Question

How to check whether a variable is a scalar in PHP

Answer 1

// Scalar variables are: integer, float, string or boolean

$pi = 3.14;

var_dump(is_scalar($pi));


/*
run: 

bool(true) 

*/

 

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Answer 2

// Scalar variables are: integer, float, string or boolean

$arr = array("C", "C++", "PHP");

var_dump(is_scalar($arr));


/*
run: 

bool(false)  

*/

 

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