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<?php var_dump(filter_var('<script>is_set(\'Test\')""</script>', FILTER_UNSAFE_RAW, ));
Output for 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(33) "<script>is_set('Test')""</script>"
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.28, 7.2.29 - 7.2.33
Parse error: syntax error, unexpected ')' in /in/WQMUI on line 3
Process exited with code 255.

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