| Using PHP Tags in eval() [message #175716] |
Sat, 22 October 2011 16:15  |
Luke23ae
Messages: 2
Registered: October 2011
Karma: 0
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Junior Member |
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Hi there,
I have a textarea where you can write PHP & HTML (or technically
anything else). You can preview your Code in the browser by submitting
the form and what I wanna do is eval() the code (and thereby display)
it. Now eval doesn't seem to accept PHP-Tags (<?PHP ?>) in it the
given string. I've read many posts that suggest calling eval like
eval(' ?>'.$_POST['markup']);
But that my have worked once but it doesn't work anymore. I get a
Syntax error for the lines where there's a PHP-Tag.
Is there a way to still eval Strings that contain PHP-Tags?
Thank you,
Lukas
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| Re: Using PHP Tags in eval() [message #175717 is a reply to message #175716] |
Sat, 22 October 2011 16:34  |
Tim Streater
Messages: 328
Registered: September 2010
Karma: 0
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Senior Member |
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In article
<38899de6-5a2d-4eaa-b366-5d01b45f70e7(at)f36g2000vbm(dot)googlegroups(dot)com>,
Luke23ae <lukas(dot)bombach(at)googlemail(dot)com> wrote:
> Hi there,
>
> I have a textarea where you can write PHP & HTML (or technically
> anything else). You can preview your Code in the browser by submitting
> the form and what I wanna do is eval() the code (and thereby display)
> it. Now eval doesn't seem to accept PHP-Tags (<?PHP ?>) in it the
> given string. I've read many posts that suggest calling eval like
>
> eval(' ?>'.$_POST['markup']);
>
> But that my have worked once but it doesn't work anymore. I get a
> Syntax error for the lines where there's a PHP-Tag.
>
> Is there a way to still eval Strings that contain PHP-Tags?
Where are you doing the eval?
--
Tim
"That excessive bail ought not to be required, nor excessive fines imposed,
nor cruel and unusual punishments inflicted" -- Bill of Rights 1689
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| Re: Using PHP Tags in eval() [message #175784 is a reply to message #175716] |
Mon, 24 October 2011 07:51 |
alvaro.NOSPAMTHANX
Messages: 277
Registered: September 2010
Karma: 0
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Senior Member |
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El 22/10/2011 18:15, Luke23ae escribió/wrote:
> I have a textarea where you can write PHP& HTML (or technically
> anything else). You can preview your Code in the browser by submitting
> the form and what I wanna do is eval() the code (and thereby display)
> it. Now eval doesn't seem to accept PHP-Tags (<?PHP ?>) in it the
> given string. I've read many posts that suggest calling eval like
>
> eval(' ?>'.$_POST['markup']);
>
> But that my have worked once but it doesn't work anymore. I get a
> Syntax error for the lines where there's a PHP-Tag.
>
> Is there a way to still eval Strings that contain PHP-Tags?
Works for me:
<?php
$_POST['markup'] = 'Lorem ipsum dolor sit amet' . PHP_EOL;
// First time
eval(' ?>'.$_POST['markup']);
// Second time
eval(' ?>'.$_POST['markup']);
.... prints this:
Lorem ipsum dolor sit amet
Lorem ipsum dolor sit amet
--
-- http://alvaro.es - Álvaro G. Vicario - Burgos, Spain
-- Mi sitio sobre programación web: http://borrame.com
-- Mi web de humor satinado: http://www.demogracia.com
--
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| Re: Using PHP Tags in eval() [message #175785 is a reply to message #175716] |
Mon, 24 October 2011 08:30 |
Willem Bogaerts
Messages: 8
Registered: September 2010
Karma: 0
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Junior Member |
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> I have a textarea where you can write PHP & HTML (or technically
> anything else). You can preview your Code in the browser by submitting
> the form and what I wanna do is eval() the code (and thereby display)
> it. Now eval doesn't seem to accept PHP-Tags (<?PHP ?>) in it the
> given string. I've read many posts that suggest calling eval like
>
> eval(' ?>'.$_POST['markup']);
You are aware that you are giving an awful lot of control over your
server away to the first hacker that comes around? I would never do that
on a live server and not even in a private network.
Best regards,
--
Willem Bogaerts
Application smith
Kratz B.V.
http://www.kratz.nl/
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