A-M baby

Task/Identity-matrix/PHP/identity-matrix.php

@@ -0,0 +1,25 @@
+function createMatrix($size)
+{
+    $result = array();
+
+    for ($i = 0; $i < $size; $i++) {
+        $row      = array_fill(0, $size, 0);
+        $row[$i]  = 1;
+        $result[] = $row;
+    }
+
+    return $result;
+}
+
+function printMatrix(array $matrix)
+{
+    foreach ($matrix as $row) {
+        foreach ($row as $column) {
+            echo $column . " ";
+        }
+        echo PHP_EOL;
+    }
+    echo PHP_EOL;
+}
+
+printMatrix(createMatrix(5));