places after point in php"

fix to 2 decimal places php

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

two digits after decimal point in php

echo round(520.34345, 2);   // 520.34
echo round(520.3, 2);       // 520.3
echo round(520, 2);         // 520

php form detect if number has decimals

function is_decimal( $val )
{
    return is_numeric( $val ) && floor( $val ) != $val;
}