What is a floating point type in PHP data type? How to use PHP floats?

What is the PHP data type floating point? As "newbies", let's continue to explore the mysteries of PHP together! ! ! I believe this article can bring you a better understanding of PHP! ! ! Let's Go!!!

##There are two main ways to declare:

1: Scientific statement

2: Ordinary statement

For the ordinary statement, the code is as follows:

<?php
//声明浮点型变量$fl
$fl=1432.23424;
echo $fl;
?>

The running result is as follows:

echo is an output function, and although var_dump() is also a function, if you insert a variable into (), this function will print the data type, and The length and value of the variable will also be displayed accordingly.

So we use var_dump to write a PHP code as follows:

<?php
//声明浮点型变量$fl
$fl=1432.23424;
var_dump($fl);
?>

The running result is as follows:

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