Question

How to check the data type of a variable in PHP

Answer 1

$a = 98;
echo gettype($a) . "\n"; 

$b = 3.14;
echo gettype($b) . "\n"; 

$c = "PHP";
echo gettype($c) . "\n"; 

$d = array();
echo gettype($d) . "\n"; 

$e = array("php", "c", "java");
echo gettype($e) . "\n"; 

$f = NULL;
echo gettype($f) . "\n"; 

$g = false;
echo gettype($g) . "\n"; 




/*
run:

integer
double
string
array
array
NULL
boolean

*/

 

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