3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8); for ($c = count($arr), $i = 1; $i < $c; $i++) $arr[0] ^= $arr[i]; echo $arr[0];
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "i" in /in/mVEi3:3 Stack trace: #0 {main} thrown in /in/mVEi3 on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 1
Output for 7.3.32 - 7.3.33, 7.4.26
Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/mVEi3 on line 3 1
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 1
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: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 Notice: Use of undefined constant i - assumed 'i' in /in/mVEi3 on line 3 Notice: Undefined index: i in /in/mVEi3 on line 3 1
preferences:
338.65 ms | 406 KiB | 460 Q