- print_r: documentation ( source)
- array_values: documentation ( source)
- array_walk_recursive: documentation ( source)
- array_walk: documentation ( source)
<?php
$array = [1,2,3,[5,6,7]];
$nu_array = null;
$callback = function ( $item ) use(&$callback, &$nu_array) {
if (!is_array($item)) {
$nu_array[] = $item;
}
else
if ( is_array( $item ) ) {
foreach( array_values($item) as $v) {
if ( !(is_array($v))) {
$nu_array[] = $v;
}
else
{
$callback( $v );
continue;
}
}
}
};
array_walk($array, $callback);
print_r($nu_array);
$nu_array = [];
array_walk_recursive($array, function ( $item ) use(&$nu_array )
{
$nu_array[] = $item;
}
);
print_r($nu_array);