From a89543944db517e53cc4cdf8df942218f3fddf91 Mon Sep 17 00:00:00 2001
From: Ryan Cramer <ryan@processwire.com>
Date: Fri, 14 Dec 2018 13:12:52 -0500
Subject: [PATCH] Update WireArray::import() to support duplicate items when
 duplicate checking is turned off per processwire/processwire-issues#767

---
 wire/core/WireArray.php | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/wire/core/WireArray.php b/wire/core/WireArray.php
index dea220c1..4a7b3d34 100644
--- a/wire/core/WireArray.php
+++ b/wire/core/WireArray.php
@@ -225,7 +225,7 @@ class WireArray extends Wire implements \IteratorAggregate, \ArrayAccess, \Count
 	 * Import the given item(s) into this WireArray.
 	 * 
 	 * - Adds imported items to the end of the WireArray. 
-	 * - Skips over any items already present in the WireArray. 
+	 * - Skips over any items already present in the WireArray (when duplicateChecking is enabled)
 	 * 
 	 * #pw-group-manipulation
 	 * 
@@ -236,13 +236,18 @@ class WireArray extends Wire implements \IteratorAggregate, \ArrayAccess, \Count
 	 */
 	public function import($items) {
 
-		if(!is_array($items) && !self::iterable($items)) 
-			throw new WireException('WireArray cannot import non arrays or non-iterable objects'); 
-
+		if(!is_array($items) && !self::iterable($items)) {
+			throw new WireException('WireArray cannot import non arrays or non-iterable objects');
+		}
+	
 		foreach($items as $key => $value) {
-			if(($k = $this->getItemKey($value)) !== null) $key = $k;
-			if(isset($this->data[$key])) continue; // won't overwrite existing keys
-			$this->set($key, $value); 
+			if($this->duplicateChecking) {
+				if(($k = $this->getItemKey($value)) !== null) $key = $k;
+				if(isset($this->data[$key])) continue; // won't overwrite existing keys
+				$this->set($key, $value);
+			} else {
+				$this->add($value); 
+			}
 		}
 
 		return $this;