w3resource

php.js : is_scalar() function

is_scalar() function

The is_scalar() function is used to check whether a variable is a scalar or set or not. The function returns true if the value is a scalar otherwise false.

Version:

1103.1210

Syntax:

is_scalar(variable_name)

Parameters:

Name Description Required /
Optional
Type
variable_name The variable being checked Required Mixed*

*Mixed : Mixed indicates that a parameter may accept multiple (but not necessarily all) types.

Example of php.js is_scalar() function

In the following web document is_scalar() function test whether a value is scalar or not.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>php.js : is_scalar() function example</title>
<script type="text/javascript" src="../../phpjs/variable/variable.min.js"> </script>
</head>
<body>
<h1 style="color: green">php.js : is_scalar() function example</h1>
<h3>Function returns true if value is a scalar...</h3>
<hr />
<script type="text/javascript">
//This is done to make the following JavaScript code compatible to XHTML. <![CDATA[
var_name='A';
if (is_scalar(var_name))
document.write('The value is a scaler...'+'<br />');
else
document.write('The value is not scaler...'+'<br />');
var_name=2658.56
if (is_scalar(var_name))
document.write('The value is a scaler...');
else
document.write('The value is not scaler...');
//]]>
</script>
</body>
</html>

View example of php.js is_scalar() function in browser

Download phpjs.zip

Previous: php.js : is_resource() function
Next: php.js : is_string() function



Share this Tutorial / Exercise on : Facebook and Twitter