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PHP 5.3 closure-based implementation of curry(); old implementation used as fallback for older PHP versions. Added unit tests to confirm they both work!

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Brion Vibber
2009-12-15 13:53:19 -08:00
parent 00fb5feff8
commit 0158f4f73d
3 changed files with 125 additions and 13 deletions
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30
lib/util.php
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@@ -523,19 +523,23 @@ function callback_helper($matches, $callback, $notice_id) {
return substr($matches[0],0,$left) . $result . substr($matches[0],$right);
}
function curry($fn) {
//TODO switch to a PHP 5.3 function closure based approach if PHP 5.3 is used
$args = func_get_args();
array_shift($args);
$id = uniqid('_partial');
$GLOBALS[$id] = array($fn, $args);
return create_function('',
'$args = func_get_args(); '.
'return call_user_func_array('.
'$GLOBALS["'.$id.'"][0],'.
'array_merge('.
'$args,'.
'$GLOBALS["'.$id.'"][1]));');
if (version_compare(PHP_VERSION, '5.3.0', 'ge')) {
// lambda implementation in a separate file; PHP 5.2 won't parse it.
require_once INSTALLDIR . "/lib/curry.php";
} else {
function curry($fn) {
$args = func_get_args();
array_shift($args);
$id = uniqid('_partial');
$GLOBALS[$id] = array($fn, $args);
return create_function('',
'$args = func_get_args(); '.
'return call_user_func_array('.
'$GLOBALS["'.$id.'"][0],'.
'array_merge('.
'$args,'.
'$GLOBALS["'.$id.'"][1]));');
}
}
function common_linkify($url) {