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<?php |
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class holt45 { |
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/** |
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* Check $_GET |
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* |
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* @example if(chk_get("s") == "a") instead of if(isset($_GET["s"]) && $_GET["s"] == "a") |
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* |
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* @param string $key Get-key... |
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* @return bool |
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*/ |
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function chk_get($key) { |
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if (!isset($_GET[$key])) { |
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return false; |
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} |
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return $_GET[$key]; |
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} |
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/** |
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* Check $_POST |
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* |
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* @example if(chk_post("s") == "a") instead of if(isset($_POST["s"]) && $_POST["s"] == "a") |
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* |
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* @param string $key Post-key... |
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* @return bool |
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*/ |
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function chk_post($key) { |
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if (!isset($_POST[$key])) { |
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return false; |
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} |
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return $_POST[$key]; |
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} |
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/** |
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* Check multiple $_GET-keys |
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* |
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* @example if(chk_get_all(array("a","b"))) instead of if(!empty($_GET["a"]) && !empty($_GET["b"])) |
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*/ |
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View Code Duplication |
function chk_get_all($keys) { |
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$s = true; |
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foreach($keys AS $key) { |
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if (empty($_GET[$key])) { |
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$s = false; |
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} |
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} |
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return $s; |
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} |
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/** |
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* Check multiple $_POST-keys |
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* |
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* @example if(chk_post_all(array("a","b"))) instead of if(!empty($_POST["a"]) && !empty($_POST["b"])) |
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*/ |
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View Code Duplication |
function chk_post_all($keys) { |
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$s = true; |
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foreach($keys AS $key) { |
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if (empty($_POST[$key])) { |
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$s = false; |
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} |
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} |
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return $s; |
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} |
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/** |
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* Convert timestamp to HTTP-date (RFC2616) |
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* |
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* For use in "Last-Modified" headers. |
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*/ |
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function timestamp_to_http_date($timestamp) { |
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if($timestamp == NULL) { return NULL; } |
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return gmdate("D, d M Y H:i:s T", strtotime($timestamp)); |
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} |
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/** |
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* Get client ip-address |
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* |
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* @return string User ip-address |
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*/ |
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function get_client_ip_address() { |
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if (getenv('HTTP_CLIENT_IP')) |
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return getenv('HTTP_CLIENT_IP'); |
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else if(getenv('HTTP_X_FORWARDED_FOR')) |
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return getenv('HTTP_X_FORWARDED_FOR'); |
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else if(getenv('HTTP_X_FORWARDED')) |
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return getenv('HTTP_X_FORWARDED'); |
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else if(getenv('HTTP_FORWARDED_FOR')) |
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return getenv('HTTP_FORWARDED_FOR'); |
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else if(getenv('HTTP_FORWARDED')) |
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return getenv('HTTP_FORWARDED'); |
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else if(getenv('REMOTE_ADDR')) |
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return getenv('REMOTE_ADDR'); |
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else |
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return '127.0.0.1'; // Unknown IP |
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} |
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/** |
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* parse url, try to correct errors and return valid url + display-url. |
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* |
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* @example http:/wwww.example.com/lorum.html => http://www.example.com/lorum.html |
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* @example gopher:/ww.example.com => gopher://www.example.com |
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* @example http:/www3.example.com/?q=asd&f=#asd =>http://www3.example.com/?q=asd&f=#asd |
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* @example asd://.example.com/folder/folder/ =>http://example.com/folder/folder/ |
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* @example .example.com/ => http://example.com/ |
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* @example example.com =>http://example.com |
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* @example subdomain.example.com => http://subdomain.example.com |
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* |
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* @param string $url Any somewhat valid url. |
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* @return string[] "url" contains an auto-corrected url. "url_display" host.tld or subdomain.host.tld |
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*/ |
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function url_parser($url) { |
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// multiple /// messes up parse_url, replace 3 or more with 2 |
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$url = preg_replace('/(\/{2,})/','//',$url); |
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$parse_url = parse_url($url); |
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if(empty($parse_url["scheme"])) { |
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$parse_url["scheme"] = "http"; |
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} |
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if(empty($parse_url["host"]) && !empty($parse_url["path"])) { |
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// Strip slash from the beginning of path |
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$parse_url["host"] = ltrim($parse_url["path"], '\/'); |
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$parse_url["path"] = ""; |
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} |
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$url_array = array("url" => "", "url_display" => ""); |
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// Check if scheme is correct |
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if(!in_array($parse_url["scheme"], array("http", "https", "gopher"))) { |
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$url_array["url"] .= 'http'.'://'; |
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} else { |
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$url_array["url"] .= $parse_url["scheme"].'://'; |
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} |
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// Check if the right amount of "www" is set. |
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$explode_host = explode(".", $parse_url["host"]); |
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// Remove empty entries |
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$explode_host = array_filter($explode_host); |
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// And reassign indexes |
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$explode_host = array_values($explode_host); |
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// Contains subdomain |
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if(count($explode_host) > 2) { |
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// Check if subdomain only contains the letter w(then not any other subdomain). |
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if(substr_count($explode_host[0], 'w') == strlen($explode_host[0])) { |
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// Replace with "www" to avoid "ww" or "wwww", etc. |
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$explode_host[0] = "www"; |
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} |
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} |
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$url_array["url"] .= implode(".",$explode_host); |
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$url_array["url_display"] = trim(implode(".",$explode_host), '\/'); // Removes trailing slash |
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if(!empty($parse_url["port"])) { |
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$url_array["url"] .= ":".$parse_url["port"]; |
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} |
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if(!empty($parse_url["path"])) { |
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$url_array["url"] .= $parse_url["path"]; |
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} |
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if(!empty($parse_url["query"])) { |
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$url_array["url"] .= '?'.$parse_url["query"]; |
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} |
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if(!empty($parse_url["fragment"])) { |
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$url_array["url"] .= '#'.$parse_url["fragment"]; |
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} |
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return $url_array; |
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} |
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} |
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.