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run code in 300+ PHP versions simultaneously
<?php $char = "ჯ"; $uppercaseChar = mb_strtoupper($char); echo $uppercaseChar . "\n"; echo $$uppercaseChar === $char ? 'same' : 'different';
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
Ჯ Warning: Undefined variable $Ჯ in /in/Le5A1 on line 5 different
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 Ჯ Warning: Undefined variable $Ჯ in /in/Le5A1 on line 5 different
Output for 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Ჯ Notice: Undefined variable: Ჯ in /in/Le5A1 on line 5 different
Output for 7.3.32 - 7.3.33
Ჯ different
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
ჯ Notice: Undefined variable: ჯ in /in/Le5A1 on line 5 different

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