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PHP: is_array() function

Description

The is_array() function is used to find whether a variable is an array or not.

Version:

(PHP 4 and above)

Syntax:

is_array (var_name)

Parameter:

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

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

Return value:

TRUE if var is an array, FALSE otherwise.

Value Type: Boolean.

Example :

<?php
$var_name=array('A','B','C');
if (is_array($var_name))
echo 'This is an array....';
else
echo 'This is not an array....';
?>

Output :

This is an array.... 

View the example in the browser

Practice here online :

See also

PHP Function Reference

Previous: intval
Next: is_bool



PHP: Tips of the Day

Returns true if the given string is a palindrome, false otherwise

Example:

<?php
function tips_palindrome($string)
{
  return strrev($string) === (string) $string;
}

print(tips_palindrome('malayalam'));
print("\n");
print(tips_palindrome(151));

?>

Output:

1
1