Re: Are there plans to allow anonymous functions as callbacks?

On Wed, Mar 4, 2009 at 2:33 PM, Richard Quadling <rquadling@googlemail.com> wrote: > Hi. > > Quite a simple question (assuming I've got the terminology correct). > > Are there any plans to allow code like this (amended example taken > from the array_map() documentation) ... > > <?php > $a = array(1, 2, 3, 4, 5); > $b = array_map(function($n){return($n * $n * $n)}, $a); > print_r($b); > > For me, this is cleaner than having a use-once, namespace-polluting function. > > Currently, this is producing a parse error. It works. You have a typo. You need to put ";" after return (…) > > > A real alternative though would be to allow nested functions... > > <?php > function cube_array($a) { >  function cube($n) { >    return($n * $n * $n); >  } >  return array_map("cube", $a); > } > $a = array(1, 2, 3, 4, 5); > $b = cube_array($a); > print_r($b); > > Ideally, cube() would not be visible outside of cube_array(). Scoped functions. > > Regards, > > Richard Quadling. > -- > ----- > Richard Quadling > Zend Certified Engineer : > http://zend.com/zce.php?c=ZEND002498&r=213474731 > "Standing on the shoulders of some very clever giants!" > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > > -- Alexey Zakhlestin http://www.milkfarmsoft.com/