[phalcon#16593] - fix: fixed memory leak by anonymous function in PascalCase.zep

Author: noone-silent

CHANGELOG-5.0.md

@@ -1,5 +1,17 @@
 # Changelog
 
+## [5.7.1](https://github.com/phalcon/cphalcon/releases/tag/v5.7.1) (XXXX-XX-XX)
+
+### Changed
+
+### Added
+
+### Fixed
+
+- Fixed `Phalcon\Support\Helper\PascalCase` causing memory leak by anonymous function [#16593](https://github.com/phalcon/cphalcon/issues/16593)
+
+### Removed
+
 ## [5.7.0](https://github.com/phalcon/cphalcon/releases/tag/v5.7.0) (2024-05-17)
 
 ### Changed

phalcon/Support/Helper/Str/PascalCase.zep

@@ -25,18 +25,16 @@ class PascalCase
         string text,
         string delimiters = null
     ) -> string {
-        var exploded, output;
+        var exploded, output, element;
 
         let exploded = this->processArray(text, delimiters);
 
-        let output = array_map(
-            function (element) {
-                return ucfirst(mb_strtolower(element));
-            },
-            exploded
-        );
+        let output = "";
+        for element in exploded {
+            let output = output . ucfirst(mb_strtolower(element));
+        }
 
-        return implode("", output);
+        return output;
     }
 
     /**