From: Joshua Ballanco <jballanc@...>
Date: 2009-12-23T14:36:17+09:00
Subject: Re: newbie: if is not null else...

On Dec 22, 2009, at 5:53 AM, Stefano Crocco wrote:

> On Tuesday 22 December 2009, Alfonso Caponi wrote:
>> |Hi forum,
>> |
>> |how can I replace this PHP syntax with Ruby?
>> |
>> |$x = (isset($x) and !empty($x)) ? $x : '-';
>> |
>> |I would like assign a default value if $x is Null.
>> |
>> |Thank you very much,
>> |Al
> 
> I don't know PHP, so I'm not sure whether this does exactly what you want:
> 
> $x ||= '-'
> 
> This is a short form for 
> 
> $x = $x || '-'

Correction, it is short form for:

$x || $x = '-'

...trust me, we've been over this at least 3 times, at great length, on the mailing list. ;-)

Cheers,

Josh