mikuli.cz

commit 874007ddbebc693ec5888ef2dfe4819c0438641d
parent 005ced1bcc3afd2c7339515bc5c6199d538d66fb
Author: markseu <mark2011@mayberg.se>
Date:   Thu,  7 Nov 2019 00:02:41 +0100

Updated API, remove pages from collectio

Diffstat:
M
system/extensions/core.php
 | 
20
+++++++++++++++++++-

1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/system/extensions/core.php b/system/extensions/core.php
@@ -1003,12 +1003,30 @@ class YellowPageCollection extends ArrayObject {
         return $this;
     }
 
-    // Merge page collection
+    // Calculate union, merge page collection
     public function merge($input) {
         $this->exchangeArray(array_merge($this->getArrayCopy(), (array)$input));
         return $this;
     }
     
+    // Calculate intersection, remove pages that are not present in another page collection
+    public function intersect($input) {
+        $callback = function ($a, $b) {
+            return strcmp(spl_object_hash($a), spl_object_hash($b));
+        };
+        $this->exchangeArray(array_uintersect($this->getArrayCopy(), (array)$input, $callback));
+        return $this;
+    }
+
+    // Calculate difference, remove pages that are present in another page collection
+    public function diff($input) {
+        $callback = function ($a, $b) {
+            return strcmp(spl_object_hash($a), spl_object_hash($b));
+        };
+        $this->exchangeArray(array_udiff($this->getArrayCopy(), (array)$input, $callback));
+        return $this;
+    }
+    
     // Append to end of page collection
     public function append($page) {
         parent::append($page);