PHP | Check data type in php | gettype() | var_dump()
By using gettype() function we can check the data type of a variable.
we can also use var_dump() function for the same.
gettype()
<?php
echo gettype(102).'<br>';
echo gettype(true).'<br>';
echo gettype(new stdclass());
?>
//output
integer
boolean
object
var_dump()
<?php
$var_1=21;
$var_2=2.99;
$var_3="www.studyzone4u.com";
echo var_dump($var_1)."<br>";
echo var_dump($var_2)."<br>";
echo var_dump($var_3);
?>
//output
int(21)
float(2.99)
string(19) "www.studyzone4u.com"
