Re: re: removing an item from an array

2012/8/18 Rasmus Lerdorf <rasmus@lerdorf.com>: > On 08/17/2012 05:21 PM, Rasmus Schultz wrote: >>> >>> if(($key = array_search($del_val, $messages)) !== false) { >>> unset($messages[$key]); >>> } >>> >>> Nothing horrible here. >>> >> >> I disagree - this is (or should be) a simple, atomic operation... >> yet, you've got a function-call, an intermediary variable, a boolean test, >> and an unset statement repeating the name of the array you're deleting from. >> >> This should be a simple statement or function/method-call, and in most >> other languages it would be... > > Really? I can't think of a single language that has a call to remove an > element by value in a key-value hash. Do you have some examples? What do > you do with duplicates? > Ruby can do (using irb) ruby-1.9.2-p180 :007 > h = {"apple"=>150, "banana"=>300, "lemon"=>300} => {"apple"=>150, "banana"=>300, "lemon"=>300} ruby-1.9.2-p180 :008 > h.delete_if { |k,v| v==300 } => {"apple"=>150} May be we should have something like array_delete_if($array, function($v, $k=null) { if ($v == 300) return true; }) -- Yasuo Ohgaki yohgaki@ohgaki.net