note 119796 rejected from function.unset by cmb
| From: | cmb@php.net | Date: | Sun, 28 Aug 2016 14:23:55 +0000 |
| Subject: | note 119796 rejected from function.unset by cmb | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-206410@lists.php.net to get a copy of this message | ||
Note Submitter: goran77 at fastmail dot fm
----
$a = ['x', 'y'];
// we are looking for index of 'x',
// and we are getting 0 as result
$index = array_search('x', $a);
// this removes element with index 0 ('x'). So far so good.
unset ($a[$index]);
print_r ($a); // Array ( [1] => y )
// BUT, if we were looking for non-existent element,
// we'll get FALSE as result...
$a = ['x', 'y'];
$index = array_search('z', $a); //here $index is false, not zero
// ...but it will also remove 'x'
unset ($a[$index]);