3v4l.org

run code in 300+ PHP versions simultaneously
<?php function group($cond, $arr) { if (!$arr) return []; $e = array_shift($arr); $g = [$e]; while($cond($e, reset($arr))) { $g[] = array_shift($arr); } return array_merge([$g], group($cond, $arr)); } function it($m,$p){echo ($p?'OK':'NO')." It $m\n";}; echo it ('groups', group(it, [1,5,5,6,6,6,7,9]) == [[1],[5,5],[6,6,6],[7],[9]]);
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
Fatal error: Uncaught Error: Undefined constant "it" in /in/r1bnL:22 Stack trace: #0 {main} thrown in /in/r1bnL on line 22
Process exited with code 255.
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 Fatal error: Uncaught Error: Undefined constant "it" in /in/r1bnL:22 Stack trace: #0 {main} thrown in /in/r1bnL on line 22
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant it - assumed 'it' (this will throw an Error in a future version of PHP) in /in/r1bnL on line 22 OK It 1 OK It 5 OK It 5 OK It 6 OK It 6 OK It 6 OK It 7 NO It 9 NO It groups
Output for 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 - 7.1.25
Notice: Use of undefined constant it - assumed 'it' in /in/r1bnL on line 22 OK It 1 OK It 5 OK It 5 OK It 6 OK It 6 OK It 6 OK It 7 NO It 9 NO It groups
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/r1bnL on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/r1bnL on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/r1bnL on line 5
Process exited with code 255.
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