<?php function putInArrayIfBig(&$array, $number) { //array is empty if(count($array) == 0) { array_push($array, $number); return; } //push new value, remove smallest for($i = 0; $i < count($array); $i++) { if($array[$i] < $number) { array_splice($array, $i, 0, $number); if(count($array) > 30) { //remove 31 item array_pop($array); } return; } } //if item not inserted and array not yet full if(count($array) < 30) { array_push($array, $number); return; } } $top30 = [9,8,7,6,4,3,2,1]; putInArrayIfBig($top30, 5); var_dump($top30); putInArrayIfBig($top30, 0); var_dump($top30); ?>
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