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Doc Bug #17561 str_repeat with 0 multiplier
Submitted: 2002-06-02 03:06 UTC Modified: 2002-06-02 12:58 UTC
Votes:1
Avg. Score:2.0 ± 0.0
Reproduced:1 of 1 (100.0%)
Same Version:0 (0.0%)
Same OS:1 (100.0%)
From: lee at piclab dot com Assigned:
Status: Closed Package: Documentation problem
PHP Version: 4.2.1 OS:
Private report: No CVE-ID: None
View Developer Edit
 [2002-06-02 03:06 UTC] lee at piclab dot com 
str_repeat() has the arbitary restriction that the multiplier argument has to be greater than zero.  This is pointless and annoying.  It's obvious that the right thing to do is to return an empty string for a multiplier of zero, and this can be done with one line of code along the lines of

  if ( 0 == mult ) return "";

Why not remove this restriction?

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 [2002-06-02 05:14 UTC] derick@php.net 
There is no such restriction:

[derick@kossu derick]$ php
<?php
$a = 'test';
$b = 0;
echo "[".str_repeat ($a, $b)."]\n";
?>
[]

And the source as only this message:
"Second argument to %s() has to be greater than or equal to 0"

Derick
 [2002-06-02 11:52 UTC] lee at piclab dot com 
In that case, it's no longer a feature request--it's a document bug.  The document is very clear in stating that the argument must be greater than zero.
 [2002-06-02 12:58 UTC] derick@php.net 
This bug has been fixed in CVS. You can grab a snapshot of the
CVS version at http://snaps.php.net/. In case this was a documentation 
problem, the fix will show up soon at http://www.php.net/manual/.
In case this was a PHP.net website problem, the change will show
up on the PHP.net site and on the mirror sites.
Thank you for the report, and for helping us make PHP better.
 
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