bug fixed,delete file

Author: inhere

src/helpers/UrlHelper.php

@@ -8,9 +8,132 @@
 
 namespace inhere\librarys\helpers;
 
-use inhere\librarys\traits\TraitUrlHelper;
-
 class UrlHelper
 {
-    use TraitUrlHelper;
+    public static function isUrl($str)
+    {
+        $rule = '/^(http|https|ftp):\/\/([A-Z0-9][A-Z0-9_-]*(?:\.[A-Z0-9][A-Z0-9_-]*)+):?(\d+)?\/?/i';
+
+        return preg_match($rule,$str)===1;
+    }
+
+    public static function canAccessed($url)
+    {
+        $url = trim($url);
+
+        if ( function_exists('curl_init') ) {
+            // use curl
+            $ch = curl_init($url);
+            curl_setopt($ch, CURLOPT_NOBODY, true);
+            curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, 5);//设置超时
+            curl_setopt($ch, CURLOPT_TIMEOUT, 5);
+
+            if ( false !== curl_exec($ch) ){
+                $statusCode = (int)curl_getinfo($ch, CURLINFO_HTTP_CODE);
+
+                return $statusCode === 200;
+            }
+        } elseif ( function_exists('get_headers') ) {
+            $headers = get_headers($url, 1);
+
+            return (bool)preg_match('/200/',$headers[0]);
+        } else {
+            $opts = [
+                'http'=> ['timeout' => 5,]
+            ];
+            $context = stream_context_create($opts);
+            $resource = @file_get_contents($url, false, $context);
+
+            return (bool)$resource;
+        }
+
+        return false;
+    }
+
+    // Build arrays of values we need to decode before parsing
+    protected static  $entities       = array(
+        '%21', '%2A', '%27', '%28', '%29', '%3B', '%3A', '%40', '%26',
+        '%3D', '%24', '%2C', '%2F', '%3F', '%23', '%5B', '%5D'
+    );
+
+    protected static $replacements   = array(
+        '!'  , '*'  , "'"  ,  '(' ,  ')' ,  ';' ,  ':' ,  '@' ,  '&' ,
+        '='  , '$'  , ','  ,  '/' ,  '?' ,  '#' ,  '[' ,  ']'
+    );
+
+    static public function parseUrl($url)
+    {
+        $result         = [];
+
+        // Create encoded URL with special URL characters decoded so it can be parsed
+        // All other characters will be encoded
+        $encodedURL     = str_replace(self::$entities, self::$replacements, urlencode($url));
+
+        // Parse the encoded URL
+        $encodedParts   = parse_url($encodedURL);
+
+        // Now, decode each value of the resulting array
+        if ($encodedParts) {
+            foreach ($encodedParts as $key => $value) {
+                $result[$key] = urldecode(str_replace(self::$replacements, self::$entities, $value));
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * url_encode form urlencode(),但是 : / ? & = ...... 几个符号不会被转码为 %3A %2F %3F %26 %3D ......
+     * $url="ftp://ud03:password@www.xxx.net/中文/中文.rar";
+     * $url1 =  url_encode1($url);
+     * //ftp://ud03:password@www.xxx.net/%E4%B8%AD%E6%96%87/%E4%B8%AD%E6%96%87.rar
+     * $url2 =  urldecode($url);
+     * echo $url1.PHP_EOL.$url2.PHP_EOL;
+     * @param $url
+     * @return mixed|string [type] [description]
+     */
+    static public function encode($url)
+    {
+        $url        = trim($url);
+
+        if (empty($url) || !is_string($url) ) {
+            return $url;
+        }
+
+        // 若已被编码的url，将被解码，再继续重新编码
+        $url       = urldecode($url);
+        $encodeUrl = urlencode($url);
+        $encodeUrl = str_replace( self::$entities, self::$replacements, $encodeUrl);
+
+        return $encodeUrl;
+    }
+
+    /**
+     * [urlEncode 会先转换编码]
+     * $url="ftp://ud03:password@www.xxx.net/中文/中文.rar";
+     * $url1 =  url_encode($url);
+     * //ftp://ud03:password@www.xxx.net/%C3%A4%C2%B8%C2%AD%C3%A6%C2%96%C2%87/%C3%A4%C2%B8%C2%AD%C3%A6%C2%96%C2%87.rar
+     * $url2 =  urldecode($url);
+     * echo $url1.PHP_EOL.$url2;
+     * @param  string $url [description]
+     * @return mixed|string [type]      [description]
+     */
+    static public function encode2($url)
+    {
+        $url         = trim($url);
+
+        if (!$url || !is_string($url) ) {
+            return $url;
+        }
+
+        // 若已被编码的url，将被解码，再继续重新编码
+        $url         = urldecode($url);
+        $encodeUrl   = rawurlencode(mb_convert_encoding($url, 'utf-8'));
+
+        // $url  = rawurlencode($url);
+
+        $encodeUrl = str_replace( self::$entities, self::$replacements, $encodeUrl);
+
+        return $encodeUrl;
+    }
 }