note 48850 added to function.eval
| From: | agilo3 at gmail dot com | Date: | Sun, 09 Jan 2005 13:02:05 +0000 |
| Subject: | note 48850 added to function.eval | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-82980@lists.php.net to get a copy of this message | ||
If you have a lot of variables like $var0, $var1, $var2, $var3, etc. and you want to keep your
script small by creating a for-loop to add "$var" and "$i" together, you can use
something like the following code:
<?php
$var0 = "zero";
$var1 = "one";
$var2 = "two";
$var3 = "three";
$var4 = "four";
$var5 = "five";
for ($i = 0; $i <= 5; $i++) eval("\$vars[] = \"\$var".$i."\";");
// print_r($vars);
?>
As opposed to doing the following (and enlarging your script):
<?php
// Bad, bad, bad!
$vars[] = $var0;
$vars[] = $var1;
$vars[] = $var2;
$vars[] = $var3;
$vars[] = $var4;
$vars[] = $var5;
?>
Hope this helps.
- Agilo
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Manual Page -- http://www.php.net/manual/en/function.eval.php
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