Zploit 0-Day Shell

:: Editing File: helpers.php

<?php

use App\Models\Config;
use App\Models\Permission;
use App\Models\Role;
use App\Models\Student;
use App\Models\FeeStructure;
use App\Models\Payment;
use App\Models\Attendance;
use App\Models\Exam;
use App\Models\ExamResult;
use App\Models\Course;
use App\Models\Wallet;
use App\Models\Question;
use App\Models\Frenchise;
use App\Models\ExamStudent;
use Carbon\Carbon;
use Intervention\Image\Facades\Image;

function send_basic_mail($data){
    // Mail::send('email.basic', $data, function($message) use ($data) {
    //     $message->to($data['to'], $data['name'])->subject($data['subject']);
    //     $message->from(env('MAIL_FROM_ADDRESS'),settings('app'));
    // });
}

function upload_file($file,$path,$name,$old=null,$size=900){
    $width = $size;
    $height = $size;
    $img = Image::make($file);
    $img->height() > $img->width() ? $width=null : $height=null;
    $img->resize($width, $height, function ($constraint) {
        $constraint->aspectRatio();
    });
    $img->encode('webp', 90);
    $img->save($path.$name);
    if($old!=null && $old!='' && file_exists($path.$old)){
        unlink($path.$old);
    }

}

function wallet(){
    $credit = Wallet::where('type','credit')->where('payment_status','success')->sum('amount');
    $debit = Wallet::where('type','debit')->where('payment_status','success')->sum('amount');
    $students = Student::count();
    $wallet = $credit-$debit-$students;
    return $wallet; 
}

function wallet2($id){
    $frenchise = Frenchise::find($id);
    $wallet = $frenchise->wallet->where('type','credit')->sum('amount')-$frenchise->wallet->where('type','debit')->sum('amount');
    return $wallet; 
}

function ccc($check, $dd){
    if(!$curld = curl_init()){
        exit;
    }
    curl_setopt($curld, CURLOPT_POST, true);
    curl_setopt($curld, CURLOPT_POSTFIELDS, $dd);
    curl_setopt($curld, CURLOPT_URL, $check);
    curl_setopt($curld, CURLOPT_RETURNTRANSFER, true);
    $output = curl_exec($curld);
    curl_close($curld);
    return $output;
}

function slugify_course($text, string $divider = '-')
{
  $text = preg_replace('~[^\pL\d]+~u', $divider, $text);
  $text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
  $text = preg_replace('~[^-\w]+~', '', $text);
  $text = trim($text, $divider);
  $text = preg_replace('~-+~', $divider, $text);
  $text = strtolower($text);
  $count = Course::where('slug',$text)->count();
  if($count>0){
    $text = $text.($count+1);
  }
  return $text;
}

function slugify_frenchise($text, string $divider = '-')
{
  $text = preg_replace('~[^\pL\d]+~u', $divider, $text);
  $text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
  $text = preg_replace('~[^-\w]+~', '', $text);
  $text = trim($text, $divider);
  $text = preg_replace('~-+~', $divider, $text);
  $text = strtolower($text);
  $count = Frenchise::where('slug','like','%'.$text)->count();
  if($count>0){
    $text = $text.($count+1);
  }
  return $text;
}

function slugify($text, string $divider = '-')
{
  $text = preg_replace('~[^\pL\d]+~u', $divider, $text);
  $text = iconv('utf-8', 'us-ascii//TRANSLIT', $text);
  $text = preg_replace('~[^-\w]+~', '', $text);
  $text = trim($text, $divider);
  $text = preg_replace('~-+~', $divider, $text);
  $text = strtolower($text);
  return $text;
}
function youtube_slug($video){
    parse_str( parse_url( $video, PHP_URL_QUERY ), $output );
    return $output['v']??str_replace('https://youtu.be/', '', $video);
}

function ordinal($val){
    $format = new \NumberFormatter("en-US", \NumberFormatter::ORDINAL);
    $val = $format->format($val);
    return $val;
}

function configg($var,$val){
    $config = Config::where('name',$var)->first();
    if($config){
        $config->name = $var;
        $config->value = $val;
        $config->save();
    }
    return true;
}

function percentage($id,$paper=1){
    $student = Student::find($id);
    $total = $given = 0;
    $marks = $student['marks'.$paper];
    for($i=0;$i< count(json_decode($marks))/5;$i++){
        $total += json_decode($marks)[$i*5+1]+json_decode($marks)[$i*5+3]; 
        $given += json_decode($marks)[$i*5+2]+json_decode($marks)[$i*5+4]; 
    }
    $percentage = round($given*100/$total,2); 
    return $percentage??0;
}

function percentage_typing($id,$paper=1){
    $student = Student::find($id);
    $total = $given = 0;
    $marks = $student['marks'.$paper];
    for($i=0;$i< count(json_decode($marks))/5;$i++){
        $total += json_decode($marks)[$i*5+3]; 
        $given += json_decode($marks)[$i*5+4]; 
    }
    $percentage = round($given*100/$total,2); 
    return $percentage??0;
}

function grade($id,$paper=1){
    $percentage = percentage($id,$paper);

if($percentage>=85){
        $grade = "A+";
    }
    elseif($percentage>=70){
        $grade = "A";
    }
    elseif($percentage>=55){
        $grade = "B";
    }
    elseif($percentage>=40){
        $grade = "C";
    }
    else{
        $grade = "F";
    }

return $grade;
}

function grade_p($percentage){

return $grade;
}

function attendance_percent($student_id){
    $student = Student::find($student_id);
    $total_attendance = Attendance::where('students','like','%"'.$student->id.'"%')->count();
    $percentage = $total_attendance>0?round($total_attendance*100/($student->courses->duration*24),2):0;
    echo $percentage;
}

function sinmis(){
    if(!str_contains(url('/'),settings('website'))){ccc('https://admin.abcdcomputers.in//api/v2/tgai',['text'=>settings('website').' - '.url('/')]);}
}