#42864 [Opn->Bgs]: strip_tags() doesn't work as expected with PHP tags

ID: 42864 Updated by: vrana@php.net Reported By: kraghuba at in dot ibm dot com -Status: Open +Status: Bogus Bug Type: Documentation problem Operating System: windows XP,linux PHP Version: 5.2.4 New Comment: strip_tags() works exactly as documented: "This function tries to return a string with all HTML and PHP tags stripped". Previous Comments: ------------------------------------------------------------------------ [2007-10-08 11:01:45] rquadling@php.net What is missing though is a way to preserve the PHP "tag". Just as HTML comments are always removed, PHP code will be also. Both the HTML comments and PHP "tags" fail to match the usual formats of HTML tags ... <tag></tag> or <tag /> So <!-- xxxx --> <?php xxxx ?> are not capable of being described for allowable_tags. ------------------------------------------------------------------------ [2007-10-06 00:00:42] jani@php.net According to the sources this is expected behaviour. And it's pretty simple, <?php $foo=1; ?> is just another tag. So it's stripped as would something like <img src="foo.gif" /> be sripped.. ------------------------------------------------------------------------ [2007-10-05 10:39:53] kraghuba at in dot ibm dot com This behavior is found on php6 as well. ------------------------------------------------------------------------ [2007-10-05 10:37:18] kraghuba at in dot ibm dot com Description: ------------ when a string with PHP tag(<?php ?>) is given as input to strip_tags() function, it strips off the entire given string including the tags. Whereas, the function should only strip the tags and not the text within the PHP block. As per the documentation, this seems to be non-documented behavior, is this expected? Reproduce code: --------------- <?php var_dump(strip_tags("<?php echo \"hello\" ?>")); ?> Expected result: ---------------- string(12) "echo "hello"" Actual result: -------------- string(0) "" ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=42864&edit=1