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<?php |
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namespace HexMakina\Debugger |
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{ |
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class Debugger |
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{ |
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private static $meta_methods=[]; |
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public function __construct() |
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{ |
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$debugger = new \ReflectionClass(__CLASS__); |
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$methods = $debugger->getMethods(); |
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self::$meta_methods = array_map(function($m){return $m->name;}, $methods); |
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} |
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public static function displayErrors($error_message = null) |
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{ |
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$should_display = ini_get('display_errors') == '1'; |
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if ($should_display && !empty($error_message)) { |
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echo self::toHTML($error_message); |
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} |
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} |
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// -- dump on variable type (Throwables, array, anything else) |
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private static function dump($var, $var_name = null, $full_backtrace = true) |
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{ |
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if (is_object($var) && (is_subclass_of($var, 'Error') || is_subclass_of($var, 'Exception'))) { |
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$backtrace = $var->getTrace(); |
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$full_backtrace = true; |
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$var_dump = self::formatThrowable($var); |
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} else { |
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$backtrace = debug_backtrace(); |
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ob_start(); |
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var_dump($var); |
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$var_dump = ob_get_clean(); |
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} |
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return PHP_EOL |
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. "*******" |
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. (empty($var_name) ? '' : " ($var_name) ") |
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. "*******" |
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. PHP_EOL |
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. self::tracesToString($backtrace, $full_backtrace) |
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. PHP_EOL |
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. $var_dump; |
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} |
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// -- visual dump (depends on env) |
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public static function visualDump($var, $var_name = null, $full_backtrace = false) |
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{ |
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self::displayErrors(self::dump($var, $var_name, $full_backtrace)); |
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return $var; |
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} |
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// -- visual dump and DIE |
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public static function visualDumpAndDie($var, $var_name = null, $full_backtrace = true) |
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{ |
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self::visualDump($var, $var_name, $full_backtrace); |
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die; |
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} |
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// -- formatting |
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// -- formatting : first line of \Throwable-based error |
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public static function formatThrowable(\Throwable $err) |
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{ |
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return PHP_EOL . sprintf( |
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'%s (%d) in file %s:%d' . PHP_EOL . '%s', |
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get_class($err), |
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$err->getCode(), |
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self::formatFilename($err->getFile()), |
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$err->getLine(), |
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$err->getMessage() |
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); |
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} |
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public static function formatFilename($file, $reduce_file_depth_to = 5) |
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{ |
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return implode('/', array_slice(explode('/', $file), -$reduce_file_depth_to, $reduce_file_depth_to)); |
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} |
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// -- formatting : nice backtrace |
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public static function tracesToString($traces, $full_backtrace) |
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{ |
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$formated_traces = []; |
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foreach ($traces as $depth => $trace) { |
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$function_name = $trace['function'] ?? '?'; |
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$class_name = $trace['class'] ?? ''; |
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if (self::isInternalFunctionCall($class_name, $function_name)) { |
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continue; |
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} |
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$args = self::traceArgsToString($trace['args'] ?? []); |
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// if (!self::isShortcutCall($function_name) && isset($trace['args'])) { |
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// |
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// } else { |
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// $args = microtime(true); |
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// } |
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$call_file = isset($trace['file']) ? basename($trace['file']) : '?'; |
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$call_line = $trace['line'] ?? '?'; |
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$formated_traces [] = sprintf( |
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'[%-23.23s %3s] %s%s(%s)', |
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$call_file, |
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$call_line, |
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"$class_name::", |
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$function_name, |
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$args |
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); |
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if ($full_backtrace === false) { |
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break; |
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} |
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} |
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return implode(PHP_EOL, array_reverse($formated_traces)); |
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} |
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private static function traceArgsToString($trace_args) |
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{ |
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$ret = []; |
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foreach ($trace_args as $arg) { |
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if (is_null($arg)) { |
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$ret[] = 'NULL'; |
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} elseif (is_bool($arg)) { |
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$ret[] = 'bool:' . ((int)$arg); |
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} elseif (is_scalar($arg)) { |
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$ret[] = $arg; |
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} elseif (is_object($arg)) { |
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$ret[] = get_class($arg); |
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} elseif (is_array($arg)) { |
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$ret[] = 'Array #' . count($arg); |
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} else { |
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$ret[] = 'unknown type'; |
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} |
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} |
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$ret = implode(', ', $ret); |
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return $ret; |
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} |
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private static function isInternalFunctionCall($class_name, $function_name): bool |
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{ |
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return $class_name === __CLASS__ && in_array($function_name, self::$meta_methods); |
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} |
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private static function isShortcutCall($function_name): bool |
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{ |
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return in_array($function_name, ['vd', 'dd','vdt', 'ddt']); |
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} |
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private static function toHTML($message) |
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{ |
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$css = [ |
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'text-align:left', |
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'z-index:9999', |
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'background-color:#FFF', |
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'color:#000', |
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'padding:0.5em', |
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'font-size:0.7em', |
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'margin:0 0 1em 0', |
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'font-family:courier' |
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]; |
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return sprintf('<pre style="%s">%s</pre>', implode(';', $css), $message); |
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} |
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} |
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} |
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namespace |
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{ |
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if (!function_exists('vd')) { |
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function vd($var, $var_name = null) |
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{ |
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\HexMakina\Debugger\Debugger::visualDump($var, $var_name, false); |
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} |
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} |
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if (!function_exists('dd')) { |
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function dd($var, $var_name = null) |
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{ |
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\HexMakina\Debugger\Debugger::visualDumpAndDie($var, $var_name, false); |
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} |
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} |
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if (!function_exists('vdt')) { |
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function vdt($var, $var_name = null) |
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{ |
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\HexMakina\Debugger\Debugger::visualDump($var, $var_name, true); |
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} |
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} |
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if (!function_exists('ddt')) { |
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function ddt($var, $var_name = null) |
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{ |
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\HexMakina\Debugger\Debugger::visualDumpAndDie($var, $var_name, true); |
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} |
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} |
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} |
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HexMakina /
Debugger
This check looks for private methods that have been defined, but are not used inside the class.