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Home » Tag: Functional Programming

Tag: Functional Programming

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Daily link icon Monday, February 27, 2006

  1. The Implementation of Functional Programming Languages. "My 1987 book is now out of print, but it is now available online in its entirety." (Via reddit).

       (0) Tags: [Books, Functional Programming, To Read]

Daily link icon Tuesday, February 21, 2006

PHP's 'create_function' function

PHP's create_function function is so cumbersome to use that I'm creating shortcuts for the most common cases. Very often all you want to do is a map and return a particular field out of an associative array. So:

<?php
function mapfield($key, $func=null){
    return create_function('$a',"return $func(\$a['$key']);");
}
?>

Used as in:

<?php
function tags_join($tags){
    #given an array of tags give the canonical space separated listing
    return join(' ',array_unique(array_map(mapfield('Name'), $tags)));
}
?>
Chain link icon Permalink | 5 Comments | Tags: Functional Programming, PHP | id 7954
07:46 (utc-6)
edited: 07:52 (utc-6)
 
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