<?php $input = "turn on 0,0 through 999,999"; $lights = [[]]; for($i = 0; $i<1000; $i++){ for($j = 0; $j<1000; $j++){ $lights[$i][$j] = 0; } } explode("\n",$input); function action($s){ $on = preg_match("/turn on/"); $off = preg_match("/turn off/"); $toggle = preg_match("/toggle/"); if($on > 0){ return 1; } else if($off>0){ return 2; } else if($toggle>0){ return 3; } } echo action($input); ?>
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