- abs: documentation ( source)
- round: documentation ( source)
- pow: documentation ( source)
<?php
$number = 3.0000000000000002;
$precision = 8;
$delta = pow(0.1, $precision);
$rounded = round($number, $precision);
if (abs($number -$rounded) < $delta) {
$roundedResult = intval($number);
}
if ((int) $number == $number){
$intedResult = (int) $number;
}
echo "Source number: ".$number.PHP_EOL;
echo "Rounded result: ".$roundedResult.PHP_EOL;
echo "Inted result: ".$intedResult.PHP_EOL;