rseon · June 21, 2021 09:59 · Jun 21, 2021 · Jun 21, 2021 · Jun 21, 2021 · Jun 21, 2021
diff --git a/wrapper_json_encode.php b/wrapper_json_encode.php
@@ -24,7 +24,7 @@ function safe_json_encode($value, $options = 0, $depth = 512, $utfErrorFlag = fa
             if ($utfErrorFlag) {
                 throw new Exception('Malformed UTF-8 characters, possibly incorrectly encoded', $json_error);
             }
-            return $this->safe_json_encode($clean, $options, $depth, true);
+            return safe_json_encode($clean, $options, $depth, true);
 
         // No error
         case JSON_ERROR_NONE:

diff --git a/wrapper_json_encode.php b/wrapper_json_encode.php
@@ -20,7 +20,7 @@ function safe_json_encode($value, $options = 0, $depth = 512, $utfErrorFlag = fa
     switch ($json_error) {
         // Try to resolve the UTF-8 error
         case JSON_ERROR_UTF8:
-            $clean = $this->utf8ize($value);
+            $clean = utf8ize($value);
             if ($utfErrorFlag) {
                 throw new Exception('Malformed UTF-8 characters, possibly incorrectly encoded', $json_error);
             }

diff --git a/wrapper_json_encode.php b/wrapper_json_encode.php
@@ -1,3 +1,5 @@
+<?php
+
 /**
  * Wrapper to handle JSON errors and resolve UTF-8 errors
  * 

diff --git a/wrapper_json_encode.php b/wrapper_json_encode.php
@@ -0,0 +1,73 @@
+/**
+ * Wrapper to handle JSON errors and resolve UTF-8 errors
+ * 
+ * @param mixed
+ * @param int
+ * @param int
+ * @param bool
+ * @return string|false
+ * @throw Exception
+ * 
+ * @link https://stackoverflow.com/a/26760943
+ * @link https://www.php.net/manual/en/function.json-last-error.php#refsect1-function.json-last-error-returnvalues
+ */
+function safe_json_encode($value, $options = 0, $depth = 512, $utfErrorFlag = false) {
+    $encoded = json_encode($value, $options, $depth);
+
+    $json_error = json_last_error();
+    switch ($json_error) {
+        // Try to resolve the UTF-8 error
+        case JSON_ERROR_UTF8:
+            $clean = $this->utf8ize($value);
+            if ($utfErrorFlag) {
+                throw new Exception('Malformed UTF-8 characters, possibly incorrectly encoded', $json_error);
+            }
+            return $this->safe_json_encode($clean, $options, $depth, true);
+
+        // No error
+        case JSON_ERROR_NONE:
+            return $encoded;
+
+        // Throw exceptions for all other errors
+        case JSON_ERROR_DEPTH:
+            throw new Exception('Maximum stack depth exceeded', $json_error);
+        case JSON_ERROR_STATE_MISMATCH:
+            throw new Exception('Underflow or the modes mismatch', $json_error);
+        case JSON_ERROR_CTRL_CHAR:
+            throw new Exception('Unexpected control character found', $json_error);
+        case JSON_ERROR_SYNTAX:
+            throw new Exception('Syntax error, malformed JSON', $json_error);
+        case JSON_ERROR_RECURSION:
+            throw new Exception('One or more recursive references in the value to be encoded', $json_error);
+        case JSON_ERROR_INF_OR_NAN:
+            throw new Exception('One or more NAN or INF values in the value to be encoded', $json_error);
+        case JSON_ERROR_UNSUPPORTED_TYPE:
+            throw new Exception('A value of a type that cannot be encoded was given', $json_error);
+        case JSON_ERROR_INVALID_PROPERTY_NAME:
+            throw new Exception('A property name that cannot be encoded was given', $json_error);
+        case JSON_ERROR_UTF16:
+            throw new Exception('Malformed UTF-16 characters, possibly incorrectly encoded', $json_error);
+        default:
+            throw new Exception('Unknown error', $json_error);
+
+    }
+}
+
+/**
+ * Encode value in UTF-8
+ * 
+ * @param array|string
+ * @return mixed
+ * 
+ * @link https://stackoverflow.com/a/26760943
+ */
+function utf8ize($mixed) {
+    if (is_array($mixed)) {
+        foreach ($mixed as $key => $value) {
+            $mixed[$key] = utf8ize($value);
+        }
+    } else if (is_string ($mixed)) {
+        return utf8_encode($mixed);
+    }
+    return $mixed;
+}