अभिकथन और परीक्षण विधियाँ

<?php
$this->assertEquals(0, false);      // passes (0 == false)
$this->assertSame(0, false);        // FAILS  (0 !== false)

<?php
$this->assertTrue(is_string("hello"));
$this->assertFalse(is_numeric("abc"));

<?php
$user = $repo->find(999);
$this->assertNull($user);

$user = $repo->find(1);
$this->assertNotNull($user);

<?php
$items = $cart->getItems();
$this->assertCount(3, $items);

<?php
$html = $template->render();
$this->assertStringContainsString("<h1>Welcome</h1>", $html);

<?php
$handler = $factory->create("email");
$this->assertInstanceOf(EmailHandler::class, $handler);

<?php
public function test_throws_on_invalid_input(): void
{
    $this->expectException(\InvalidArgumentException::class);
    $this->expectExceptionMessage("must be positive");
    new Product(-1);
}

<?php
$result = $api->getUser(1);
$this->assertArrayHasKey("email", $result);
$this->assertArrayHasKey("id", $result);

<?php
$this->assertEqualsWithDelta(3.14159, M_PI, 0.001);

<?php
$this->assertEquals(200, $response->status(), "Expected HTTP 200 OK response");