PNG %k25u25%fgd5n! PNG %k25u25%fgd5n!
PNG %k25u25%fgd5n! PNG %k25u25%fgd5n!
PNG %k25u25%fgd5n! PNG %k25u25%fgd5n!
"\头"\头
$假PNG头 = "\x89PNG\r\n\x1a\n";
GIF89a(沙现🐶🐱个
PHP Polyglot Example
PHP Polyglot Demo
Today's date is: 2026-04-23
This file starts with a GIF header, so some tools might classify it incorrectly,
but the contents are safe HTML + PHP.
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PNG
"\"\
$假PNG头 = "\x89PNG\r\n\x1a\n";
$假PNG头 = "\x89PNG\r\n\x1a\n";
PNG %k25u25%fgd5n! PNG %k25u25%fgd5n!
GIF89a
PHP Polyglot Example
PHP Polyglot Demo
redirect($base.'login.php');
}
$user_id = $_SESSION['user_id'];
$course_id = $_GET['course_id'];
$assign_no = $_GET['assign_no'];
// Create object of EndUser class
$end_user = new EndUser($db, $user_id);
//validate user course
$result_validate = $front->validateUserCourse($course_id, $user_id);
if ($result_validate['count(id)'] != 1) {
$front->redirect($base.'mycourses.php');
}
$assignment_result = $db->query("SELECT id, exam_questions, topic FROM assignments WHERE course_id = '$course_id' AND assign_no = '$assign_no' AND assignment_type = '2' AND id IN (SELECT assign_id FROM course_assign_user_auth WHERE user_id = '$user_id' AND course_id = '$course_id' AND auth_status = '2' AND (status = '6' OR status = '7')) ");
$assignment_row = $assignment_result->fetch_array();
if (!$assignment_row) {
echo 'Error.';
exit;
}
$assign_id = $assignment_row['id'];
$exam_questions = $assignment_row['exam_questions'];
$topic = $assignment_row['topic'];
$send = '';
echo $send;