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<?php $array = array(1,2,3,4,5,6,7,8,9); function walk($a, $index = 9){ if (-1 == $index -1) { echo($a[$index]); } else { echo($a[$index]); walk($a, $index -1); } } walk($array);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Warning: Undefined array key 9 in /in/1JJ1q on line 8 987654321
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined offset: 9 in /in/1JJ1q on line 8 987654321
Output for 7.3.32 - 7.3.33
987654321
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined offset: 9 in /in/1JJ1q on line 8 987654321
preferences:
226.8 ms | 402 KiB | 353 Q