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Bug #15533 Indexing a string variable with a text key returns 1st element of string
Submitted: 2002-02-13 03:08 UTC Modified: 2002-02-13 05:44 UTC
From: fred at observe dot co dot za Assigned:
Status: Not a bug Package: Variables related
PHP Version: 4.0.6 OS: Linux
Private report: No CVE-ID: None
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 [2002-02-13 03:08 UTC] fred at observe dot co dot za
<?  
    $arg = '123';
    // prints 123
    echo "arg = $arg<br>\n";
    // prints nothing
    echo "is_array(arg) = ", is_array($arg), "<br>\n";
    // prints 1
    echo "arg[blah] = $arg[blah]<br>\n";
?>

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 [2002-02-13 05:44 UTC] hholzgra@php.net
$string[...] and $string{...} both allow single
character access to strings. the {} variant is 
recommended for PHP 4, but the older version
using [] still works

the indices inside [...] or {...} are interpreted
as integers, strings are casted to integers,
and (int)'blah'  is zero, that's it
 
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