<?php
$array = array(
array(
'category_id' => 1,
'children' => array(
'category_id' => 2,
'children' => array(
'category_id' => 3,
)
)
),
array(
'category_id' => 4,
'children' => array(
'category_id' => 5,
'children' => array(
'category_id' => 6,
)
)
)
);
$iterator = new RecursiveIteratorIterator(
new RecursiveArrayIterator($array)
);
for($iterator; $iterator->valid(); $iterator->next())
{
printf(
"Key: %s Value: %s Depth: %s\n",
$iterator->key(),
$iterator->current(),
$iterator->getDepth()
);
}
- Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
- Warning: Array to string conversion in /in/u5ZPM on line 29
Key: 0 Value: Array Depth: 0
Key: category_id Value: 1 Depth: 1
Key: category_id Value: 2 Depth: 2
Key: category_id Value: 3 Depth: 3
Key: category_id Value: 4 Depth: 1
Key: category_id Value: 5 Depth: 2
Key: category_id Value: 6 Depth: 3
- Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
- Warning: Array to string conversion in /in/u5ZPM on line 33
Key: 0 Value: Array Depth: 0
Key: category_id Value: 1 Depth: 1
Key: category_id Value: 2 Depth: 2
Key: category_id Value: 3 Depth: 3
Key: category_id Value: 4 Depth: 1
Key: category_id Value: 5 Depth: 2
Key: category_id Value: 6 Depth: 3
- Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
- Notice: Array to string conversion in /in/u5ZPM on line 33
Key: 0 Value: Array Depth: 0
Key: category_id Value: 1 Depth: 1
Key: category_id Value: 2 Depth: 2
Key: category_id Value: 3 Depth: 3
Key: category_id Value: 4 Depth: 1
Key: category_id Value: 5 Depth: 2
Key: category_id Value: 6 Depth: 3
- Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 7.3.32 - 7.3.33
- Key: 0 Value: Array Depth: 0
Key: category_id Value: 1 Depth: 1
Key: category_id Value: 2 Depth: 2
Key: category_id Value: 3 Depth: 3
Key: category_id Value: 4 Depth: 1
Key: category_id Value: 5 Depth: 2
Key: category_id Value: 6 Depth: 3
- Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
- Notice: Array to string conversion in /in/u5ZPM on line 34
Key: 0 Value: Array Depth: 0
Key: category_id Value: 1 Depth: 1
Key: category_id Value: 2 Depth: 2
Key: category_id Value: 3 Depth: 3
Key: category_id Value: 4 Depth: 1
Key: category_id Value: 5 Depth: 2
Key: category_id Value: 6 Depth: 3
- Output for 5.0.0 - 5.0.5
- Fatal error: Class 'RecursiveArrayIterator' not found in /in/u5ZPM on line 25
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: recursiveiteratoriterator in /in/u5ZPM on line 24
Process exited with code 255. - Output for 4.3.0 - 4.3.1
- Fatal error: Cannot instantiate non-existent class: recursiveiteratoriterator in /in/u5ZPM on line 24
preferences:
260.81 ms | 401 KiB | 460 Q