3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array(-3,5,1,3,2,10); function array_rev($array) { $half_count = count($array) / 2; for ($i = 0; $i <= $half_count; $i++) { $holder = $array[$i]; $array[i] = $array[(count($array) - (i + 1))]; $array[count($array) - (i + 1)] = $holder; } echo $array; } array_rev($x);
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/c3bNW:8 Stack trace: #0 /in/c3bNW(14): array_rev(Array) #1 {main} thrown in /in/c3bNW on line 8
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Notice: Undefined offset: 7 in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Notice: Undefined offset: 8 in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Notice: Undefined offset: 9 in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Notice: Array to string conversion in /in/c3bNW on line 11 Array
Output for 7.3.32 - 7.3.33
Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Warning: Use of undefined constant i - assumed 'i' (this will throw an Error in a future version of PHP) in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Array
Output for 7.1.0 - 7.1.33
Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Notice: Undefined offset: 7 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Notice: Undefined offset: 8 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Warning: A non-numeric value encountered in /in/c3bNW on line 8 Notice: Undefined offset: 9 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Warning: A non-numeric value encountered in /in/c3bNW on line 9 Notice: Array to string conversion in /in/c3bNW on line 11 Array
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Undefined offset: 7 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Undefined offset: 8 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Undefined offset: 9 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Notice: Array to string conversion in /in/c3bNW on line 11 Array
Output for 5.3.0 - 5.3.29
Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Undefined offset: 7 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Undefined offset: 8 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Undefined offset: 9 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Array
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/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Undefined offset: 7 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Undefined offset: 8 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 8 Notice: Undefined offset: 9 in /in/c3bNW on line 8 Notice: Use of undefined constant i - assumed 'i' in /in/c3bNW on line 9 Array
preferences:
313.3 ms | 405 KiB | 459 Q