mirror of
https://github.com/silverstripe/silverstripe-framework
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(merged from branches/roa. use "svn log -c <changeset> -g <module-svn-path>" for detailed commit message)
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@60230 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer
parent
e033d105f6
commit
0362276b67
144
dev/Debug.php
144
dev/Debug.php
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@ -1,4 +1,10 @@
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<?php
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/**
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* @package sapphire
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* @subpackage core
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*/
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/**
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* Supports debugging and core error handling.
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*
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@ -26,7 +32,6 @@
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*
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* Currently, only Friendly, Fatal, and Emailer handlers are implemented.
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*
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* @todo make sure these doc comments are synced with tickets in trac
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* @todo port header/footer wrapping code to external reporter class
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* @todo add support for user defined config: Debug::die_on_notice(true | false)
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* @todo add appropriate handling for E_NOTICE and E_USER_NOTICE levels
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@ -82,6 +87,11 @@ class Debug {
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ob_end_clean();
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}
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/**
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* Close out the show dumper
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*
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* @param mixed $val
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*/
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static function endshow($val) {
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if(!Director::isLive()) {
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$caller = Debug::caller();
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@ -91,12 +101,25 @@ class Debug {
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}
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}
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/**
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* Quick dump of a variable.
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*
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* @param mixed $val
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*/
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static function dump($val) {
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echo '<pre style="background-color:#ccc;padding:5px;">';
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$caller = Debug::caller();
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echo "<span style=\"font-size: 60%\">Line $caller[line] of " . basename($caller['file']) . "</span>\n";
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print_r($val);
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echo '</pre>';
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}
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/**
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* ??
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*
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* @param unknown_type $val
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* @return unknown
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*/
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static function text($val) {
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if(is_object($val)) {
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if(method_exists($val, 'hasMethod')) {
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@ -145,18 +168,25 @@ class Debug {
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}
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}
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}
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/**
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* Load an error handler
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* Load error handlers into environment
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*/
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static function loadErrorHandlers() {
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Debug::loadFatalErrorHandler();
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//set_error_handler('errorHandler', (E_ALL ^ E_NOTICE) ^ E_USER_NOTICE);
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set_error_handler('errorHandler', E_ALL);
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set_exception_handler('exceptionHandler');
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}
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/**
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* Handle a non-fatal warning error thrown by PHP interpreter.
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*
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* @param unknown_type $errno
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* @param unknown_type $errstr
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* @param unknown_type $errfile
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* @param unknown_type $errline
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* @param unknown_type $errcontext
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*/
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static function warningHandler($errno, $errstr, $errfile, $errline, $errcontext) {
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if(error_reporting() == 0) return;
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if(self::$send_warnings_to) self::emailError(self::$send_warnings_to, $errno, $errstr, $errfile, $errline, $errcontext, "Warning");
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@ -166,6 +196,17 @@ class Debug {
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}
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}
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/**
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* Handle a fatal error, depending on the mode of the site (ie: Dev, Test, or Live).
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*
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* Runtime execution dies immediately once the error is generated.
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*
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* @param unknown_type $errno
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* @param unknown_type $errstr
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* @param unknown_type $errfile
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* @param unknown_type $errline
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* @param unknown_type $errcontext
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*/
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static function fatalHandler($errno, $errstr, $errfile, $errline, $errcontext) {
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if(self::$send_errors_to) self::emailError(self::$send_errors_to, $errno, $errstr, $errfile, $errline, $errcontext, "Error");
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@ -177,6 +218,17 @@ class Debug {
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}
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die();
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}
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/**
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* Render a user-facing error page, using the default HTML error template
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* if it exists.
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*
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* @param unknown_type $errno
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* @param unknown_type $errstr
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* @param unknown_type $errfile
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* @param unknown_type $errline
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* @param unknown_type $errcontext
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*/
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static function friendlyError($errno, $errstr, $errfile, $errline, $errcontext) {
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header("HTTP/1.0 500 Internal server error");
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@ -192,13 +244,23 @@ class Debug {
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}
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}
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/**
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* Render a developer facing error page, showing the stack trace and details
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* of the code where the error occured.
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*
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* @param unknown_type $errno
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* @param unknown_type $errstr
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* @param unknown_type $errfile
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* @param unknown_type $errline
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* @param unknown_type $errcontext
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*/
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static function showError($errno, $errstr, $errfile, $errline, $errcontext) {
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if(!headers_sent()) header("HTTP/1.0 500 Internal server error");
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if(Director::is_ajax()) {
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echo "ERROR:Error $errno: $errstr\n At l$errline in $errfile\n";
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Debug::backtrace();
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} else {
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$reporter = new DebugView();
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$reporter = new DebugReporter();
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$reporter->writeHeader();
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echo '<div class="info">';
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echo "<h1>" . strip_tags($errstr) . "</h1>";
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@ -207,7 +269,7 @@ class Debug {
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echo '</div>';
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echo '<div class="trace"><h3>Source</h3>';
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Debug::showLines($errfile, $errline);
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echo '</pre><h3>Trace</h3>';
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echo '<h3>Trace</h3>';
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Debug::backtrace();
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echo '</div>';
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$reporter->writeFooter();
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@ -215,6 +277,13 @@ class Debug {
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}
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}
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/**
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* Utility method to render a snippet of PHP source code, from selected file
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* and highlighting the given line number.
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*
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* @param string $errfile
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* @param int $errline
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*/
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static function showLines($errfile, $errline) {
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$lines = file($errfile);
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$offset = $errline-10;
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@ -233,6 +302,17 @@ class Debug {
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echo '</pre>';
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}
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/**
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* Dispatch an email notification message when an error is triggered.
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*
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* @param unknown_type $emailAddress
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* @param unknown_type $errno
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* @param unknown_type $errstr
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* @param unknown_type $errfile
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* @param unknown_type $errline
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* @param unknown_type $errcontext
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* @param unknown_type $errorType
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*/
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static function emailError($emailAddress, $errno, $errstr, $errfile, $errline, $errcontext, $errorType = "Error") {
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if(strtolower($errorType) == 'warning') {
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$colour = "orange";
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return $caller;
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}
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/**
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* Render or return a backtrace from the given scope.
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*
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* @param unknown_type $returnVal
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* @param unknown_type $ignoreAjax
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* @return unknown
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*/
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static function backtrace($returnVal = false, $ignoreAjax = false) {
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$bt = debug_backtrace();
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die();
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}
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}
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/**
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* Generic callback, to catch uncaught exceptions when they bubble up to the top of the call chain.
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*
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* @ignore
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* @param unknown_type $exception
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*/
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function exceptionHandler($exception) {
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$errno = E_USER_ERROR;
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$type = get_class($exception);
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Debug::fatalHandler($errno, $message, $file, $line, $context);
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}
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/**
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* Generic callback to catch standard PHP runtime errors thrown by the interpreter
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* or manually triggered with the user_error function.
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*
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* @ignore
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* @param unknown_type $errno
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* @param unknown_type $errstr
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* @param unknown_type $errfile
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* @param unknown_type $errline
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* @param unknown_type $errcontext
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*/
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function errorHandler($errno, $errstr, $errfile, $errline, $errcontext) {
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switch($errno) {
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case E_ERROR:
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}
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/**
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* Interface for rendering a debug info report.
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*
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* Interface for stylish rendering of a debug info report.
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*/
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class DebugReporter {
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interface DebugReporter {
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/**
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* Render HTML markup for the header/top segment of debug report.
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*/
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abstract function writeHeader();
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/**
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* Render HTML markup for the footer and closing tags of debug report.
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*/
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abstract function writeFooter();
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}
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/**
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* Concrete class to render a Sapphire specific wrapper design
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* for developer errors, task runner, and test runner.
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*/
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class SapphireDebugReporter implements DebugReporter {
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function writeHeader() {
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echo '<!DOCTYPE html><html><head><title>'. $_SERVER['REQUEST_METHOD'] . ' ' .$_SERVER['REQUEST_URI'] .'</title>';
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}
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?>
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?>
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