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<?php |
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namespace Xicrow\PhpDebug; |
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/** |
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* Class Debugger |
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* |
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* @package Xicrow\PhpDebug |
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*/ |
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class Debugger { |
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/** |
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* @var string|null |
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*/ |
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public static $documentRoot = null; |
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/** |
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* @var bool |
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*/ |
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public static $showCalledFrom = true; |
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/** |
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* @var bool |
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*/ |
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public static $output = true; |
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/** |
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* @param string $data |
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* @param array $options |
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* |
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* @codeCoverageIgnore |
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*/ |
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public static function output($data, array $options = []) { |
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$options = array_merge([ |
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'trace_offset' => 0, |
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], $options); |
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if (!self::$output || !is_string($data)) { |
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return; |
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} |
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if (php_sapi_name() == 'cli') { |
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echo str_pad(' DEBUG ', 100, '-', STR_PAD_BOTH); |
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echo "\n"; |
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if (self::$showCalledFrom) { |
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echo self::getCalledFrom($options['trace_offset'] + 2); |
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echo "\n"; |
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} |
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echo $data; |
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echo "\n"; |
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} else { |
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if (self::$showCalledFrom) { |
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echo '<pre style="margin-bottom: 0; padding: 5px; font-family: Menlo, Monaco, Consolas, monospace; font-weight: normal; font-size: 12px; background-color: #18171B; color: #AAAAAA;">'; |
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echo self::getCalledFrom($options['trace_offset'] + 2); |
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echo '</pre>'; |
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} |
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echo '<pre style="margin-top: 0; padding: 5px; font-family: Menlo, Monaco, Consolas, monospace; font-weight: bold; font-size: 12px; background-color: #18171B; color: #FF8400;">'; |
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echo $data; |
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echo '</pre>'; |
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} |
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} |
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/** |
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* @param mixed $data |
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* @param array $options |
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* |
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* @codeCoverageIgnore |
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*/ |
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public static function debug($data, array $options = []) { |
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$options = array_merge([ |
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'trace_offset' => 0, |
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], $options); |
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self::output(self::getDebugInformation($data), $options); |
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} |
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/** |
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* @param array $options |
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* |
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* @codeCoverageIgnore |
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*/ |
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public static function showTrace(array $options = []) { |
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$options = array_merge([ |
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'trace_offset' => 0, |
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'reverse' => false, |
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], $options); |
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$backtrace = ($options['reverse'] ? array_reverse(debug_backtrace()) : debug_backtrace()); |
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$output = ''; |
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$traceIndex = ($options['reverse'] ? 1 : count($backtrace)); |
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foreach ($backtrace as $trace) { |
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$output .= $traceIndex . ': '; |
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$output .= self::getCalledFromTrace($trace); |
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$output .= "\n"; |
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$traceIndex += ($options['reverse'] ? 1 : -1); |
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} |
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self::output($output); |
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} |
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/** |
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* @param string $class |
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* @param bool $output |
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* |
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* @return string |
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*/ |
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public static function reflectClass($class, $output = true) { |
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$data = ''; |
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$reflectionClass = new \ReflectionClass($class); |
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$comment = $reflectionClass->getDocComment(); |
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if (!empty($comment)) { |
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$data .= $comment; |
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$data .= "\n"; |
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} |
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$data .= 'class ' . $reflectionClass->name . '{'; |
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$firstElement = true; |
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foreach ($reflectionClass->getProperties() as $reflectionProperty) { |
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if (!$firstElement) { |
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$data .= "\n"; |
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} |
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$firstElement = false; |
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$data .= self::reflectClassProperty($class, $reflectionProperty->name, false); |
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} |
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foreach ($reflectionClass->getMethods() as $reflectionMethod) { |
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if (!$firstElement) { |
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$data .= "\n"; |
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} |
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$firstElement = false; |
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$data .= self::reflectClassMethod($class, $reflectionMethod->name, false); |
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} |
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$data .= "\n"; |
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$data .= '}'; |
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if ($output) { |
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self::output($data); |
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} |
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return $data; |
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} |
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/** |
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* @param string $class |
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* @param string $property |
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* |
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* @return string |
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*/ |
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public static function reflectClassProperty($class, $property, $output = true) { |
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$data = ''; |
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$reflectionClass = new \ReflectionClass($class); |
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$reflectionProperty = new \ReflectionProperty($class, $property); |
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$defaultPropertyValues = $reflectionClass->getDefaultProperties(); |
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$comment = $reflectionProperty->getDocComment(); |
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if (!empty($comment)) { |
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$data .= "\n"; |
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$data .= "\t"; |
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$data .= $comment; |
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} |
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$data .= "\n"; |
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$data .= "\t"; |
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$data .= ($reflectionProperty->isPublic() ? 'public ' : ''); |
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$data .= ($reflectionProperty->isPrivate() ? 'private ' : ''); |
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$data .= ($reflectionProperty->isProtected() ? 'protected ' : ''); |
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$data .= ($reflectionProperty->isStatic() ? 'static ' : ''); |
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$data .= '$' . $reflectionProperty->name; |
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if (isset($defaultPropertyValues[$property])) { |
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$data .= ' = ' . self::getDebugInformation($defaultPropertyValues[$property]); |
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} |
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$data .= ';'; |
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if ($output) { |
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self::output($data); |
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} |
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return $data; |
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} |
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/** |
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* @param string $class |
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* @param string $method |
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* |
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* @return string |
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*/ |
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public static function reflectClassMethod($class, $method, $output = true) { |
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$data = ''; |
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$reflectionMethod = new \ReflectionMethod($class, $method); |
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$comment = $reflectionMethod->getDocComment(); |
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if (!empty($comment)) { |
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$data .= "\n"; |
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$data .= "\t"; |
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$data .= $comment; |
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} |
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$data .= "\n"; |
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$data .= "\t"; |
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$data .= ($reflectionMethod->isPublic() ? 'public ' : ''); |
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$data .= ($reflectionMethod->isPrivate() ? 'private ' : ''); |
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$data .= ($reflectionMethod->isProtected() ? 'protected ' : ''); |
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$data .= ($reflectionMethod->isStatic() ? 'static ' : ''); |
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$data .= 'function ' . $reflectionMethod->name . '('; |
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if ($reflectionMethod->getNumberOfParameters()) { |
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foreach ($reflectionMethod->getParameters() as $reflectionMethodParameterIndex => $reflectionMethodParameter) { |
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$data .= ($reflectionMethodParameterIndex > 0 ? ', ' : ''); |
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$data .= '$' . $reflectionMethodParameter->name; |
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if ($reflectionMethodParameter->isDefaultValueAvailable()) { |
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$defaultValue = self::getDebugInformation($reflectionMethodParameter->getDefaultValue()); |
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$defaultValue = str_replace(["\n", "\t"], '', $defaultValue); |
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$data .= ' = ' . $defaultValue; |
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} |
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} |
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} |
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$data .= ') {}'; |
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if ($output) { |
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self::output($data); |
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} |
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return $data; |
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} |
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/** |
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* @param int $index |
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* |
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* @return string |
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*/ |
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public static function getCalledFrom($index = 0) { |
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$backtrace = debug_backtrace(); |
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1 |
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if (!isset($backtrace[$index])) { |
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return 'Unknown trace with index: ' . $index; |
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} |
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return self::getCalledFromTrace($backtrace[$index]); |
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} |
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/** |
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* @param array $trace |
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* |
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* @return string |
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*/ |
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1 |
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public static function getCalledFromTrace($trace) { |
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// Get file and line number |
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1 |
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$calledFromFile = ''; |
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1 |
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if (isset($trace['file'])) { |
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1 |
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$calledFromFile .= $trace['file'] . ' line ' . $trace['line']; |
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$calledFromFile = str_replace('\\', '/', $calledFromFile); |
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$calledFromFile = (!empty(self::$documentRoot) ? substr($calledFromFile, strlen(self::$documentRoot)) : $calledFromFile); |
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$calledFromFile = trim($calledFromFile, '/'); |
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1 |
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} |
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262
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// Get function call |
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1 |
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$calledFromFunction = ''; |
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1 |
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if (isset($trace['function'])) { |
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1 |
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$calledFromFunction .= (isset($trace['class']) ? $trace['class'] : ''); |
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1 |
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$calledFromFunction .= (isset($trace['type']) ? $trace['type'] : ''); |
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267
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1 |
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$calledFromFunction .= $trace['function'] . '()'; |
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1 |
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} |
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269
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270
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// Return called from |
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1 |
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if ($calledFromFile) { |
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1 |
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return $calledFromFile; |
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273
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1 |
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} elseif ($calledFromFunction) { |
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1 |
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return $calledFromFunction; |
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} else { |
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276
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return 'Unable to get called from trace'; |
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277
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} |
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278
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} |
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279
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280
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/** |
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281
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* @param mixed $data |
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282
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* |
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283
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* @return string |
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284
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*/ |
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285
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1 |
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public static function getDebugInformation($data, array $options = []) { |
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286
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1 |
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$options = array_merge([ |
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287
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1 |
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'depth' => 25, |
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288
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1 |
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'indent' => 0, |
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289
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1 |
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], $options); |
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290
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291
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1 |
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$dataType = gettype($data); |
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292
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293
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1 |
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$methodName = 'getDebugInformation' . ucfirst(strtolower($dataType)); |
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294
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295
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1 |
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$result = 'No method found supporting data type: ' . $dataType; |
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296
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1 |
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if ($dataType == 'string') { |
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297
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1 |
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if (php_sapi_name() == 'cli') { |
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298
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1 |
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$result = '"' . (string) $data . '"'; |
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299
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1 |
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} else { |
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300
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$result = htmlentities($data); |
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301
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if ($data !== '' && $result === '') { |
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302
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$result = htmlentities(utf8_encode($data)); |
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303
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} |
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304
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305
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$result = '<span style="color: #1299DA;">"</span>' . (string) $result . '<span style="color: #1299DA;">"</span>'; |
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306
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} |
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307
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1 |
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} elseif (method_exists('\Xicrow\PhpDebug\Debugger', $methodName)) { |
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308
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1 |
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$result = (string) self::$methodName($data, [ |
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309
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1 |
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'depth' => ($options['depth'] - 1), |
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310
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1 |
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'indent' => ($options['indent'] + 1), |
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311
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1 |
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]); |
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312
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1 |
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} |
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313
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314
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1 |
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return $result; |
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315
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} |
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316
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317
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/** |
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318
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* @return string |
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319
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*/ |
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320
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1 |
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private static function getDebugInformationNull() { |
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321
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1 |
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return 'NULL'; |
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322
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} |
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323
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|
324
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/** |
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325
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* @param boolean $data |
|
326
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* |
|
327
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* @return string |
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328
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*/ |
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329
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1 |
|
private static function getDebugInformationBoolean($data) { |
|
330
|
1 |
|
return ($data ? 'TRUE' : 'FALSE'); |
|
331
|
|
|
} |
|
332
|
|
|
|
|
333
|
|
|
/** |
|
334
|
|
|
* @param integer $data |
|
335
|
|
|
* |
|
336
|
|
|
* @return string |
|
337
|
|
|
*/ |
|
338
|
1 |
|
private static function getDebugInformationInteger($data) { |
|
339
|
1 |
|
return (string) $data; |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
|
|
/** |
|
343
|
|
|
* @param double $data |
|
344
|
|
|
* |
|
345
|
|
|
* @return string |
|
346
|
|
|
*/ |
|
347
|
1 |
|
private static function getDebugInformationDouble($data) { |
|
348
|
1 |
|
return (string) $data; |
|
349
|
|
|
} |
|
350
|
|
|
|
|
351
|
|
|
/** |
|
352
|
|
|
* @param array $data |
|
353
|
|
|
* |
|
354
|
|
|
* @return string |
|
355
|
|
|
*/ |
|
356
|
1 |
|
private static function getDebugInformationArray($data, array $options = []) { |
|
357
|
1 |
|
$options = array_merge([ |
|
358
|
1 |
|
'depth' => 25, |
|
359
|
1 |
|
'indent' => 0, |
|
360
|
1 |
|
], $options); |
|
361
|
|
|
|
|
362
|
1 |
|
$debugInfo = "["; |
|
363
|
|
|
|
|
364
|
1 |
|
$break = $end = null; |
|
365
|
1 |
|
if (!empty($data)) { |
|
366
|
1 |
|
$break = "\n" . str_repeat("\t", $options['indent']); |
|
367
|
1 |
|
$end = "\n" . str_repeat("\t", $options['indent'] - 1); |
|
368
|
1 |
|
} |
|
369
|
|
|
|
|
370
|
1 |
|
$datas = []; |
|
371
|
1 |
|
if ($options['depth'] >= 0) { |
|
372
|
1 |
|
foreach ($data as $key => $val) { |
|
373
|
|
|
// Sniff for globals as !== explodes in < 5.4 |
|
374
|
1 |
|
if ($key === 'GLOBALS' && is_array($val) && isset($val['GLOBALS'])) { |
|
375
|
|
|
$val = '[recursion]'; |
|
376
|
1 |
|
} elseif ($val !== $data) { |
|
377
|
1 |
|
$val = static::getDebugInformation($val, $options); |
|
378
|
1 |
|
} |
|
379
|
1 |
|
$datas[] = $break . static::getDebugInformation($key) . ' => ' . $val; |
|
380
|
1 |
|
} |
|
381
|
1 |
|
} else { |
|
382
|
|
|
$datas[] = $break . '[maximum depth reached]'; |
|
383
|
|
|
} |
|
384
|
|
|
|
|
385
|
1 |
|
return $debugInfo . implode(',', $datas) . $end . ']'; |
|
386
|
|
|
} |
|
387
|
|
|
|
|
388
|
|
|
/** |
|
389
|
|
|
* @param object $data |
|
390
|
|
|
* |
|
391
|
|
|
* @return string |
|
392
|
|
|
*/ |
|
393
|
1 |
|
private static function getDebugInformationObject($data, array $options = []) { |
|
394
|
1 |
|
$options = array_merge([ |
|
395
|
1 |
|
'depth' => 25, |
|
396
|
1 |
|
'indent' => 0, |
|
397
|
1 |
|
], $options); |
|
398
|
|
|
|
|
399
|
1 |
|
$debugInfo = ''; |
|
400
|
1 |
|
$debugInfo .= 'object(' . get_class($data) . ') {'; |
|
401
|
|
|
|
|
402
|
1 |
|
$break = "\n" . str_repeat("\t", $options['indent']); |
|
403
|
1 |
|
$end = "\n" . str_repeat("\t", $options['indent'] - 1); |
|
404
|
|
|
|
|
405
|
1 |
|
if ($options['depth'] > 0 && method_exists($data, '__debugInfo')) { |
|
406
|
|
|
try { |
|
407
|
|
|
$debugArray = static::getDebugInformationArray($data->__debugInfo(), array_merge($options, [ |
|
|
|
|
|
|
408
|
|
|
'depth' => ($options['depth'] - 1), |
|
409
|
|
|
])); |
|
410
|
|
|
$debugInfo .= substr($debugArray, 1, -1); |
|
411
|
|
|
|
|
412
|
|
|
return $debugInfo . $end . '}'; |
|
413
|
|
|
} catch (\Exception $e) { |
|
414
|
|
|
$message = $e->getMessage(); |
|
415
|
|
|
|
|
416
|
|
|
return $debugInfo . "\n(unable to export object: $message)\n }"; |
|
417
|
|
|
} |
|
418
|
|
|
} |
|
419
|
|
|
|
|
420
|
1 |
|
if ($options['depth'] > 0) { |
|
421
|
1 |
|
$props = []; |
|
422
|
1 |
|
$objectVars = get_object_vars($data); |
|
423
|
1 |
|
foreach ($objectVars as $key => $value) { |
|
424
|
1 |
|
$value = static::getDebugInformation($value, array_merge($options, [ |
|
425
|
1 |
|
'depth' => ($options['depth'] - 1), |
|
426
|
1 |
|
])); |
|
427
|
1 |
|
$props[] = "$key => " . $value; |
|
428
|
1 |
|
} |
|
429
|
|
|
|
|
430
|
1 |
|
$ref = new \ReflectionObject($data); |
|
431
|
|
|
$filters = [ |
|
432
|
1 |
|
\ReflectionProperty::IS_PROTECTED => 'protected', |
|
433
|
1 |
|
\ReflectionProperty::IS_PRIVATE => 'private', |
|
434
|
1 |
|
]; |
|
435
|
1 |
|
foreach ($filters as $filter => $visibility) { |
|
436
|
1 |
|
$reflectionProperties = $ref->getProperties($filter); |
|
437
|
1 |
|
foreach ($reflectionProperties as $reflectionProperty) { |
|
438
|
|
|
$reflectionProperty->setAccessible(true); |
|
439
|
|
|
$property = $reflectionProperty->getValue($data); |
|
440
|
|
|
|
|
441
|
|
|
$value = static::getDebugInformation($property, array_merge($options, [ |
|
442
|
|
|
'depth' => ($options['depth'] - 1), |
|
443
|
|
|
])); |
|
444
|
|
|
$key = $reflectionProperty->name; |
|
445
|
|
|
$props[] = sprintf('[%s] %s => %s', $visibility, $key, $value); |
|
446
|
1 |
|
} |
|
447
|
1 |
|
} |
|
448
|
|
|
|
|
449
|
1 |
|
$debugInfo .= $break . implode($break, $props) . $end; |
|
450
|
1 |
|
} |
|
451
|
1 |
|
$debugInfo .= '}'; |
|
452
|
|
|
|
|
453
|
1 |
|
return $debugInfo; |
|
454
|
|
|
} |
|
455
|
|
|
|
|
456
|
|
|
/** |
|
457
|
|
|
* @param resource $data |
|
458
|
|
|
* |
|
459
|
|
|
* @return string |
|
460
|
|
|
*/ |
|
461
|
1 |
|
private static function getDebugInformationResource($data) { |
|
462
|
1 |
|
return (string) $data . ' (' . get_resource_type($data) . ')'; |
|
463
|
|
|
} |
|
464
|
|
|
} |
|
465
|
|
|
|
Let’s assume you have a class which uses late-static binding:
}
The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the
getSomeVariable()on that sub-class, you will receive a runtime error:In the case above, it makes sense to update
SomeClassto useselfinstead: