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<?php $result = array_filter( array_map('strtoupper', explode(htmlentities("Hello World")) ), fn($v) => $v != 'O' ); var_dump($result);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: explode() expects at least 2 arguments, 1 given in /in/tLO0s:5 Stack trace: #0 /in/tLO0s(5): explode('Hello World') #1 {main} thrown in /in/tLO0s on line 5
Process exited with code 255.

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