NYCPHP Meetup

[jhy2104 at columbia.edu]

Hello:

I have accepted a position outside of Columbia University, and no
longer with CUMC Web Services. For further assistance:

New projects and follow up:
Michael Sellers <ms4274 at mail.cumc.columbia.edu>

Technical Questions
Perry Smith <ps2200 at columbia.edu>

Content Updates
Setti Razavi <sr150 at columbia.edu>

Thanks,
Dave
New Contact Email: dyoun at me.com



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Subject: talk Digest, Vol 61, Issue 10
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Today's Topics:

   1. How does one suggest improved variable scoping for PHP?
      (Jim Williams)
   2. Re: How does one suggest improved variable scoping for PHP?
      (Dan Cech)
   3. Re: How does one suggest improved variable scoping for	PHP?
      (Jeremy Mikola)


----------------------------------------------------------------------

Message: 1
Date: Wed, 16 Nov 2011 11:12:58 -0500
From: Jim Williams <jim at pagenotes.com>
To: talk at lists.nyphp.org
Subject: [nycphp-talk] How does one suggest improved variable scoping
	for PHP?
Message-ID: <4EC3E10A.9030905 at pagenotes.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

I just ran across a simple problem I couldn't solve, namely to create a 
function that does the opposite of array_filter, call it 
array_sanitize.  The closest I could come doesn't work for anonymous 
functions:

<?php
   function array_sanitize($array, $filterName) {
     $negFilter = create_function('$arg', 'return !'.$filterName.'($arg);');
     return array_filter($array, $negFilter);
   }
   //Example:
   $a = array('a'=>6,'b'=>1,'c'=>4,'d'=>9);
   function isOdd($arg) { return $arg % 2 == 1; }
   print_r (array_sanitize($a, 'isOdd')); // outputs 'Array ( [a] => 6 


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