<?php $s = "01001010101101111011101001010100010101101010101010101101101010010110110110"; $n = 10; for($a=$b=$c=0;(($d=@substr_count($s,1,$a,$n))>$c&&(($b=$a)&&($c=$d)))||$a<strlen($s);$a++);echo $b; var_dump($i,$best,$bestCount);
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