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manual for is_array | search for "is_array"

is_array

(PHP 3, PHP 4 , PHP 5)

is_array -- Finds whether a variable is an array

Description

bool is_array ( mixed var)

Returns TRUE if var is an array, FALSE otherwise.

Example 1. Check that variable is an array

<?php
$yes = array('this', 'is', 'an array');

echo is_array($yes) ? 'Array' : 'not an Array';
echo "\n";

$no = 'this is a string';

echo is_array($no) ? 'Array' : 'not an Array';
?>

This example will output : 

Array
not an Array

See also is_float(), is_int(), is_integer(), is_string(), and is_object().

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