PHP System exception handling program

Previously we used a single exception handling function. below I found a very good exception handling system, which not only controls errors but also provides a good interface .? Set_exception _... previously we used a single exception handling function. below I found a very good exception handling system, which not only controls errors but also provides a good interface.

 '. $ Message .'
PHP:'. $ LogTrace; self: writeErrorLog ($ messageSave);} if ($ show) {self: showError ('system ',"
$ Message
", $ ShowTrace, 0) ;}if ($ halt) {exit () ;}else {return $ message ;}} /*** code execution backtracking information ** @ static * @ access public */public static function debugBacktrace () {$ skipFunc [] = 'Error-> debugBacktrace '; $ show = $ log = ''; $ debugBacktrace = debug_backtrace (); ksort ($ debugBacktrace); foreach ($ debugBacktrace as $ k => $ error) {if (! Isset ($ error ['file']) {// use the Reflection API to obtain the method/function file and number of lines try {if (isset ($ error ['class']) {$ reflection = new ReflectionMethod ($ error ['class'], $ error ['function']);} else {$ reflection = new ReflectionFunction ($ error ['function']);} $ error ['file'] = $ reflection-> getFileName (); $ error ['line'] = $ reflection-> getStartLine ();} catch (Exception $ e) {continue ;}$ file = str_replace (SITE_PATH ,'', $ error ['File']); $ func = isset ($ error ['class'])? $ Error ['class']: ''; $ func. = isset ($ error ['type'])? $ Error ['type']: ''; $ func. = isset ($ error ['function'])? $ Error ['function']: ''; if (in_array ($ func, $ skipFunc) {break ;} $ error ['line'] = sprintf ('% 04d', $ error ['line']); $ show. ='
[Line: '. $ error ['line'].'] '. $ file.' ('. $ func .')
'; $ Log. =! Empty ($ log )? '->': ''; $ Log. = $ file. ':'. $ error ['line'];} return array ($ show, $ log );} /*** exception handling *** @ static * @ access public * @ param mixed $ exception */public static function exceptionError ($ exception) {if ($ exception instanceof DbException) {$ type = 'DB';} else {$ type = 'system';} if ($ type = 'DB') {$ errorMsg = '('. $ exception-> getCode (). ')'; $ errorMsg. = self: sqlClear ($ exception-> getMessage (), $ exception-> getDbConfig (); if ($ exception-> getSql () {$ errorMsg. ='
'; $ ErrorMsg. = self: sqlClear ($ exception-> getSql (), $ exception-> getDbConfig (); $ errorMsg. ='
';}} Else {$ errorMsg = $ exception-> getMessage () ;}$ trace = $ exception-> getTrace (); krsort ($ trace ); $ trace [] = array ('file' => $ exception-> getFile (), 'line' => $ exception-> getLine (), 'function' => 'break'); $ phpMsg = array (); foreach ($ trace as $ error) {if (! Empty ($ error ['function']) {$ fun = ''; if (! Empty ($ error ['class']) {$ fun. = $ error ['class']. $ error ['type'];} $ fun. = $ error ['function']. '('; if (! Empty ($ error ['args ']) {$ mark = ''; foreach ($ error ['args'] as $ arg) {$ fun. = $ mark; if (is_array ($ arg) {$ fun. = 'array';} elseif (is_bool ($ arg) {$ fun. = $ arg? 'True': 'false';} elseif (is_int ($ arg) {$ fun. = (defined ('site _ debug') & SITE_DEBUG )? $ Arg: '% d';} elseif (is_float ($ arg) {$ fun. = (defined ('site _ debug') & SITE_DEBUG )? $ Arg: '% f';} else {$ fun. = (defined ('site _ debug') & SITE_DEBUG )? '''. Htmlspecialchars (substr (self: clear ($ arg), 0, 10). (strlen ($ arg)> 10? '... ':''). ''': '% S';} $ mark =', ';}}$ fun. = ')'; $ error ['function'] = $ fun;} if (! Isset ($ error ['line']) {continue;} $ phpMsg [] = array ('file' => str_replace (array (SITE_PATH ,''), array ('', '/'), $ error ['file']), 'line' => $ error ['line'], 'function' => $ error ['function']);} self: showError ($ type, $ errorMsg, $ phpMsg); exit ();} /*** record error log ** @ static * @ access public * @ param string $ message */public static function writeErrorLog ($ message) {return false; // do not write at the moment http://www.phprm.com $ Message = self: clear ($ message); $ time = time (); $ file = LOG_PATH. '/'. date ('Y. m. D '). '_ errorlog. php '; $ hash = md5 ($ message); $ userId = 0; $ ip = get_client_ip (); $ user ='User:UserId = '. intval ($ userId ). '; IP = '. $ ip. '; RIP :'. $ _ SERVER ['remote _ ADDR ']; $ uri = 'Request :'. htmlspecialchars (self: clear ($ _ SERVER ['request _ URI ']); $ message ="
 {$ Time} $ message $ hash $ user $ uri "; // determines whether the $ message has been recorded in the interval $ maxtime, no need to record if (is_file ($ file) {$ fp = @ fopen ($ file, 'RB'); $ lastlen = 50000; // read the last $ lastlen length byte content $ maxtime = 60*10; // time interval: 10 minutes $ offset = filesize ($ file)-$ lastlen; if ($ offset> 0) {fseek ($ fp, $ offset);} if ($ data = fread ($ fp, $ lastlen )) {$ array = explode ("", $ data); if (is_array ($ array) foreach ($ array as $ key => $ Val) {$ row = explode ("", $ val); if ($ row [0]! ='
 ') {Continue;} if ($ row [3] ==$ hash & ($ row [1]> $ time-$ maxtime) {return ;}}}} error_log ($ message, 3, $ file);}/*** clear some text characters ** @ param string $ message */public static function clear ($ message) {return str_replace (array ("", "", ""), "", $ message );} /*** clear SQL statement characters ** @ static * @ access public * @ param string $ message * @ param string $ dbConfig */public static function sqlClear ($ Message, $ dbConfig) {$ message = self: clear ($ message); if (! (Defined ('site _ debug') & SITE_DEBUG) {$ message = str_replace ($ dbConfig ['database'], '***', $ message ); // $ message = str_replace ($ dbConfig ['prefix'], '***', $ message); $ message = str_replace (C ('Db _ prefix '), '***', $ message);} $ message = htmlspecialchars ($ message); return $ message ;} /*** display error ** @ static * @ access public * @ param string $ type error type db, system * @ param string $ errorMsg * @ param st Ring $ phpMsg */public static function showError ($ type, $ errorMsg, $ phpMsg = '') {global $ _ G; $ errorMsg = str_replace (SITE_PATH ,'', $ errorMsg); ob_end_clean (); $ host = $ _ SERVER ['http _ host']; $ title = $ type = 'DB '? 'Database': 'system'; echo <
  
  $ Host-$ title Error 
   
   
  
  
$ Title Error
  
$ ErrorMsg
EOT; if (! Empty ($ phpMsg) {echo'
  
'; Echo'
  
PHP Debug
'; Echo'
  
 
    '; If (is_array ($ phpMsg) {echo' 
   '; Foreach ($ phpMsg as $ k => $ msg) {$ k ++; echo' 
   
     '; Echo' 
    '; Echo' 
    '; Echo' 
    '; Echo' 
    '; Echo' 
   ';}} Else {echo' 
   ';} Echo' 
  

   
  
 
    
No.
 
    
File
 
    
Line
 
    
Code
 
   
'. $ K .'
'. $ Msg ['file'].'
'. $ Msg ['line'].'
'. $ Msg ['function'].'
 
    
 
     

       '. $ PhpMsg .' 
     
 
   
  
 
  
';} Echo <
  
   
EOT; exit () ;}}/*** DB Exception class ** @ author www.phprm.com */class DbException extends Exception {protected $ SQL; protected $ dbConfig; // Current database configuration information public function _ construct ($ message, $ code = 0, $ SQL = '', $ dbConfig = array ()) {$ this-> SQL = $ SQL; $ this-> dbConfig = $ dbConfig; parent ::__ construct ($ message, $ code);} public function getSql () {return $ this-> SQL;} public function getDbConfig () {return $ This-> dbConfig ;}}?>
  
 

: PHP System exception handling program