3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public static function test() { return '__METHOD__<br>'; } } define('CONFIG', [ Foo::test(), 'ok!' ]); var_dump(CONFIG[0]);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 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
string(14) "__METHOD__<br>"
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 string(14) "__METHOD__<br>"
Output for 5.6.8 - 5.6.28
Warning: Constants may only evaluate to scalar values in /in/Csm3r on line 14 Notice: Use of undefined constant CONFIG - assumed 'CONFIG' in /in/Csm3r on line 16 string(1) "C"
Output for 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '[' in /in/Csm3r on line 16
Process exited with code 255.
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