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PHPUnit assertIsArray() Function

The assertIsArray() function is a builtin function in PHPUnit and is used to assert whether the given variable is an array or not. This assertion will return true in the case if the given variable is array else returns false. In case of true the asserted test case got passed else test case got failed.

Syntax:



assertIsArray($actual[, $message = ''])

Parameters: This function accepts two parameters as mentioned above and described below:

Below example illustrate the assertIsArray() function in PHPUnit:



Example 1:




<?php 
use PHPUnit\Framework\TestCase; 
    
class GeeksPhpunitTestCase extends TestCase 
    public function testNegativeForassertIsArray()
          
    {  
     $variable  =  ("apple/banana");
        // Assert function to test whether assert
        //  variable is array or not
        $this->assertIsArray(
            $variable,
            "assert variable is array or not"
        );
          
    }
   
 
?> 

Output:

PHPUnit 8.5.8 by Sebastian Bergmann and contributors.

F                                                  1 / 1 (100%)

Time: 90 ms, Memory: 10.00 MB

There was 1 failure:

1) GeeksPhpunitTestCase::testNegativeForassertIsArray
assert variable is array or not
Failed asserting that 'apple/banana' is of type "array".

/home/lovely/Documents/php/test.php:15

FAILURES!
Tests: 1, Assertions: 1, Failures: 1.

Example 2:




<?php 
use PHPUnit\Framework\TestCase; 
    
class GeeksPhpunitTestCase extends TestCase 
    public function testPositiveForassertIsArray()
          
    {  
     $variable  = array ("apple/banana");
        // Assert function to test whether assert
        //  variable is array or not
        $this->assertIsArray(
            $variable,
            "assert variable is array or not"
        );
          
    }
   
 
?> 

Output:

PHPUnit 8.5.8 by Sebastian Bergmann and contributors.

.                                                  1 / 1 (100%)

Time: 88 ms, Memory: 10.00 MB

OK (1 test, 1 assertion)

Reference: https://phpunit.readthedocs.io/en/9.2/assertions.html#assertisiterable


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