Re: php arrays

[rspier@speed.seas.upenn.edu (Robert Spier)]

>>>>> "KF" == Kevin Falcone <kevinfal@seas.upenn.edu> writes:
  KF> For those of us still curious about php arrays, I did the
  KF> following experiment.

This reminded me to try my experiment:

code:

<?
    $fruits = array();
    $fruits[0] = 'red';
    $fruits[1] = 'yellow';
    $fruits['0'] = 'green';

    echo "\$fruits is " . sizeof($fruits) . " elements long<br />";

    for ($i = 0; $i < sizeof($fruits); $i++) {
        echo "element $i of \$fruits is $fruits[$i] <br />";
    }

    while ($x = each($fruits)) {
        echo "element $x[0] of \$fruits is $x[1] <br />";
    }
?>

results:

$fruits is 2 elements long
element 0 of $fruits is green 
element 1 of $fruits is yellow 
element 0 of $fruits is green 
element 1 of $fruits is yellow 

Which seems to imply (along with Kevin's results): 
    1) php's arrays are purely associative
    2) all keys to arrays are stringified 
    
-R

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