note 109864 added to function.array-reverse
| From: | atulmvAThotmailDOTcoDOTuk | Date: | Wed, 29 Aug 2012 11:48:17 +0000 |
| Subject: | note 109864 added to function.array-reverse | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-190256@lists.php.net to get a copy of this message | ||
Here are a couple of routines to swap the order of two elements in an array
<?php
function array_swap_forward($arr,$elem)
{
$ndx = array_search($elem,$arr) - 1;
$b4 = array_slice($arr,0,$ndx);
$mid = array_reverse(array_slice($arr,$ndx,2));
$after = array_slice($arr,$ndx + 2);
return array_merge($b4,$mid,$after);
}
function array_swap_back($arr,$elem)
{
$ndx = array_search($elem,$arr);
$b4 = array_slice($arr,0,$ndx);
$mid = array_reverse(array_slice($arr,$ndx,2));
$after = array_slice($arr,$ndx + 2);
return array_merge($b4,$mid,$after);
}
$arr =array('a','b','c','d','e','f');
print_r(array_swap_forward($arr,'c'));
echo '<br>';
print_r(array_swap_back($arr,'c'));
?>
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Server IP: 69.147.83.197
Probable Submitter: 188.115.59.124
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Manual Page -- http://www.php.net/manual/en/function.array-reverse.php
Edit -- https://master.php.net/note/edit/109864
Del: integrated -- https://master.php.net/note/delete/109864/integrated
Del: useless -- https://master.php.net/note/delete/109864/useless
Del: bad code -- https://master.php.net/note/delete/109864/bad+code
Del: spam -- https://master.php.net/note/delete/109864/spam
Del: non-english -- https://master.php.net/note/delete/109864/non-english
Del: in docs -- https://master.php.net/note/delete/109864/in+docs
Del: other reasons-- https://master.php.net/note/delete/109864
Reject -- https://master.php.net/note/reject/109864
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