|
|
Posted by Michael Winter on 06/21/33 11:31
On 06/11/2005 17:54, X l e c t r i c wrote:
> sagejoshua wrote:
[snip]
>> <?php
>> $var1 = "foo";
>> ${$var1.bar} = "great!";
>> print $foobar;
>> // Outputs "great!"
>> ?>
[snip]
> Are you sure that outputs "great!" ?
[snip]
To elaborate on what Leif wrote, the variable variable constructed above
is made possible through string concatenation, similar to
var variable = 'foo';
this[variable + 'bar'] = 'Great!'; /* foobar = 'Great!'; */
in ECMAScript. However, rather than using a string literal, the OP has
written in bar what would normally considered a constant. Indeed, if
STRICT notices are enabled in PHP, this will be reported in the error log.
It would be better written as:
<?php
$variable = 'foo';
${$variable . 'bar'} = 'Great!';
print $foobar; /* Great! */
?>
Mike
--
Michael Winter
Prefix subject with [News] before replying by e-mail.
Navigation:
[Reply to this message]
|