PHP 애플리케이션 성능 최적화에서 PHPUnit 테스트 프레임워크의 성능 개선 최적화

// 全局变量
$global_var = 1;

// 限制变量范围
function my_function() {
    $local_var = 1;
    // do something
}

$cache_key = 'my_cache_key';
$cached_result = apc_fetch($cache_key);
if ($cached_result) {
    return $cached_result;
}
$cached_result = do_expensive_calculation();
apc_store($cache_key, $cached_result);

class MyTest extends \PHPUnit\Framework\TestCase {
    public function setUp(): void
    {
        // 只执行一次查询
        $this->query_result = do_query();
    }
}

$this->assertThat($value, self::equalTo(1));
$this->assertThat($value, self::isGreaterThan(0));
$this->assertThat($value, self::isLessThan(10));

public function testPerformance()
{
    $this->assertTrue(true);
    $this->assertTrue(false);
    $this->assertTrue(true);
    $this->assertTrue(false);
    $this->assertTrue(true);
}

public function testPerformance()
{
    $this->assertThat([true, true, true, false, false], self::every(self::isTrue()));
}