Check if the type of a variable is string in PHP
Description
The following code shows how to check if the type of a variable is string.
Example
<?php/* www. jav a 2 s .c o m*/
$values = array(false, true, null, 'abc', '23', 23, '23.5', 23.5, '', ' ', '0', 0);
foreach ($values as $value) {
echo "is_string(";
var_export($value);
echo ") = ";
echo var_dump(is_string($value));
}
?>
The code above generates the following result.
