Online PHP editor | refs for hmc9s

<?php $input='46.99'; $floor=floor($input); $tens=round($input,-1); echo $floor.' '.$tens."\n"; function getClosest($search, $arr) { $closest = null; foreach($arr as $item) { if($closest == null || abs($search - $closest) > abs($item - $search)) { $closest = $item; } } return $closest; } function roundToValues( $search, array $arr ) { $differences = array(); foreach( $arr as $item) { $differences[ $item ] = abs($item - $search); } return array_search(min($differences), $differences); } $array = array( '0', '20' => '0-20', '50' => '20-50', '100' => '50-100', '200' => '100-200', '500' => '200-500', ); print_r($array); echo getCloser($input,$array); echo roundToValues($input,$array);