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<?php $collator = new Collator('ru'); $str1 = $getSortKey($str1); $str2 = $getSortKey($str2); print_r(strcmp($str1, $str2));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $getSortKey in /in/24vCN on line 5 Fatal error: Uncaught Error: Value of type null is not callable in /in/24vCN:5 Stack trace: #0 {main} thrown in /in/24vCN on line 5
Process exited with code 255.

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