How to check datatype of variable in PHP
We will share with you how to check datatype of variable in PHP.
The gettype() function returns the type of a variable.
Example:
<!DOCTYPE html>
<html>
<body>
<?php
$num = 30;
echo gettype($num) . "<br>";
$dou = 13.2;
echo gettype($dou) . "<br>";
$str = "Hello";
echo gettype($str) . "<br>";
$arr = array();
echo gettype($arr) . "<br>";
$a = NULL;
echo gettype($a) . "<br>";
$bool = false;
echo gettype($bool) . "<br>";
?>
</body>
</html>
Output:
integer
double
string
array
NULL
boolean
You can run and check it.
I hope it will help you.
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