diff --git a/lib/Helpers/Array_Helper.php b/lib/Helpers/Array_Helper.php
index 711c7b1..01f8da0 100644
--- a/lib/Helpers/Array_Helper.php
+++ b/lib/Helpers/Array_Helper.php
@@ -88,7 +88,7 @@ public static function after( array $subject, int $position ): array {
 	 * @return array
 	 */
 	public static function before( array $subject, int $position ): array {
-		return Array_Helper::diff( Array_Helper::after( $subject, $position ) );
+		return Array_Helper::diff( Array_Helper::after( $subject, $position ), $subject );
 	}
 
 	/**
@@ -438,7 +438,7 @@ public static function flip( $array ): array {
 	 * @return array The normalized array
 	 * @throws \ReflectionException
 	 */
-	public static function normalize( array $array, $convert_colsures = true, $recursive = true ): array {
+	public static function normalize(array $array, $convert_closures = true, $recursive = true ): array {
 
 		foreach ( $array as $key => $value ) {
 			// Normalize recursively.
@@ -449,7 +449,7 @@ public static function normalize( array $array, $convert_colsures = true, $recur
 			}
 
 			// If closures need converted, and this is a closure, transform this into an identifiable string.
-			if ( true === $convert_colsures && $value instanceof Closure ) {
+			if (true === $convert_closures && $value instanceof Closure ) {
 				$array[ $key ] = self::convert_closure( $value );
 			}
 		}
diff --git a/lib/Helpers/Processors/Array_Processor.php b/lib/Helpers/Processors/Array_Processor.php
index 9c6db5d..488883e 100644
--- a/lib/Helpers/Processors/Array_Processor.php
+++ b/lib/Helpers/Processors/Array_Processor.php
@@ -152,7 +152,7 @@ public function merge( array ...$defaults ): static {
 	 * @return $this
 	 */
 	public function replace_recursive( array ...$items ): static {
-		$this->subject = Array_Helper::merge( $this->subject, ...$items );
+		$this->subject = Array_Helper::replace_recursive( $this->subject, ...$items );
 
 		return $this;
 	}
@@ -165,7 +165,7 @@ public function replace_recursive( array ...$items ): static {
 	 * @return $this
 	 */
 	public function replace( array ...$items ): static {
-		$this->subject = Array_Helper::merge( $this->subject, ...$items );
+		$this->subject = Array_Helper::replace( $this->subject, ...$items );
 
 		return $this;
 	}
@@ -205,8 +205,8 @@ public function append( ...$items ): static {
 	 *
 	 * @throws ReflectionException
 	 */
-	public function normalize( $convert_colsures = true, $recursive = true ): static {
-		$this->subject = Array_Helper::normalize( $this->subject, $convert_colsures, $recursive );
+	public function normalize($convert_closures = true, $recursive = true ): static {
+		$this->subject = Array_Helper::normalize( $this->subject, $convert_closures, $recursive );
 
 		return $this;
 	}