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include/text.php

@@ -1762,3 +1762,61 @@ function stringify_array_elms(&$arr) {
 	for($x = 0; $x < count($arr); $x ++)
 		$arr[$x] = "'" . $arr[$x] . "'";
 }
+
+/**
+ * Indents a flat JSON string to make it more human-readable.
+ *
+ * @param string $json The original JSON string to process.
+ *
+ * @return string Indented version of the original JSON string.
+ */
+function jindent($json) {
+
+    $result      = '';
+    $pos         = 0;
+    $strLen      = strlen($json);
+    $indentStr   = '  ';
+    $newLine     = "\n";
+    $prevChar    = '';
+    $outOfQuotes = true;
+
+    for ($i=0; $i<=$strLen; $i++) {
+
+        // Grab the next character in the string.
+        $char = substr($json, $i, 1);
+
+        // Are we inside a quoted string?
+        if ($char == '"' && $prevChar != '\\') {
+            $outOfQuotes = !$outOfQuotes;
+        
+        // If this character is the end of an element, 
+        // output a new line and indent the next line.
+        } else if(($char == '}' || $char == ']') && $outOfQuotes) {
+            $result .= $newLine;
+            $pos --;
+            for ($j=0; $j<$pos; $j++) {
+                $result .= $indentStr;
+            }
+        }
+        
+        // Add the character to the result string.
+        $result .= $char;
+
+        // If the last character was the beginning of an element, 
+        // output a new line and indent the next line.
+        if (($char == ',' || $char == '{' || $char == '[') && $outOfQuotes) {
+            $result .= $newLine;
+            if ($char == '{' || $char == '[') {
+                $pos ++;
+            }
+            
+            for ($j = 0; $j < $pos; $j++) {
+                $result .= $indentStr;
+            }
+        }
+        
+        $prevChar = $char;
+    }
+
+    return $result;
+}