note 26514 deleted from function.array-diff by googleguy
| From: | googleguy@php.net | Date: | Tue, 22 Oct 2013 14:53:24 +0000 |
| Subject: | note 26514 deleted from function.array-diff by googleguy | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-197199@lists.php.net to get a copy of this message | ||
Note Submitter: jg at sto dot com dot au
----
I have found an interesting use for array_diff. I remember seing somebody having trouble deleting
from an array because it left "holes".
I thought about using array_diff to fix the problem. Try running this code and see what it does:
<?php
for($i=0;$i<4;$i++)
{
print("Deleting item $i from the array<BR>");
$my_array = array("value1","value2","value3","value4");
$my_array = array_diff($my_array,array_slice($my_array,$i,1));
foreach($my_array as $value)print(" -->$value<BR>\n");
}
?>
It seems to work for every member of the array. I'm not sure how efficient it would be on
really large arrays, though.
JG Estiot