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run code in 150+ php & hhvm versions
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<?php $name = 'SlimDuct 31" Flexible Elbow 3-34/" Ivory SF100800I'; $str = strtolower(trim(preg_replace('/[^a-zA-Z0-9]+/', '-', $name), '-')); echo $str. "\n"; ?>
Output for 4.3.0 - 7.1.0
slimduct-31-flexible-elbow-3-34-ivory-sf100800i