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$test01 = array('a' => 'aaaa', 'b' => 'bbbb', 'c' => 'cccc');
while (list($key, $value) = each($test01)) {
echo "$key => $value" . "<br/>";
}
array_walk($test01, walk_test);
function walk_test($key, $value) {
echo "walk: $key => $value" . "<br/>";
}
$test02 = array(1, 2, 3, 4, 5);
echo array_reduce($test02, reduce_test);
function reduce_test($run_result, $current_value) {
return $run_result + $current_value * $current_value;
}
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