3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = array(1,2,3,4,5); $output = array(); //Put your code here for ($i = 0; $i < count($input) + 1; $i++) { echo $i; $output[$i] = $input[$i] * 2; } var_dump($output); /*Output: array(5) { [0]=> int(2) [1]=> int(4) [2]=> int(6) [3]=> int(8) [4]=> int(10) } */
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
012345 Warning: Undefined array key 5 in /in/voAGI on line 8 array(6) { [0]=> int(2) [1]=> int(4) [2]=> int(6) [3]=> int(8) [4]=> int(10) [5]=> int(0) }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 012345 Warning: Undefined array key 5 in /in/voAGI on line 8 array(6) { [0]=> int(2) [1]=> int(4) [2]=> int(6) [3]=> int(8) [4]=> int(10) [5]=> int(0) }
Output for 5.6.0 - 5.6.26, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
012345 Notice: Undefined offset: 5 in /in/voAGI on line 8 array(6) { [0]=> int(2) [1]=> int(4) [2]=> int(6) [3]=> int(8) [4]=> int(10) [5]=> int(0) }
Output for 7.3.32 - 7.3.33
012345array(6) { [0]=> int(2) [1]=> int(4) [2]=> int(6) [3]=> int(8) [4]=> int(10) [5]=> int(0) }
preferences:
153.7 ms | 401 KiB | 187 Q