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Co-authored-by: John Paul E. Balandan, CPA <[email protected]>

Author: michalsn

tests/system/HTTP/ContentSecurityPolicyTest.php

@@ -951,8 +951,9 @@ public function testGenerateNoncesReplacesPlaceholdersInHtml(): void
 
         $this->assertMatchesRegularExpression('/<style nonce="[A-Za-z0-9+\/=]+">/', $result);
         $this->assertMatchesRegularExpression('/<script nonce="[A-Za-z0-9+\/=]+">/', $result);
-        $this->assertStringNotContainsString('{csp-style-nonce}', (string) $result);
-        $this->assertStringNotContainsString('{csp-script-nonce}', (string) $result);
+        $this->assertIsString($result);
+        $this->assertStringNotContainsString('{csp-style-nonce}', $result);
+        $this->assertStringNotContainsString('{csp-script-nonce}', $result);
     }
 
     #[PreserveGlobalState(false)]
@@ -968,6 +969,7 @@ public function testGenerateNoncesEscapesQuotesInJsonResponse(): void
         $result = $this->response->getBody();
         $parsed = json_decode($result, true);
 
+        $this->assertSame(JSON_ERROR_NONE, json_last_error());
         $this->assertNotNull($parsed);
         $this->assertMatchesRegularExpression('/nonce="[A-Za-z0-9+\/=]+"/', $parsed['html']);
     }

user_guide_src/source/changelogs/v4.7.1.rst

@@ -30,7 +30,7 @@ Deprecations
 Bugs Fixed
 **********
 
-- **ContentSecurityPolicy:** Fixed a bug where ``generateNonces()`` corrupted JSON responses by replacing CSP nonce placeholders with unescaped double quotes. The method now automatically JSON-escapes nonce attributes when the response Content-Type is JSON.
+- **ContentSecurityPolicy:** Fixed a bug where ``generateNonces()`` produces corrupted JSON responses by replacing CSP nonce placeholders with unescaped double quotes. The method now automatically JSON-escapes nonce attributes when the response Content-Type is JSON.
 
 See the repo's
 `CHANGELOG.md <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md>`_