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PHP Web Page With Section of Code Conditional on Passed Variable

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Dec 10.2009

I have a PHP web page on which there is a section of code that I would like to make conditional on the passing of a certain variable to the page.

So in other words, if the page is pulled up like this:

[url]http://mysite.com/mypage.php?var=show[/url]

Then I would like the page to execute the block of code in question.

However, if the URL is typed like this:

[url]http://mysite.com/mypage.php[/url]

I would like for this block of code to NOT be executed. So it could be commented out or whatever works.

What would be the best way to accomplish this? Thanks in advance for any input anyone has!

J

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PHP

5 Comments(s) ↴

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@NogDogDec 10.2009 — [code=php]
if(!empty($_GET['var']) and $_GET['var'] == 'show')
{
// do something
}
else
{
// do something else
}
[/code]
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@jprazenauthorDec 10.2009 — Thanks, that's exactly what I needed!
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@jprazenauthorDec 10.2009 — Hmmm... Wait a minute. I didn't specify that the block of code I need to execute is HTML inside the body tags. This code won't work there will it?
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@NogDogDec 10.2009 — [code=php]
<?php
if(!empty($_GET['var']) and $_GET['var'] == 'show')
{
?>
<p>Foo.</p>
<?php
}
else
{
?>
<p>Bar.</p>
<?php
}
?>
[/code]
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@jprazenauthorDec 10.2009 — Thanks for the help!
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