PHP - 类内的全局变量 - 在内部函数中访问


PHP - Global Variable inside Class - To be accessed within internal functions

我正在为学校做一个项目,我第一次使用laravel框架。我遇到了一个小问题,我已经卡了好几天,尝试了很多不同的方法 - 没有任何效果。

我构建了一个时间函数,它将接受多个参数,然后检查 db 通过 while 循环,然后将所有结果添加到"全局"数组中,然后另一个函数将测试该全局数组并检查其中的值。

遇到的问题是我无法让函数正确访问全局数组:

我在网上尝试了很多不同的想法,但无法让类的内部函数访问全局数组 -

有谁知道一个简单的方法怎么做? 谢谢

尝试过(在最顶端 - 在课堂之前,也在班级内部在顶部)

$Global['ScheduleTest'] = array();
global $ScheduleCheck = array();
(inside class ) private $ScheduleCheck = array();

完整代码

:::::::
<?php
global $ScheduleCheck = array() ;
class CourseRegistrationController extends BaseController {
public function __construct() {
    $this->beforeFilter('csrf', array('on'=>'post'));
}
.....
// Function to test time overlaps
function testTimeOverlap($course ,$regday, $start_time,$end_time)
    {
        $start_time1 = (substr($start_time, 0, 5)) ;
        $end_time1 = (substr($end_time, 0, 5)) ;
        $ScheduleArr = makeSchedule();
        $reg_days = explode(",",$regday);
        foreach ($reg_days as $rday)
        {
            foreach ($ScheduleArr as $schedule)
            {
                if((strtolower($rday))==(strtolower($schedule['day'])))
                {
                    $start_time2 = (substr($schedule['stime'], 0, 5)) ;
                    $end_time2 = (substr($schedule['etime'], 0, 5)) ;
                    if(testTime($start_time1,$end_time1,$start_time2,$end_time2))
                    {
                        array_push($ScheduleCheck, array("course"=>$course,"value"=>"true","day"=>$rday ));
                    }
                  else
                  {
                    array_push($ScheduleCheck, array("course"=>$course,"value"=>"false","day"=>$rday ));
                  }
                }
                else
                {
                    array_push($ScheduleCheck, array("course"=>$course,"value"=>"true","day"=>$rday ));
                }
            }
        }
    }

// Another function to go through the global array
function finalTimeTest()
    {
        testNewTime((strtolower(Input::get('course_id'))),(strtolower(Input::get('lecture_id'))),(strtolower(Input::get('tutorial_id'))),(strtolower(Input::get('lab_id'))));
        foreach($ScheduleCheck as $ckTime)
        {
            if($ckTime['value']=="true")
            {
                return true;
            }
            else
            {
                return ($ckTime['course']." ");
            }
        }
    }
?>

这些"函数"应该定义为类上的方法。

class ScheduleChecker {
    protected $scheduleCheck = array();
    // Your functions should be placed in here!
    public function getScheduleCheck()
    {
        return $this->scheduleCheck;
    }
}

然后,可以从方法内部引用该属性。

public function finalTimeTest()
{
    // Using $this to call the testNewTime method.
    $this->testNewTime((strtolower(Input::get('course_id'))),(strtolower(Input::get('lecture_id'))),(strtolower(Input::get('tutorial_id'))),(strtolower(Input::get('lab_id'))));
    // Using $this to get the scheduleCheck property.
    foreach($this->scheduleCheck as $ckTime)
    {
        if($ckTime['value']=="true")
        {
            return true;
        }
        else
        {
            return ($ckTime['course']." ");
        }
    }
}

您可能希望将其绑定到 Laravel 的容器(app/start/global.php):

App::instance('schedule', new ScheduleChecker);

然后,在控制器中获取 $scheduleCheck 属性:

$scheduleCheck = App::make('schedule')->getScheduleCheck();