";
+ foreach ($row as $cell) {
+ $output .= "| ";
+ if ($cell === false) {
+ $output .= "false";
+ }
+ else {
+ $output .= round($cell, 3);
+ }
+ $output .= " | ";
+ }
+ $output .= "
";
+ }
+
+ $output .= "";
+
+ return $output;
+ }
+
+
+ $output = "";
+
+ $matrix = [
+ [-1, 0, -1],
+ [ 0, 4, 0],
+ [-1, 0, -1],
+ ];
+
+ $kernel = \ImagickKernel::fromMatrix($matrix);
+ $kernelClone = clone $kernel;
+
+ $output .= "Start kernel