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run code in 200+ PHP versions simultaneously
<?php $array_a = new ArrayIterator(array('a', 'b', 'c')); $array_b = new ArrayIterator(array('d', 'e', 'f')); $iterator = new AppendIterator; $iterator->append($array_a); $iterator2 = new AppendIterator; $iterator2->append($iterator); $iterator2->append($array_b); foreach ($iterator2 as $current) { echo $current; }
Output for 5.6.0 - 7.1.8, 7.1.10 - 7.4.1
abcdef
Output for 7.1.9
Recoverable fatal error: Object of class ArrayIterator could not be converted to string in /in/egvFW on line 14
Process exited with code 255.