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run code in 200+ php & hhvm versions
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<?php $nameFilter = '%'.trim('dio_cane').'%'; $nameFilter = preg_replace('/\s+/', '%', $nameFilter); echo $nameFilter;
based on qAvPH
Output for 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.30 - 7.3.0beta1
%dio_cane%