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<?php |
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/** |
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* @license MIT |
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*/ |
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namespace Pivasic\Core; |
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/** |
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* Represents a HTTP response. |
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* |
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* Class Response |
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* @package Pivasic\Core |
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*/ |
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class Response |
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{ |
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/** |
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* Response constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->content = ''; |
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$this->is404 = true; |
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} |
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/** |
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* False if response body was set. |
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* @return bool |
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*/ |
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public function is404(): bool |
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{ |
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return $this->is404; |
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} |
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/** |
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* Send response. |
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*/ |
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public function send() |
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{ |
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echo $this->content; |
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if (function_exists('fastcgi_finish_request')) { |
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fastcgi_finish_request(); |
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} elseif ('cli' !== php_sapi_name()) { |
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$level = ob_get_level(); |
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if (0 < $level) { |
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$status = ob_get_status(true); |
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// PHP_OUTPUT_HANDLER_* are not defined on HHVM 3.3 |
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$flags = defined('PHP_OUTPUT_HANDLER_REMOVABLE') ? PHP_OUTPUT_HANDLER_REMOVABLE | PHP_OUTPUT_HANDLER_FLUSHABLE : -1; |
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while ($level-- > 0 && ($s = $status[$level]) && (!isset($s['del']) ? !isset($s['flags']) || $flags === ($s['flags'] & $flags) : $s['del'])) { |
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ob_end_flush(); |
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} |
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} |
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} |
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} |
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/** |
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* Set response body. |
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* |
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* @param string $content |
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*/ |
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public function setContent(string $content) |
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{ |
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$this->is404 = false; |
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$this->content = $content; |
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} |
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/** |
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* Set response header. |
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* |
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* @param string $name |
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* @param string $value |
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* @return bool |
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*/ |
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public function header(string $name, string $value): bool |
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{ |
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if (!empty($name) && !empty($value) && !headers_sent()) { |
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header($name . ': ' . $value); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @return bool |
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*/ |
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public function setContentTypeJson(): bool |
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{ |
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return $this->header('Content-Type', 'application/json; charset=utf-8'); |
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} |
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/** |
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* @return bool |
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*/ |
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public function setContentTypeXml(): bool |
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{ |
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return $this->header('Content-Type', 'text/xml; charset=utf-8'); |
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} |
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/** |
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* Set response status. |
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* |
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* @param int $statusCode - status |
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* @param string $version - HTTP version |
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* @param string $statusText - status text |
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* @return bool |
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*/ |
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public function setStatusCode(int $statusCode, string $version = '1.1', string $statusText = ''): bool |
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{ |
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if (!headers_sent()) { |
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$statusCode = intval($statusCode); |
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if ('' == $statusText) { |
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$statusTexts = [ |
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100 => 'Continue', |
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101 => 'Switching Protocols', |
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102 => 'Processing', // RFC2518 |
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200 => 'OK', |
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201 => 'Created', |
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202 => 'Accepted', |
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203 => 'Non-Authoritative Information', |
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204 => 'No Content', |
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205 => 'Reset Content', |
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206 => 'Partial Content', |
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207 => 'Multi-Status', // RFC4918 |
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208 => 'Already Reported', // RFC5842 |
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226 => 'IM Used', // RFC3229 |
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300 => 'Multiple Choices', |
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301 => 'Moved Permanently', |
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302 => 'Found', |
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303 => 'See Other', |
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304 => 'Not Modified', |
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305 => 'Use Proxy', |
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307 => 'Temporary Redirect', |
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308 => 'Permanent Redirect', // RFC7238 |
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400 => 'Bad Request', |
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401 => 'Unauthorized', |
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402 => 'Payment Required', |
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403 => 'Forbidden', |
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404 => 'Not Found', |
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405 => 'Method Not Allowed', |
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406 => 'Not Acceptable', |
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407 => 'Proxy Authentication Required', |
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408 => 'Request Timeout', |
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409 => 'Conflict', |
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410 => 'Gone', |
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411 => 'Length Required', |
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412 => 'Precondition Failed', |
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413 => 'Payload Too Large', |
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414 => 'URI Too Long', |
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415 => 'Unsupported Media Type', |
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416 => 'Range Not Satisfiable', |
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417 => 'Expectation Failed', |
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418 => 'I\'m a teapot', // RFC2324 |
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422 => 'Unprocessable Entity', // RFC4918 |
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423 => 'Locked', // RFC4918 |
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424 => 'Failed Dependency', // RFC4918 |
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425 => 'Reserved for WebDAV advanced collections expired proposal', // RFC2817 |
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426 => 'Upgrade Required', // RFC2817 |
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428 => 'Precondition Required', // RFC6585 |
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429 => 'Too Many Requests', // RFC6585 |
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431 => 'Request Header Fields Too Large', // RFC6585 |
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500 => 'Internal Server Error', |
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501 => 'Not Implemented', |
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502 => 'Bad Gateway', |
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503 => 'Service Unavailable', |
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504 => 'Gateway Timeout', |
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505 => 'HTTP Version Not Supported', |
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506 => 'Variant Also Negotiates (Experimental)', // RFC2295 |
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507 => 'Insufficient Storage', // RFC4918 |
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508 => 'Loop Detected', // RFC5842 |
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510 => 'Not Extended', // RFC2774 |
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511 => 'Network Authentication Required', // RFC6585 |
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]; |
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$statusText = $statusTexts[$statusCode]; |
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} |
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header(sprintf('HTTP/%s %s %s', $version, $statusCode, $statusText), true, $statusCode); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Redirect to url with statusCode and terminate. |
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* |
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* @param string $url |
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* @param int $statusCode |
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*/ |
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public function redirect(string $url = '', int $statusCode = 302) |
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{ |
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$this->is404 = false; |
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$server = filter_input_array(INPUT_SERVER); |
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if ('' == $url && isset($server['REQUEST_URI'])) { |
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$url = '/' . trim($server['REQUEST_URI'], '/'); |
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preg_match('/^[\\a-zA-Z0-9-\._~:\/\?\#\[\]\@\!\$\&\'\(\)\*\+\,\;\=%]*$/iD', $url, $match); |
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$url = $match[1] ?? ''; |
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} |
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if (!headers_sent()) { |
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header('Location: ' . $url, true, $statusCode); |
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} |
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echo sprintf('<!DOCTYPE html> |
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<html> |
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<head> |
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<meta charset="UTF-8" /> |
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<meta http-equiv="refresh" content="0;url=%1$s" /> |
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<title>Redirecting to %1$s</title> |
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</head> |
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<body> |
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<script type="text/javascript"> window.location.href = "%1$s"; </script> |
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Redirecting to <a href="%1$s">%1$s</a>. |
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</body> |
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</html>', htmlspecialchars($url, ENT_QUOTES, 'UTF-8')); |
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} |
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private $content; |
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private $is404; |
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} |
dspbee /
pivasic
