Update Input.php

Author: hamzaavvan

Input.php

@@ -1,25 +1,126 @@
 <?php
 
+namespace App;
+
 class Input {
+	/**
+	 * Must take @bool to proceed
+	 * refer to getMagicQuotes() method
+	 *
+	 * @var boolean
+	 */
+	private static $magic_quotes_exists;
+
+
 	public static function exists($action = 'post') {
 		switch ($action) {
 			case 'post':
 				return (!empty($_POST)) ? true : false;
 			break;
+
 			case 'get':
 				return (!empty($_GET)) ? true : false;
 			break;
+
 			default:
 				return false;
 		}
+
 	}
 
-	public static function get($name) {
+
+	public static function get($name, $purify = false) {
+
 		if (isset($_POST[$name])) {
-			return $_POST[$name];
+			$var = $_POST[$name];
+
+			return self::verify($var, $purify);
 		}else if (isset($_GET[$name])) {
-			return $_GET[$name];
+			$var = $_GET[$name];
+
+			return self::verify($var, $purify);
+		}
+
+		return false;
+	}
+
+
+	public static function verify($input, $purify = false) {
+		$input = is_array($input) ? array_map('self::verify', $input) : static::sanitize($input, $purify);
+
+		return $input;
+	}
+
+	public static function check($name, $in = '') {
+		$in = strtolower($in);
+
+		switch ($in) {
+			case 'get':
+				if (isset($_GET[$name])) {
+					return true;
+				}
+			break;
+
+			case 'post':
+				if (isset($_POST[$name])) {
+					return true;
+				}
+			break;
+			
+			default:
+				if (isset($_POST[$name])) {
+					return true;
+				}else if (isset($_GET[$name])) {
+					return true;
+				}
 		}
-		return '';
+
+		return false;
+	}
+
+
+	public function sanitize($string, $purify = false) 
+	{
+		$string = trim($string);
+
+		if ($purify==true)
+			$string = stripslashes(strip_tags($string));
+
+		$string = htmlentities($string, ENT_QUOTES, "UTF-8");
+
+		return $string;
 	}
-}
+
+	public function getMagicQuotes() {
+		if(function_exists('get_magic_quotes_gpc')) {
+			self::$magic_quotes_exists = true;
+			return self::$magic_quotes_exists;
+		}
+	}
+
+	/**
+	 * Convert post request into url param string
+	 *
+	 * @param array $stream
+	 * @param string $initParam
+	 * @return string $params
+	 */
+	public function splitStream($stream, $initParam = '') {
+		$params = !empty($initParam) ? $initParam : '';
+		$magicQuotesExist = self::getMagicQuotes();
+
+		foreach ($stream as $key => $value) {
+			if ($magicQuotesExist == true && get_magic_quotes_gpc() == 1) {
+				$value = urlencode(stripslashes($value));
+			}else {
+				$value = urlencode($value);
+			}
+
+			$params .= !empty($params) ? '&' : '';
+			$params .= "$key=$value";
+		}
+
+		return $params;
+	}
+
+}