collapsePaths[] = preg_match('#(.+/vendor)/tracy/tracy/src/Tracy/BlueScreen$#', strtr(__DIR__, '\\', '/'), $m)
? $m[1]
: __DIR__;
}
/**
* Add custom panel as function (?\Throwable $e): ?array
* @return static
*/
public function addPanel(callable $panel): self
{
if (!in_array($panel, $this->panels, true)) {
$this->panels[] = $panel;
}
return $this;
}
/**
* Add action.
* @return static
*/
public function addAction(callable $action): self
{
$this->actions[] = $action;
return $this;
}
/**
* Renders blue screen.
*/
public function render(\Throwable $exception): void
{
if (Helpers::isAjax() && session_status() === PHP_SESSION_ACTIVE) {
$_SESSION['_tracy']['bluescreen'][$_SERVER['HTTP_X_TRACY_AJAX']] = [
'content' => Helpers::capture(function () use ($exception) {
$this->renderTemplate($exception, __DIR__ . '/assets/content.phtml');
}),
'time' => time(),
];
} else {
$this->renderTemplate($exception, __DIR__ . '/assets/page.phtml');
}
}
/**
* Renders blue screen to file (if file exists, it will not be overwritten).
*/
public function renderToFile(\Throwable $exception, string $file): bool
{
if ($handle = @fopen($file, 'x')) {
ob_start(); // double buffer prevents sending HTTP headers in some PHP
ob_start(function ($buffer) use ($handle): void { fwrite($handle, $buffer); }, 4096);
$this->renderTemplate($exception, __DIR__ . '/assets/page.phtml', false);
ob_end_flush();
ob_end_clean();
fclose($handle);
return true;
}
return false;
}
private function renderTemplate(\Throwable $exception, string $template, $toScreen = true): void
{
$messageHtml = Dumper::encodeString((string) $exception->getMessage(), self::MAX_MESSAGE_LENGTH);
$messageHtml = htmlspecialchars($messageHtml, ENT_SUBSTITUTE, 'UTF-8');
$messageHtml = preg_replace(
'#\'\S(?:[^\']|\\\\\')*\S\'|"\S(?:[^"]|\\\\")*\S"#',
'$0',
$messageHtml
);
$messageHtml = preg_replace_callback(
'#\w+\\\\[\w\\\\]+\w#',
function ($m) {
return class_exists($m[0], false) || interface_exists($m[0], false)
? '' . $m[0] . ''
: $m[0];
},
$messageHtml
);
$info = array_filter($this->info);
$source = Helpers::getSource();
$title = $exception instanceof \ErrorException
? Helpers::errorTypeToString($exception->getSeverity())
: Helpers::getClass($exception);
$lastError = $exception instanceof \ErrorException || $exception instanceof \Error ? null : error_get_last();
if (function_exists('apache_request_headers')) {
$httpHeaders = apache_request_headers();
} else {
$httpHeaders = array_filter($_SERVER, function ($k) { return strncmp($k, 'HTTP_', 5) === 0; }, ARRAY_FILTER_USE_KEY);
$httpHeaders = array_combine(array_map(function ($k) { return strtolower(strtr(substr($k, 5), '_', '-')); }, array_keys($httpHeaders)), $httpHeaders);
}
$snapshot = &$this->snapshot;
$snapshot = [];
$dump = $this->getDumper();
$css = array_map('file_get_contents', array_merge([
__DIR__ . '/assets/bluescreen.css',
__DIR__ . '/../Toggle/toggle.css',
__DIR__ . '/../TableSort/table-sort.css',
__DIR__ . '/../Dumper/assets/dumper.css',
], Debugger::$customCssFiles));
$css = preg_replace('#\s+#u', ' ', implode($css));
$nonce = $toScreen ? Helpers::getNonce() : null;
$actions = $toScreen ? $this->renderActions($exception) : [];
require $template;
}
/**
* @return \stdClass[]
*/
private function renderPanels(?\Throwable $ex): array
{
$obLevel = ob_get_level();
$res = [];
foreach ($this->panels as $callback) {
try {
$panel = $callback($ex);
if (empty($panel['tab']) || empty($panel['panel'])) {
continue;
}
$res[] = (object) $panel;
continue;
} catch (\Throwable $e) {
}
while (ob_get_level() > $obLevel) { // restore ob-level if broken
ob_end_clean();
}
is_callable($callback, true, $name);
$res[] = (object) [
'tab' => "Error in panel $name",
'panel' => nl2br(Helpers::escapeHtml($e)),
];
}
return $res;
}
/**
* @return array[]
*/
private function renderActions(\Throwable $ex): array
{
$actions = [];
foreach ($this->actions as $callback) {
$action = $callback($ex);
if (!empty($action['link']) && !empty($action['label'])) {
$actions[] = $action;
}
}
if (property_exists($ex, 'tracyAction') && !empty($ex->tracyAction['link']) && !empty($ex->tracyAction['label'])) {
$actions[] = $ex->tracyAction;
}
if (preg_match('# ([\'"])(\w{3,}(?:\\\\\w{3,})+)\1#i', $ex->getMessage(), $m)) {
$class = $m[2];
if (
!class_exists($class) && !interface_exists($class) && !trait_exists($class)
&& ($file = Helpers::guessClassFile($class)) && !is_file($file)
) {
$actions[] = [
'link' => Helpers::editorUri($file, 1, 'create'),
'label' => 'create class',
];
}
}
if (preg_match('# ([\'"])((?:/|[a-z]:[/\\\\])\w[^\'"]+\.\w{2,5})\1#i', $ex->getMessage(), $m)) {
$file = $m[2];
$actions[] = [
'link' => Helpers::editorUri($file, 1, $label = is_file($file) ? 'open' : 'create'),
'label' => $label . ' file',
];
}
$query = ($ex instanceof \ErrorException ? '' : Helpers::getClass($ex) . ' ')
. preg_replace('#\'.*\'|".*"#Us', '', $ex->getMessage());
$actions[] = [
'link' => 'https://www.google.com/search?sourceid=tracy&q=' . urlencode($query),
'label' => 'search',
'external' => true,
];
if (
$ex instanceof \ErrorException
&& !empty($ex->skippable)
&& preg_match('#^https?://#', $source = Helpers::getSource())
) {
$actions[] = [
'link' => $source . (strpos($source, '?') ? '&' : '?') . '_tracy_skip_error',
'label' => 'skip error',
];
}
return $actions;
}
/**
* Returns syntax highlighted source code.
*/
public static function highlightFile(string $file, int $line, int $lines = 15, array $vars = [], array $keysToHide = []): ?string
{
$source = @file_get_contents($file); // @ file may not exist
if ($source) {
$source = static::highlightPhp($source, $line, $lines, $vars, $keysToHide);
if ($editor = Helpers::editorUri($file, $line)) {
$source = substr_replace($source, ' data-tracy-href="' . Helpers::escapeHtml($editor) . '"', 4, 0);
}
return $source;
}
}
/**
* Returns syntax highlighted source code.
*/
public static function highlightPhp(string $source, int $line, int $lines = 15, array $vars = [], array $keysToHide = []): string
{
if (function_exists('ini_set')) {
ini_set('highlight.comment', '#998; font-style: italic');
ini_set('highlight.default', '#000');
ini_set('highlight.html', '#06B');
ini_set('highlight.keyword', '#D24; font-weight: bold');
ini_set('highlight.string', '#080');
}
$source = str_replace(["\r\n", "\r"], "\n", $source);
$source = explode("\n", highlight_string($source, true));
$out = $source[0]; //
$source = str_replace('
', "\n", $source[1]);
$out .= static::highlightLine($source, $line, $lines);
if ($vars) {
$out = preg_replace_callback('#">\$(\w+)( )?#', function (array $m) use ($vars, $keysToHide): string {
if (array_key_exists($m[1], $vars)) {
$dump = Dumper::toHtml($vars[$m[1]], [
Dumper::DEPTH => 1,
Dumper::KEYS_TO_HIDE => $keysToHide,
]);
return '" title="' . str_replace('"', '"', trim(strip_tags($dump))) . $m[0];
}
return $m[0];
}, $out);
}
$out = str_replace(' ', ' ', $out);
return "$out
";
}
/**
* Returns highlighted line in HTML code.
*/
public static function highlightLine(string $html, int $line, int $lines = 15): string
{
$source = explode("\n", "\n" . str_replace("\r\n", "\n", $html));
$out = '';
$spans = 1;
$start = $i = max(1, min($line, count($source) - 1) - (int) floor($lines * 2 / 3));
while (--$i >= 1) { // find last highlighted block
if (preg_match('#.*(]*>)#', $source[$i], $m)) {
if ($m[1] !== '') {
$spans++;
$out .= $m[1];
}
break;
}
}
$source = array_slice($source, $start, $lines, true);
end($source);
$numWidth = strlen((string) key($source));
foreach ($source as $n => $s) {
$spans += substr_count($s, ']+>#', $s, $tags);
if ($n == $line) {
$out .= sprintf(
"%{$numWidth}s: %s\n%s",
$n,
strip_tags($s),
implode('', $tags[0])
);
} else {
$out .= sprintf("%{$numWidth}s: %s\n", $n, $s);
}
}
$out .= str_repeat('', $spans) . '';
return $out;
}
/**
* Should a file be collapsed in stack trace?
*/
public function isCollapsed(string $file): bool
{
$file = strtr($file, '\\', '/') . '/';
foreach ($this->collapsePaths as $path) {
$path = strtr($path, '\\', '/') . '/';
if (strncmp($file, $path, strlen($path)) === 0) {
return true;
}
}
return false;
}
public function getDumper(): \Closure
{
$keysToHide = array_flip(array_map('strtolower', $this->keysToHide));
return function ($v, $k = null) use ($keysToHide): string {
if (is_string($k) && isset($keysToHide[strtolower($k)])) {
$v = Dumper::HIDDEN_VALUE;
}
return Dumper::toHtml($v, [
Dumper::DEPTH => $this->maxDepth,
Dumper::TRUNCATE => $this->maxLength,
Dumper::SNAPSHOT => &$this->snapshot,
Dumper::LOCATION => Dumper::LOCATION_CLASS,
Dumper::KEYS_TO_HIDE => $this->keysToHide,
]);
};
}
}