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<?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)); $i = 0; function traverseRecursiveArray($iterator) { while ($iterator->valid()) { if ($iterator->hasChildren()) { traverseRecursiveArray($iterator->getChildren()); } else { echo $iterator->key() . ' => ' . $iterator->current() . PHP_EOL; } $iterator->current .= $i++; $iterator->next(); } }
Output for git.master, git.master_jit, rfc.property-hooks
0 => 0 Warning: Undefined variable $i in /in/VonTf on line 37 Deprecated: Creation of dynamic property RecursiveArrayIterator::$current is deprecated in /in/VonTf on line 37 Warning: Undefined property: RecursiveArrayIterator::$current in /in/VonTf on line 37 0 => 0 Warning: Undefined variable $i in /in/VonTf on line 37 Deprecated: Creation of dynamic property RecursiveArrayIterator::$current is deprecated in /in/VonTf on line 37 Warning: Undefined property: RecursiveArrayIterator::$current in /in/VonTf on line 37 1 => 1 0 => 0 Warning: Undefined variable $i in /in/VonTf on line 37 Deprecated: Creation of dynamic property RecursiveArrayIterator::$current is deprecated in /in/VonTf on line 37 Warning: Undefined property: RecursiveArrayIterator::$current in /in/VonTf on line 37 1 => 1 2 => 2 0 => 0 Warning: Undefined variable $i in /in/VonTf on line 37 Deprecated: Creation of dynamic property RecursiveArrayIterator::$current is deprecated in /in/VonTf on line 37 Warning: Undefined property: RecursiveArrayIterator::$current in /in/VonTf on line 37 1 => 1 2 => 2 3 => 3 0 => the end Warning: Undefined variable $i in /in/VonTf on line 37 Deprecated: Creation of dynamic property RecursiveArrayIterator::$current is deprecated in /in/VonTf on line 37 Warning: Undefined property: RecursiveArrayIterator::$current in /in/VonTf on line 37

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