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run code in 300+ PHP versions simultaneously
<?php $x = 0; $a = array(&$x); // [&0] $b = $a; // [&0] $x = 2; // a=[&2], b=[&2] unset($x); // $b[1]++; $b[0]++; echo $a[0], ' ', $b[0];
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Warning: Undefined array key 1 in /in/eO9AR on line 8 2 3
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 Warning: Undefined array key 1 in /in/eO9AR on line 8 2 3
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined offset: 1 in /in/eO9AR on line 8 2 3
Output for 7.3.32 - 7.3.33
2 3
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: 1 in /in/eO9AR on line 8 2 3
preferences:
244.59 ms | 402 KiB | 355 Q