X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;ds=sidebyside;f=framework%2Fmain%2Fclasses%2Flists%2Fclass_BaseList.php;h=edca181d6fa99913340a9ec8abb481fb5abd05f9;hb=d831713579377eaedd277b577dcd9c73040d0767;hp=c1ac982eb154c8381622ff828c8107b193bf856a;hpb=08578b5e2e37e31e45d24c17c01a6b8bc0abd53b;p=core.git

diff --git a/framework/main/classes/lists/class_BaseList.php b/framework/main/classes/lists/class_BaseList.php
index c1ac982e..edca181d 100644
--- a/framework/main/classes/lists/class_BaseList.php
+++ b/framework/main/classes/lists/class_BaseList.php
@@ -61,6 +61,14 @@ abstract class BaseList extends BaseFrameworkSystem implements IteratorAggregate
 	 */
 	private $listIndex = [];
 
+	/**
+	 * Cached values from "expensive" method calls
+	 */
+	private $cache = [
+		// Cached isValidHash() calls
+		'is_valid' => [],
+	];
+
 	/**
 	 * Protected constructor
 	 *
@@ -403,13 +411,13 @@ abstract class BaseList extends BaseFrameworkSystem implements IteratorAggregate
 		if (empty($hash)) {
 			// Throw IAE
 			throw new InvalidArgumentException('Parameter "hash" is empty');
+		} elseif (!isset($this->cache['is_valid'][$hash])) {
+			// Check it
+			$this->cache['is_valid'][$hash] = ((in_array($hash, $this->listIndex)) && (isset($this->listEntries[$hash])));
 		}
 
-		// Check it
-		$isValid = ((in_array($hash, $this->listIndex)) && (isset($this->listEntries[$hash])));
-
 		// Return the result
-		return $isValid;
+		return $this->cache['is_valid'][$hash];
 	}
 
 	/**