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<?php $csv = tmpfile(); fputcsv($csv, ['foo', 'bar', 'baz'], '💩'); rewind($csv); echo stream_get_contents($csv); fclose($csv);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ValueError: fputcsv(): Argument #3 ($separator) must be a single character in /in/ons2t:4 Stack trace: #0 /in/ons2t(4): fputcsv(Resource id #4, Array, '\xF0\x9F\x92\xA9') #1 {main} thrown in /in/ons2t on line 4
Process exited with code 255.

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