3v4l.org

run code in 500+ PHP versions simultaneously
<?php $ait = new ArrayIterator(array('Value 1', 'Value 2', 'Value 3', 'Value 4')); $cit = new CachingIterator($ait); foreach ($cit as $value) { echo $value; //if has a next value, print a comma if ($cit->hasNext() && $cit->hasNext()) { echo ', '; } }
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Value 1, Value 2, Value 3, Value 4

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29.45 ms | 1137 KiB | 7 Q