Online PHP editor | output for OHsde

<?php $matrix = [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 16], // [17, 18, 19, 20] ]; $r = 1; matrixRotation($matrix, $r); function matrixRotation($matrix, $r) { $m = new Matrix($matrix); $m->rotate(); // print_r($m->get()); } class Matrix { private $mx; private $m; private $n; private $a; // i [a,b] private $b; private $c; // j [c,d] private $d; public function get() { return $this->mx; } public function __construct($mx) { try { $this->set($mx); } catch(\Exception $e) { echo $e->getMessage(); // exit(1); } } private function set(array $mx) { $this->m = count($mx); $this->n = count($mx[0]); $this->a = 0; $this->b = $this->m-1; $this->c = 0; $this->d = $this->n-1; $this->mx = $mx; } public function rotate($r = 1) { $k = 0; while(1) { $this->a += $k; $this->b -= $k; $this->c += $k; $this->d -= $k; var_dump($this->a, $this->b,$this->c,$this->d); break; if ( $this->a === $this->b || $this->c === $this->d ) { break; } $mult = 2*($this->m-2*$k)+2*($this->n-2*$k)-4; $rm = $r % $mult; while($rm--) { print_r('rotateSquare'.PHP_EOL); // $this->rotateSquare(); } ++$k; } } private function rotateSquare() { $t = []; //transite for($i=0; $i<$this->m; ++$i) { for($j=0; $j<$this->n; ++$j) { $t[$i][$j] = [0,0]; } } $j=$this->c; for($i=$this->a; $i<$this->b; ++$i) { $t[$i][$j] = [-1,0]; } $i=$this->b; for($j=$this->c; $j<$this->d; ++$j) { $t[$i][$j] = [0,1]; } $j=$this->d; for($i=$this->b; $i>$this->a; --$i) { $t[$i][$j] = [1,0]; } $i=$this->a; for($j=$this->d; $j<$this->c; --$j) { $t[$i][$j] = [0,-1]; } prtint_r($t); // $temp = []; // for($i=0; $i<$this->m; ++$i) { // for($j=0; $j<$this->n; ++$j) { // $iOffset = $t[$i][$j][0]; // $jOffset = $t[$i][$j][1]; // $temp[$i+$iOffset][$j+$jOffset] = $this->mx[$i][$j]; // } // } // $this->mx = $this->ksort($temp); // return $this; } private function ksort($temp) { foreach($temp as &$ar){ ksort($ar); } ksort($temp); return $temp; } }