<?php
$myArray = array(
0,
array(
0,
1,
array(
0,
1,
2,
array(
0,
1,
2,
3,
array("the end")
)
)
)
);
$recursive_array_iterator = new RecursiveArrayIterator($myArray);
iterator_apply($recursive_array_iterator, 'traverseRecursiveArray', array($recursive_array_iterator));
function traverseRecursiveArray($iterator)
{
$i = 0;
while ($iterator->valid()) {
if ($iterator->hasChildren()) {
traverseRecursiveArray($iterator->getChildren());
} else {
$iterator->offsetSet($iterator->key(), $i++);
echo $iterator->key() . ' => ' . $iterator->current() . PHP_EOL;
}
echo "!!$i!!" . PHP_EOL;
// $iterator->current = "d";
$iterator->next();
}
}
- Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- 0 => 0
!!1!!
0 => 0
!!1!!
1 => 1
!!2!!
0 => 0
!!1!!
1 => 1
!!2!!
2 => 2
!!3!!
0 => 0
!!1!!
1 => 1
!!2!!
2 => 2
!!3!!
3 => 3
!!4!!
0 => 0
!!1!!
!!4!!
!!3!!
!!2!!
!!1!!
- Output for 5.1.0 - 5.1.6
- Fatal error: Call to undefined function iterator_apply() in /in/8lG7c on line 24
Process exited with code 255. - Output for 5.0.0 - 5.0.5
- Fatal error: Class 'RecursiveArrayIterator' not found in /in/8lG7c on line 23
Process exited with code 255. - Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
- Fatal error: Cannot instantiate non-existent class: recursivearrayiterator in /in/8lG7c on line 23
Process exited with code 255. - Output for 4.3.0 - 4.3.1
- Fatal error: Cannot instantiate non-existent class: recursivearrayiterator in /in/8lG7c on line 23
preferences:
274.58 ms | 401 KiB | 313 Q