php eval on code wrapped in php tags
Here is the code snippet which calls php eval on a code which is wrapped in <?php and ?> tags.
<?php $code = '<?php echo "hello world\n";?>'; echo "Doing eval...\n"; eval($code); echo "Done...\n"; ?>
The outcome from above code is:
Doing eval...
Env: PHP 7.3.18 (Linux)
php eval on code wrapped in php tags after prepending “?>”
Here is the code snippet which calls eval on a code which is wrapped in <?php and ?> tags after prepending it with “?>”
<?php
$code = '<?php echo "hello world\n";?>';
echo "Doing eval...\n";
eval('?>' . $code);
echo "Done...\n";
?>The outcome from above code is:
Doing eval... hello world Done...
Env: PHP 7.3.18 (Linux)
Note that by default eval expect code without tags. But there are situation we need to execute a code which may have php tags (e.g. code read from a php file). In that case this approach can be used.
