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1 2 3 4 5 6 7 8 9 10 11 | $arr = array (2,1,-1,3,0); for ( $i =1; $i < count ( $arr ); $i ++){ $insertval = $arr [ $i ]; $insertindex = $i -1; while ( $insertindex >=0 && $insertval < $arr [ $insertindex ]){ $arr [ $insertindex +1]= $arr [ $insertindex ]; $insertindex --; } $temp = $arr [ $i ]; $arr [ $insertindex +1]= $insertval ; } |