note 94403 added to function.array-intersect-key
| From: | phpatkeithtylerdotcom at osu1 dot php dot net | Date: | Tue, 03 Nov 2009 01:03:39 +0000 |
| Subject: | note 94403 added to function.array-intersect-key | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-162348@lists.php.net to get a copy of this message | ||
A Q&D way to grab a specific entry from an assoc array returned from a function as a one liner:
Normally when a function returns an array, and you only want part of that array, you have to do:
<?php
$a=func();
$z=$a["desired"];
... // use $z
?>
However, using an immediate array as the second argument to array_intersect_key allows you to skip
this explicit assignment step:
<?php
$z=array_intersect_key(func(),Array("desired"=>""));
... // use $z
?>
This may be appreciated by those who have been spoiled by the ability of e.g. Python to do:
<?python
z = func()["desired"]
?>
----
Server IP: 64.71.164.2
Probable Submitter: 174.46.204.210
----
Manual Page -- http://www.php.net/manual/en/function.array-intersect-key.php
Edit -- https://master.php.net/note/edit/94403
Del: integrated -- https://master.php.net/note/delete/94403/integrated
Del: useless -- https://master.php.net/note/delete/94403/useless
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Del: non-english -- https://master.php.net/note/delete/94403/non-english
Del: in docs -- https://master.php.net/note/delete/94403/in+docs
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Reject -- https://master.php.net/note/reject/94403
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