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

PHP Polyglot Demo

Today's date is: 2026-02-04

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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