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<?php |
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use Xmf\Request; |
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ob_start(); |
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@set_time_limit(5); |
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@ini_set('memory_limit', '64M'); |
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@ini_set('display_errors', 'Off'); |
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error_reporting(0); |
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function print_error_page() |
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{ |
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$status_reason = [ |
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100 => 'Continue', |
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101 => 'Switching Protocols', |
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102 => 'Processing', |
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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', |
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226 => 'IM Used', |
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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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306 => 'Reserved', |
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307 => 'Temporary Redirect', |
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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 => 'Request Entity Too Large', |
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414 => 'Request-URI Too Long', |
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415 => 'Unsupported Media Type', |
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416 => 'Requested Range Not Satisfiable', |
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417 => 'Expectation Failed', |
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422 => 'Unprocessable Entity', |
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423 => 'Locked', |
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424 => 'Failed Dependency', |
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426 => 'Upgrade Required', |
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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', |
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507 => 'Insufficient Storage', |
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510 => 'Not Extended', |
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]; |
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$status_msg = [ |
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400 => 'Your browser sent a request that this server could not understand.', |
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401 => 'This server could not verify that you are authorized to access the document requested.', |
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402 => 'The server encountered an internal error or misconfiguration and was unable to complete your request.', |
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403 => "You don't have permission to access %U% on this server.", |
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404 => "We couldn't find <acronym title='%U%'>that uri</acronym> on our server, though it's most certainly not your fault.", |
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405 => 'The requested method is not allowed for the URL %U%.', |
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406 => 'An appropriate representation of the requested resource %U% could not be found on this server.', |
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407 => 'An appropriate representation of the requested resource %U% could not be found on this server.', |
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408 => 'Server timeout waiting for the HTTP request from the client.', |
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409 => 'The server encountered an internal error or misconfiguration and was unable to complete your request.', |
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410 => 'The requested resource %U% is no longer available on this server and there is no forwarding address. Please remove all references to this resource.', |
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411 => 'A request of the requested method GET requires a valid Content-length.', |
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412 => 'The precondition on the request for the URL %U% evaluated to false.', |
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413 => 'The requested resource %U% does not allow request data with GET requests, or the amount of data provided in the request exceeds the capacity limit.', |
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414 => "The requested URL's length exceeds the capacity limit for this server.", |
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415 => 'The supplied request data is not in a format acceptable for processing by this resource.', |
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416 => 'Requested Range Not Satisfiable', |
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417 => 'The expectation given in the Expect request-header field could not be met by this server. The client sent <code>Expect:</code>', |
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422 => 'The server understands the media type of the request entity, but was unable to process the contained instructions.', |
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423 => 'The requested resource is currently locked. The lock must be released or proper identification given before the method can be applied.', |
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424 => 'The method could not be performed on the resource because the requested action depended on another action and that other action failed.', |
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425 => 'The server encountered an internal error or misconfiguration and was unable to complete your request.', |
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426 => 'The requested resource can only be retrieved using SSL. Either upgrade your client, or try requesting the page using https://', |
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500 => 'The server encountered an internal error or misconfiguration and was unable to complete your request.', |
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501 => 'This type of request method to %U% is not supported.', |
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502 => 'The proxy server received an invalid response from an upstream server.', |
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503 => 'The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.', |
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504 => 'The proxy server did not receive a timely response from the upstream server.', |
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505 => 'The server encountered an internal error or misconfiguration and was unable to complete your request.', |
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506 => 'A variant for the requested resource <code>%U%</code> is itself a negotiable resource. This indicates a configuration error.', |
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507 => 'The method could not be performed. There is insufficient free space left in your storage allocation.', |
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510 => 'A mandatory extension policy in the request is not accepted by the server for this resource.', |
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]; |
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// Get the Status Code |
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if (Request::hasVar('REDIRECT_STATUS', 'SERVER') && (200 != $_SERVER['REDIRECT_STATUS'])) { |
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$sc = $_SERVER['REDIRECT_STATUS']; |
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} elseif (Request::hasVar('REDIRECT_REDIRECT_STATUS', 'SERVER') && (200 != $_SERVER['REDIRECT_REDIRECT_STATUS'])) { |
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$sc = $_SERVER['REDIRECT_REDIRECT_STATUS']; |
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} |
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$sc = ($_GET['error'] ?? 404); |
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$sc = abs($sc); |
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// Redirect to server home if called directly or if status is under 400 |
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if (((isset($_SERVER['REDIRECT_STATUS']) && 200 == $_SERVER['REDIRECT_STATUS']) && (3 == floor($sc / 100))) |
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|| (!isset($_GET['error']) && 200 == $_SERVER['REDIRECT_STATUS'])) { |
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@header("Location: http://{$_SERVER['SERVER_NAME']}", 1, 302); |
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exit(); |
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} |
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// Check range of code or issue 500 |
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if (($sc < 200) || ($sc > 599)) { |
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$sc = 500; |
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} |
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// Check for valid protocols or else issue 505 |
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if (!in_array($_SERVER['SERVER_PROTOCOL'], ['HTTP/1.0', 'HTTP/1.1', 'HTTP/0.9'])) { |
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$sc = 505; |
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} |
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// Get the status reason |
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$reason = ($status_reason[$sc] ?? ''); |
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// Get the status message |
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$msg = (isset($status_msg[$sc]) ? str_replace('%U%', htmlspecialchars(strip_tags(stripslashes($_SERVER['REQUEST_URI'])), ENT_QUOTES | ENT_HTML5), $status_msg[$sc]) : 'Error'); |
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// issue optimized headers (optimized for your server) |
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@header("{$_SERVER['SERVER_PROTOCOL']} {$sc} {$reason}", 1, $sc); |
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if ('cgi-fcgi' !== @php_sapi_name()) { |
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@header("Status: {$sc} {$reason}", 1, $sc); |
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} |
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// A very small footprint for certain types of 4xx class errors and all 5xx class errors |
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if (in_array($sc, [400, 403, 405]) || (5 == floor($sc / 100))) { |
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@header('Connection: close', 1); |
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if (405 == $sc) { |
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@header('Allow: GET,HEAD,POST,OPTIONS', 1, 405); |
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} |
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} |
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echo "<!DOCTYPE HTML>\n<html>"; |
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echo "<head>\n<title>{$sc} {$reason}</title>\n<h1>{$reason}</h1>\n<p>{$msg}<br>\n</p>\n"; |
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} |
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function askapache_global_debug() |
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{ |
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# http://www.php.net/manual/en/function.array-walk.php#100681 |
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global $_GET, $_POST, $_ENV, $_SERVER; |
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$g = ['_ENV', '_SERVER', '_GET', '_POST']; |
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array_walk_recursive( |
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$g, |
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create_function( |
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'$n', |
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'global $$n;if( !!$$n&&ob_start()&&(print "[ $"."$n ]\n")&&array_walk($$n, |
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create_function(\'$v,$k\', \'echo "[$k] => $v\n";\'))) echo "<"."p"."r"."e>".htmlspecialchars(ob_get_clean())."<"."/"."pr"."e>";' |
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) |
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); |
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} |
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print_error_page(); |
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//if($_SERVER['REMOTE_ADDR']=='youripaddress')askapache_global_debug(); |
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echo "</body>\n</html>"; |
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echo ob_get_clean(); |
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exit; |
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/* |
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### |
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# ErrorDocument: In the event of a problem or error, what the server will return to the client. URLs |
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# can begin with a / for local web-paths (relative to DocumentRoot), or be a full URL which the client |
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# can resolve. Alternatively, a message can be displayed. If a malformed request is detected, normal |
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# request processing will be immediately halted and the internal error message returned. |
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# |
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# Prior to version 2.0, messages were indicated by prefixing them with a |
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# single unmatched double quote character. |
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# |
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# The special value default can be used to specify Apache's simple hardcoded message and |
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# will restore Apache's simple hardcoded message. |
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# |
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ErrorDocument 400 /error.php?error=400 |
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ErrorDocument 401 /error.php?error=401 |
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ErrorDocument 402 /error.php?error=402 |
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ErrorDocument 403 /error.php?error=403 |
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ErrorDocument 404 /error.php?error=404 |
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ErrorDocument 405 /error.php?error=405 |
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ErrorDocument 406 /error.php?error=406 |
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ErrorDocument 407 /error.php?error=407 |
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ErrorDocument 408 /error.php?error=408 |
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ErrorDocument 409 /error.php?error=409 |
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ErrorDocument 410 /error.php?error=410 |
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ErrorDocument 411 /error.php?error=411 |
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ErrorDocument 412 /error.php?error=412 |
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ErrorDocument 413 /error.php?error=413 |
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ErrorDocument 414 /error.php?error=414 |
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ErrorDocument 415 /error.php?error=415 |
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ErrorDocument 416 /error.php?error=416 |
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ErrorDocument 417 /error.php?error=417 |
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ErrorDocument 422 /error.php?error=422 |
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ErrorDocument 423 /error.php?error=423 |
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ErrorDocument 424 /error.php?error=424 |
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ErrorDocument 426 /error.php?error=426 |
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ErrorDocument 500 /error.php?error=500 |
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ErrorDocument 501 /error.php?error=501 |
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ErrorDocument 502 /error.php?error=502 |
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ErrorDocument 503 /error.php?error=503 |
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ErrorDocument 504 /error.php?error=504 |
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ErrorDocument 505 /error.php?error=505 |
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ErrorDocument 506 /error.php?error=506 |
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ErrorDocument 507 /error.php?error=507 |
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ErrorDocument 510 /error.php?error=510 |
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*/ |
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