Re: array key's: which is correct?

From:	Robert Cummings	Date:	Tue, 08 Jun 2010 13:38:58 +0000
Subject:	Re: array key's: which is correct?
References:	1	Groups:	php.general
Request:	Send a blank email to php-general+get-305952@lists.php.net to get a copy of this message

Tanel Tammik wrote:

Hi, which one is correct or "better"? $array[3] = ''; or $array['3'] = ''; $i = 7; $array[$i] = ''; or $array["$i"] = '';

Sometimes it is good to illustrate the correct answer: <?php $array = array (

    '1'     => '1',
    '2'     => '2',
    'three' => 'three',
    '4.0'   => '4.0',
    5.0     => 5.0,

); var_dump( array_keys( $array ) ); ?> The answer is surprising (well, not really :) and certainly advocates against making literal strings of integers or manually converting a string integer to a real integer or using floating point keys. Cheers, Rob. -- E-Mail Disclaimer: Information contained in this message and any attached documents is considered confidential and legally protected. This message is intended solely for the addressee(s). Disclosure, copying, and distribution are prohibited unless authorized.