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[nycphp-talk] Variable composition: ${'foo'.$i}

Ron Guerin ron at vnetworx.net
Wed Jan 29 12:07:20 EST 2014


On 01/27/2014 09:44 PM, justin wrote:
> 
> On Monday, January 27, 2014, Ron Guerin <ron at vnetworx.net
> <mailto:ron at vnetworx.net>> wrote:
> 
>     On 01/27/2014 06:46 PM, Jeff Slutz wrote:
>     > I've known it by the term variable variables.
>     >
>     > http://www.php.net/manual/en/language.variables.variable.php
> 
>     I /knew/ I was asking a stupid question...  I know $$foo is a "variable
>     variable", but for some reason I didn't connect it with ${'foo'.$i} .
> 
> The best thing ever written on the subject of variable variables:
> 
> http://www.reddit.com/r/programming/comments/dst56/today_i_learned_about_php_variable_variables/c12np38

Wow.  That's some scary stuff there.

- Ron

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