What is the difference between gettype and var_dump?

Question

<?php

$float=88.8;

$type=gettype($float);

echo $type.'<br /> ';

$var=var_dump($float);

echo $var.'<br /> Why are the types of the two executions different, one is double, and the other is Is it float';

?>

Answer 1

Floating point type

↓

Single precision + double precision If you use is_float($float), it is also equal to true.

Answer 2

Double and faloat are the same. They both mean floating point type, but the precision of the data expressed is different.