note 110912 added to function.class-uses
| From: | benkuhl at gmail dot com | Date: | Fri, 21 Dec 2012 23:55:54 +0000 |
| Subject: | note 110912 added to function.class-uses | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-192636@lists.php.net to get a copy of this message | ||
If your objective is to determine if a trait is being used by another class, you cannot use
instanceOf...
<?php
class Abc {
use Xyz;
}
class Xyz {
}
$abc = new Abc();
var_dump($abc instanceOf Xyz); // false
?>
You must use this function with either an in_array or array_key_exists...
<?php
var_dump(array_key_exists('Xyz', class_uses($abc))); //true
?>
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Server IP: 69.147.83.199
Probable Submitter: 74.143.144.100
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Manual Page -- http://php.net/manual/en/function.class-uses.php
Edit -- https://master.php.net/note/edit/110912
Del: integrated -- https://master.php.net/note/delete/110912/integrated
Del: useless -- https://master.php.net/note/delete/110912/useless
Del: bad code -- https://master.php.net/note/delete/110912/bad+code
Del: spam -- https://master.php.net/note/delete/110912/spam
Del: non-english -- https://master.php.net/note/delete/110912/non-english
Del: in docs -- https://master.php.net/note/delete/110912/in+docs
Del: other reasons-- https://master.php.net/note/delete/110912
Reject -- https://master.php.net/note/reject/110912
Search -- https://master.php.net/manage/user-notes.php