public static Error::formatBacktrace(array $backtrace)
Formats a backtrace into a plain-text string.
The calls show values for scalar arguments and type names for complex ones.
Parameters
array $backtrace: A standard PHP backtrace.
Return value
string A plain-text line-wrapped string ready to be put inside <pre>.
File
- core/lib/Drupal/Core/Utility/Error.php, line 151
Class
- Error
- Drupal error utility class.
Namespace
Drupal\Core\Utility
Code
public static function formatBacktrace(array $backtrace) {
$return = '';
foreach ($backtrace as $trace) {
$call = array('function' => '', 'args' => array());
if (isset($trace['class'])) {
$call['function'] = $trace['class'] . $trace['type'] . $trace['function'];
}
elseif (isset($trace['function'])) {
$call['function'] = $trace['function'];
}
else {
$call['function'] = 'main';
}
if (isset($trace['args'])) {
foreach ($trace['args'] as $arg) {
if (is_scalar($arg)) {
$call['args'][] = is_string($arg) ? '\'' . Xss::filter($arg) . '\'' : $arg;
}
else {
$call['args'][] = ucfirst(gettype($arg));
}
}
}
$line = '';
if (isset($trace['line'])) {
$line = " (Line: {$trace['line']})";
}
$return .= $call['function'] . '(' . implode(', ', $call['args']) . ")$line\n";
}
return $return;
}
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