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PHP while operator - how to use it? [2/2]

Also while can be used for listing arrays:

<?php
$array=array("One", "Two", 3, "Apple");
while(list($key,$value)=each($array)) {
    echo "$key : $value\n";
}
?>
The result from above PHP script will be:

0 : One
1 : Two
2 : 3
3 : Apple
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