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Bug #15378 3d array variables not usable in double quotes
Submitted: 2002-02-05 00:30 UTC Modified: 2002-02-05 14:27 UTC
From: php dot net at chiefworks dot com Assigned:
Status: Not a bug Package: Arrays related
PHP Version: 4.1.1 OS: Linux 2.4, Apache 1.3.22
Private report: No CVE-ID: None
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 [2002-02-05 00:30 UTC] php dot net at chiefworks dot com 
<?php

$var = array(
    'name' => array(
        'first' => 'Caleb',
        'last' => 'Maclennan'
      )
  );

echo "My first name is $var[name][first]!";

?>

Acutal Result:
My first name is Array[first]!

Correct Result:
My first name is Caleb!

This get's really nasty when useing 3 dimentional arrays to put data in SQL querys. The above example can easily be done by takeing the variable out of the quotes and useing "." to add it to the end, but there are other cases where the only solution is to do like this:

<?php
$tempVar = $var[name][first];
echo "My name is $tempVar";
?>

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 [2002-02-05 00:34 UTC] php dot net at chiefworks dot com 
I should add that the the first level of the array works fine, it is just the second (& following) levels that cannot be used.

<?php

// This works:
$var[name] = 'Caleb';
echo "I am $var[name]";

// This does not:
$var[name][first] = 'caleb';
echo "I am $var[name][first]";
 [2002-02-05 03:21 UTC] edink@php.net 
The correct syntax is:
echo "My first name is ".$var[name][first]."!";

You cannot have comples variables inside quotes.
 [2002-02-05 06:29 UTC] mfischer@php.net 
This is not true. The following is perfectly valid:

  echo "My first name is {$var['name']['first']}!";
 [2002-02-05 11:48 UTC] php dot net at chiefworks dot com 
edink@php.net -- I was aware of that syntax but there are some cases (sql querys, cookies & headers) where it is not possible to write it that way and the only solution WAS to assign it to a simpler variable.

mfischer@php.net -- Thanks. I guess that solves this problem. And this is documented where?
 [2002-02-05 14:27 UTC] torben@php.net 
> edink@php.net -- I was aware of that syntax but there are 
> some cases (sql querys, cookies & headers) where it is not 
> possible to write it that way and the only solution WAS to 
> assign it to a simpler variable.

Not true--that syntax is possible anywhere you use strings, except for heredocs. 

Torben
 
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