json_encode for PHP < 5.2

htdocs/application/controllers/main.php

@@ -204,6 +204,7 @@ class Main extends CI_Controller
 	
 	function index() 
 	{
+		$this->load->helper('json');
 		
 		if (!$this->input->post('submit')) 
 		{
@@ -369,6 +370,7 @@ class Main extends CI_Controller
 	
 	function view() 
 	{
+		$this->load->helper('json');
 		$this->load->model('pastes');
 		$check = $this->pastes->checkPaste(2);
 		

htdocs/application/helpers/json_helper.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * Class and Function List:
+ * Function list:
+ * - json_encode()
+ * Classes list:
+ */
+//If you are on a version of PHP before 5.2, this might help:
+
+if (!function_exists('json_encode')) 
+{
+	
+	function json_encode($data) 
+	{
+		switch ($type = gettype($data)) 
+		{
+		case 'NULL':
+			return 'null';
+		case 'boolean':
+			return ($data ? 'true' : 'false');
+		case 'integer':
+		case 'double':
+		case 'float':
+			return $data;
+		case 'string':
+			return '"' . addslashes($data) . '"';
+		case 'object':
+			$data = get_object_vars($data);
+		case 'array':
+			$output_index_count = 0;
+			$output_indexed = array();
+			$output_associative = array();
+			foreach ($data as $key => $value) 
+			{
+				$output_indexed[] = json_encode($value);
+				$output_associative[] = json_encode($key) . ':' . json_encode($value);
+				
+				if ($output_index_count !== NULL && $output_index_count++ !== $key) 
+				{
+					$output_index_count = NULL;
+				}
+			}
+			
+			if ($output_index_count !== NULL) 
+			{
+				return '[' . implode(',', $output_indexed) . ']';
+			}
+			else
+			{
+				return '{' . implode(',', $output_associative) . '}';
+			}
+		default:
+			return ''; // Not supported
+
+			
+		}
+	}
+}