[PHP-DEV] Bug #12120: Several following < characters ignored by striptags()

[michel]

From:             [EMAIL PROTECTED]
Operating system: Linux Mandrake
PHP version:      4.0.4pl1
PHP Bug Type:     Strings related
Bug description:  Several following < characters ignored by striptags()

$foo = strip_tags("< < <b>hello</b>", "<b>");
echo $foo; // prints "<  b>hello" with a hidden "</b>"

strip_tags(), in this case, returns the string it was 
supplied, but omits the second and third '<' character. In 
a regular browser, it would display the 3 '<' characters, 
seperated by spaces: "< < <" (equivalent to "&lt; &lt; 
&lt;") followed by a bold hello. Yet since PHP probably 
raises a flag after the first "<", all subsequent "<" 
characters are ignored until the next ">".

To resume:
Source witSource without strip_tags: "< < <b>hello</b>"
Source with strip_tags: "<  b>hello</b>"
hout strip_tags: "< < <b>hello</b>"
Source with strip_tags: "<  b>hello</b>"

I would also like to point out:

$foo = strip_tags("< < < >hello</b>", "<b>");
echo $foo;

Source without strip_tags: "< < < >hello</b>"
Source with strip_tags: "hello</b>"

-- 
Edit bug report at: http://bugs.php.net/?id=12120&edit=1


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