NYCPHP Meetup

[Brian Dailey]

Just remember there are some "gotchas" when using foreach with 
references. If you do this, remember to unset the variable after the 
loop so you don't accidentally overwrite anything.

Cliff Hirsch wrote:
> On 7/23/07 8:47 AM, "Tim B" <timb.php at gmail.com> wrote:
> 
>> Here's the code:
>> # Escape for output into html
>> foreach ($event as $v1)
>> {
>>     foreach ($v1 as $v2)
>>     {
>>        $v2 = htmlentities($v2, ENT_QUOTES, 'UTF-8');
>>        echo "{$v2}<br>";
> 
> V1 and V2 need to be references. See online php manual
> 
> foreach ($event as &$v1)
>> {
>>     foreach ($v1 as &$v2)
> 
> 
> 
> 
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> 

-- 

Thanks!
- Brian Dailey
Software Developer
New York, NY
www.dailytechnology.net
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