drupol / phpermutations

src/Permutations.php

Spacing +6 added lines, -6 removed lines

@@ -80,10 +80,10 @@ 
    */
   protected function generate(array $elements, $subset_length) {
     $length = \count($elements);
-    if($subset_length === null){
+    if ($subset_length === null) {
       $subset_length = $length;
     }
-    if($subset_length > $length){
+    if ($subset_length > $length) {
       $subset_length = $length;
     }
     $pools = [];
@@ -91,11 +91,11 @@ 
       $pools[] = $elements;
     }
     $productGenerator = $this->product($pools);
-    foreach($productGenerator as $key => $indices){
+    foreach ($productGenerator as $key => $indices) {
       $flipIndices = array_keys(array_flip($indices));
-      if(\count($flipIndices) == $subset_length){
+      if (\count($flipIndices) == $subset_length) {
         $permute = [];
-        foreach($indices as $k => $i){
+        foreach ($indices as $k => $i) {
           $permute[] = $elements[$key[$k]];
         }
         yield $key => $permute;
@@ -175,7 +175,7 @@ 
   public function toArray() {
     $results = array();
 
-    foreach($this->generator() as $value) {
+    foreach ($this->generator() as $value) {
       $results[] = $value;
     }