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<?php $owidth = 4; $oheight = 3; $final = -1; $wstep = $hstep = 0; $nos = ($oheight * $owidth); function calc($step,$check,$change,$last) { for($i=$step;$i<$check;++$i){ $last = $last + $change; echo ' '.$last; } return($last); } while($nos > 0){ // accross if ($wstep < $owidth) { $final = calc($wstep,$owidth,1,$final); $nos = $nos - ($owidth - $wstep); ++$hstep; // up if ($hstep < $oheight) { $final = calc($hstep,$oheight,$owidth,$final); $nos = $nos - ($oheight - $hstep); ++$wstep; // back if ($wstep < $owidth) { $final = calc($wstep,$owidth,-1,$final); $nos = $nos - ($owidth - $wstep); ++$hstep; // down if ($hstep < $oheight) { $change = 0-$owidth; $final = calc($hstep,$oheight,$change,$final); $nos = $nos - ($oheight - $hstep); } } } } ++$wstep; } ?>
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