fileLine = $this->getFileAndLine($step); $this->argumentNames = $this->getStepArgumentNames($step); $this->functionName = $this->getStepFunctionName($step, $this->argumentNames); if ($this->isStepBlacklisted($step, $stepNumber)) { $this->isBlackListed = true; return; } // todo it's possible to parse the object name out from the source!!! $this->object = $this->getObject($step); $this->sourceSnippet = $this->getSourceSnippet($step); $this->arguments = $this->getArguments($step, $this->argumentNames); } private function isStepBlacklisted($step, $stepNumber) { if (! Sage::$maxLevels) { return false; } if (! isset($step['file'])) { return false; } if ($stepNumber < Sage::$minimumTraceStepsToShowFull) { return false; } foreach (Sage::$traceBlacklist as $blacklistedPath) { if (preg_match($blacklistedPath, $step['file'])) { return true; } } return false; } private function getFileAndLine($step) { if (! isset($step['file'])) { return 'PHP internal call'; } return SageHelper::ideLink($step['file'], $step['line']); } private function getStepArgumentNames($step) { if (empty($step['args']) || empty($step['function'])) { return array(); } $function = $step['function']; if (in_array($function, array('include', 'include_once', 'require', 'require_once'))) { return array(''); } $reflection = null; if (isset($step['class'])) { if (method_exists($step['class'], $function)) { $reflection = new ReflectionMethod($step['class'], $function); } } elseif (function_exists($function)) { $reflection = new ReflectionFunction($function); } $params = $reflection ? $reflection->getParameters() : null; $names = array(); foreach ($step['args'] as $i => $arg) { if (isset($params[$i])) { $names[] = '$' . $params[$i]->name; } else { $names[] = '#' . ($i + 1); } } return $names; } private function getStepFunctionName($step, $functionNames) { if (empty($step['function'])) { return ''; } $function = $step['function']; if ($function && isset($step['class'])) { $function = $step['class'] . $step['type'] . $function; } return $function . '(' . implode(', ', $functionNames) . ')'; } private function getObject($step) { if (! isset($step['object'])) { return null; } return SageParser::process($step['object']); } private function getSourceSnippet($step) { if ( empty($step['file']) || ! isset($step['line']) || Sage::enabled() !== Sage::MODE_RICH || ! is_readable($step['file']) ) { return null; } // open the file and set the line position $file = fopen($step['file'], 'r'); $line = $step['line']; $readingLine = 0; // Set the reading range $range = array( 'start' => $line - 7, 'end' => $line + 7, ); // set the zero-padding amount for line numbers $format = '% ' . strlen($range['end']) . 'd'; $source = ''; while (($row = fgets($file)) !== false) { // increment the line number if (++$readingLine > $range['end']) { break; } if ($readingLine >= $range['start']) { $row = SageHelper::esc($row); $row = '' . sprintf($format, $readingLine) . ' ' . $row; if ($readingLine === (int)$line) { // apply highlighting to this row $row = '

' . $row . '

'; } else { $row = '

' . $row . '

'; } $source .= $row; } } fclose($file); return $source; } private function getArguments($step, $argumentNames) { $result = array(); foreach ($this->getRawArguments($step) as $k => $variable) { $name = isset($argumentNames[$k]) ? $argumentNames[$k] : ''; if (SageHelper::isKeyBlacklisted($name)) { $variable = '*REDACTED*'; } $parsed = SageParser::process($variable, $argumentNames[$k]); $parsed->operator = substr($name, 0, 1) === '$' ? '=' : ':'; $result[] = $parsed; } return $result; } private function getRawArguments($step) { if ( ! empty($step['args']) && in_array($step['function'], array('include', 'include_once', 'require', 'require_once'), true) ) { // sanitize the included file path return array(SageHelper::shortenPath($step['args'][0])); } return isset($step['args']) ? $step['args'] : array(); } }