- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- 0 b 1 2 d 3
<?php
$a = array('a', 'b', 'c', 'd');
for($i = 0; $i < count($a); $i += 2) {
echo $i . " ";
echo $a[$i + 1] . " ";
echo ($i + 1) . PHP_EOL;
}