How can test scripts be effectively used in PHP to verify the functionality and output of code snippets or functions?

To effectively use test scripts in PHP to verify the functionality and output of code snippets or functions, you can utilize a testing framework like PHPUnit. By writing test cases that cover various scenarios and expected outputs, you can ensure that your code behaves as expected and catches any potential bugs or issues. 

// Example test script using PHPUnit

use PHPUnit\Framework\TestCase;

class MyFunctionTest extends TestCase {
    public function testMyFunction() {
        // Include the file containing the function to be tested
        require 'myFunction.php';

        // Test the function with different inputs and expected outputs
        $this->assertEquals(5, myFunction(2, 3));
        $this->assertEquals(10, myFunction(5, 5));
        $this->assertEquals(0, myFunction(0, 0));
    }
}

Keywords

unit testing PHPUnit assertions code coverage test-driven development

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