note 76222 deleted from function.array-key-exists by crell
| From: | crell@php.net | Date: | Wed, 29 Jun 2022 20:43:08 +0000 |
| Subject: | note 76222 deleted from function.array-key-exists by crell | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-218763@lists.php.net to get a copy of this message | ||
Note Submitter: david at madole dot net
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Regarding performance differences between isset() and array_key_exists(), the differences may be
there, but the function are not always interchangable.
Note that when $a[1] = null then isset($a[1]) == false but array_key_exists(1, $a) == true