test_array_walk
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<?php
$fruits = array("d" =>
"lemon", "a" =>
"orange", "b" =>
"banana", "c" =>
"apple");
function test_alter(&$item1, $key, $prefix)
{
$item1 = "$prefix: $item1";
}
function test_print($item2, $key)
{
echo "$key. $item2<
br />
\n";
}
echo "Before ...:\n";
array_walk($fruits, 'test_print');
array_walk($fruits, 'test_alter', 'fruit');
echo "... and after:\n";
array_walk($fruits, 'test_print');
?>
Php
INFO