Sync changes v29.0.0 from IceHrmPro (https://icehrm.com/purchase-icehrmpro)

core/lib/saml2/PointersManager.php

@@ -0,0 +1,51 @@
+<?php
+
+class MoSAMLPointersManager {
+
+    private $pfile;
+    private $version;
+    private $prefix;
+    private $pointers = array();
+
+    public function __construct( $file, $version, $prefix ) {
+        $this->pfile = file_exists( $file ) ? $file : FALSE;
+        $this->version = str_replace( '.', '_', $version );
+        $this->prefix = $prefix;
+    }
+
+    public function parse() {
+        if ( empty( $this->pfile ) ) return;
+        $pointers = (array) require_once $this->pfile;
+        if ( empty($pointers) ) return;
+        foreach ( $pointers as $i => $pointer ) {
+            if(is_array($pointer)){
+                $pointer['id'] = "{$this->prefix}{$this->version}_{$i}";
+                $this->pointers[$pointer['id']] = (object) $pointer;
+            }
+        }
+    }
+
+    public function filter( $page ) {
+        if ( empty( $this->pointers ) ) return array();
+        $uid = get_current_user_id();
+        $no = explode( ',', (string) get_user_meta( $uid, 'dismissed_wp_pointers', TRUE ) );
+        $active_ids = array_diff( array_keys( $this->pointers ), $no );
+        $good = array();
+        foreach( $this->pointers as $i => $pointer ) {
+            if (
+                in_array( $i, $active_ids, TRUE ) // is active
+                && isset( $pointer->where ) // has where
+                && in_array( $page, (array) $pointer->where, TRUE ) // current page is in where
+            ) {
+                $good[] = $pointer;
+            }
+        }
+        $count = count( $good );
+        if ( $good === 0 ) return array();
+        foreach( array_values( $good ) as $i => $pointer ) {
+            $good[$i]->next = $i+1 < $count ? $good[$i+1]->id : '';
+        }
+
+        return $good;
+    }
+}