Follow up to my own message:
If you want to also skip even needing the empty 'array()' (new fianl
example) - check if it is an array, and only do the first extract of
the parameters if there's something there.
<?php
function foo($p='')
{
$foodefault = array(
'foo_fred'=> '<strong>default fred</strong>',
'foo_banana' => '<strong>default bananananana</strong>',
);
if (is_array($p))
extract ($p, EXTR_PREFIX_ALL, 'foo'); // get values
extract ($foodefault, EXTR_SKIP, "foo"); // get defaults
echo "$foo_fred / $foo_banana";
}
echo "Both in place: ";
foo(array('fred' => 'hello', 'banana' => 'world'));
echo "<br /> Now with a missing param: ";
foo(array('fred' => 'hello'));
echo "<br /> Now both missing params: ";
foo(array());
echo "<br /> and with no array: ";
foo();
?>
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