Testing If a Variable Is an Array in PHP

Q

How To Test If a Variable Is an Array in PHP?

✍: FYIcenter.com

A

Testing if a variable is an array is easy. Just use the is_array() function. Here is a PHP script on how to use is_array():

<?php 
$var = array(0,0,7);
print("Test 1: ". is_array($var)."\n");
$var = array();
print("Test 2: ". is_array($var)."\n");
$var = 1800;
print("Test 3: ". is_array($var)."\n");
$var = true;
print("Test 4: ". is_array($var)."\n");
$var = null;
print("Test 5: ". is_array($var)."\n");
$var = "PHP";
print("Test 6: ". is_array($var)."\n");
print("\n");
?>

This script will print:

Test 1: 1
Test 2: 1
Test 3:
Test 4:
Test 5:
Test 6:

⇒ Retrieving Values out of an Array in PHP

⇐ Creating an Array in PHP

⇑ Understanding PHP Arrays and Their Basic Operations

⇑⇑ PHP Tutorials

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Testing If a Variable Is an Array in PHP
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