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run code in 300+ PHP versions simultaneously
<?php class Some {} class_alias(Some::class, '_');
Output for 8.4.1 - 8.4.14
Deprecated: Using "_" as a class alias is deprecated since 8.4 in /in/QEcZs on line 5
Output for 8.1.30 - 8.1.33, 8.2.24 - 8.2.29, 8.3.5 - 8.3.26

preferences:
85.73 ms | 407 KiB | 5 Q