- var_dump: documentation ( source)
- array_walk: documentation ( source)
<?php
$array = array(
'val1', 'val2', 'val3', 'val4', 'val5',
);
print_out( $array );
array_walk( $array, function( &$value, &$key ){
$tmp = &$value;
$value = array(
'rule' => 'ctype_alnum',
);
$key = $tmp;
});
function print_out( $val )
{
echo '<pre>';
var_dump( $val );
echo '</pre>';
}
print_out( $array );