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<?php var_dump( preg_match( iconv( '//u', "\xf4\x90\xbf\xbf" ) ) );
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: iconv() expects exactly 3 arguments, 2 given in /in/sEtL6:3 Stack trace: #0 /in/sEtL6(3): iconv('//u', '\xF4\x90\xBF\xBF') #1 {main} thrown in /in/sEtL6 on line 3
Process exited with code 255.

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