Check if a variable is a scalar in PHP
Description
The following code shows how to check if a variable is a scalar.
Example
<?php/*from w w w.j a v a 2 s . co m*/
function show_var($var)
{
if (is_scalar($var)) {
echo $var;
} else {
var_dump($var);
}
}
$pi = 3.1416;
$proteins = array("hemoglobin", "cytochrome c oxidase", "ferredoxin");
show_var($pi);
show_var($proteins)
?>
The code above generates the following result.
