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<?php
/**
* Debug Class (static)
*
* @since 2008-04-25
*/
class Debug
{
public static $index = -1;
/**
* error for debugging
*
* @param mixed $msg
* @return void
*/
function error($msg)
{
$charset = getConf('site.charset');
if ($charset) {
@header('Content-type: text/html; charset=' . $charset);
}
echo '<h2><fontcolor="red">ERROR</font></h2>';
Debug::dump($msg, 'ERROR');
Debug::trace('ERROR');
}
/**
* error for debugging / ajax safe
*
* @param mixed $msg
* @return void
*/
function ajaxError($msg)
{
ob_start();
echo "ERROR : " . $msg . "\n\n";
print_r(debug_backtrace());
$output = ob_get_contents();
ob_end_clean();
return $output;
}
/**
* debug output
*
* @param mixed $msg
* @return void
*/
function output($msg, $desc = '')
{
global $__debug_output, $__debug_query;
self::$index++;
ob_start();
//echo '<br><hr color="#FF7777">';
if (is_string($msg) && (strtoupper($desc)=='QUERY' || in_array(Debug::getQueryCommand($msg), array('SELECT','INSERT','UPDATE','DELETE'))) ) {
if (!is_array($__debug_query)) {
$__debug_query = array();
}
$__debug_query[self::$index] = str_replace(array("\n", "\r"), array("\\n", ''), $msg);
$query = $msg;
$desc = 'QUERY';
}
$ptns = array(
'/^(WRITE|READ) Query Error : (.+) ===> (.+)/',
"/^(WRITE|READ) Query : \/\*([0-9\.]+)sec\*\/ (.+)/"
);
foreach ( $ptns as $p ){
$matches = array();
if ( is_string($msg) && preg_match($p, $msg, $matches) ){
if (!is_array($__debug_query)) {
$__debug_query = array();
}
if (is_numeric($matches[2]) && $matches[2] > 0.1) {
$msg = '<strong style="color:red;">' . $msg . '</strong>';
}
$__debug_query[self::$index] = str_replace(array("\n", "\r"), array("\\n", ''), $matches[3]);
//Debug::explainQuery($matches[3]);
$query = $matches[3];
$desc = 'QUERY';
}
}
Debug::dump($msg, $desc);
if ( strtoupper($desc)=='QUERY' ) {
Debug::explainQuery($query);
}
Debug::trace();
$__debug_output[self::$index] = ob_get_contents();
ob_end_clean();
}
/**
* debug dump
*
* @param mixed $var
* @return void
*/
public static function dump($var, $desc = '')
{
if ($desc == 'ERROR') {
$index = 'ERROR';
} else {
$index = self::$index;
}
echo '<div id="__debug_output_' . $index . '" style="margin:10px 0; padding:5px 20px; cursor:pointer;" onclick="var obj=document.getElementById(this.id + \'_trace\'); obj.style.display=(obj.style.display==\'none\')?\'block\':\'none\';" onmouseover="this.style.backgroundColor=\'#CCDDFF\';" onmouseout="this.style.backgroundColor=\'\';">';
if ($desc != 'ERROR') {
echo '<b style="color:blue;">[' . $index . '] </b>';
if ($desc) {
echo '<span style="color:red;">' . $desc . ' : </span>';
}
}
if (is_array($var) || is_object($var)) {
// script error safe
$str = htmlspecialchars(print_r($var, true));
if ($pos = strpos($str, "\n")) {
$type = substr($str, 0, $pos);
} else {
$type = $str;
}
if (is_array($var)) {
$type .= ' : ' . count($var);
}
$id = '__debug_output_' . $index;
echo '<input id="' . $id . '_button" type="button" value="' . $type . '" onclick="var obj=document.getElementById(\'' . $id . '_data\'); obj.style.display=(obj.style.display==\'none\')?\'block\':\'none\';">';
echo '<div id="' . $id . '_data" style="display:none;" onclick="this.style.display=\'none\'; document.getElementById(\'' . $id . '_button\').scrollIntoView();">';
echo '<pre>';
echo $str;
echo '</pre>';
echo '</div>';
} else if ($var && !is_bool($var)) {
//$var = htmlspecialchars((string)$var);
echo '<b>' . $var . '</b>';
} else {
echo '<b>';
echo var_dump($var);
echo '</b>';
}
echo '</div>';
}
/**
* debug back trace
*
* @param mixed $msg
* @return void
*/
public static function trace($desc = '')
{
if ($desc == 'ERROR') {
$index = 'ERROR';
} else {
$index = self::$index;
}
if (!$trace) {
$trace = debug_backtrace();
}
echo "\n";
echo '<div id="__debug_output_' . $index . '_trace" style="border:0px solid #333377; margin:10px; padding:10px; background-color:#EEEEFF; display:none;">' . "\n";
$idx = 0;
foreach ($trace as $value) {
if ($value['class'] == 'Debug') {
continue;
}
$idx++;
isset($value['args']) || $value['args'] = array();
$tmp = array();
foreach ($value['args'] as $arg) {
$strArg = print_r($arg, true);
if (strlen($strArg) > 30) {
$tmp[] = htmlspecialchars(str_replace("\n", ' ', substr($strArg, 0, 30))) . '..';
} else {
$tmp[] = htmlspecialchars(str_replace("\n", ' ', $strArg));
}
}
$strArgs = print_r($value['args'], true);
if (isset($value['type'])) {
$funcCall = $value['class'] . $value['type'] . $value['function'];
} else {
$funcCall = $value['function'];
}
$strArgs = $funcCall . substr($strArgs, 5);
echo '#' . $idx . ' ';
echo $funcCall . ' <b>(</b> ';
if ($value['args']) {
echo '<a href="#" onclick="if(typeof console===\'undefind\'){alert(this.nextSibling.value);}else{console.log(this.nextSibling.value);} return false;">' . implode(' , ', $tmp) . '</a><textarea style="display:none;">' . htmlspecialchars($strArgs) . '</textarea>';
}
echo ' <b>)</b> ';
if (isset($value['file'])) {
$value['file'] = str_replace('\\', '/', $value['file']);
echo '<font color="#333399">[ ';
echo str_replace(getConf('dir.root'), '', $value['file']);
echo ' : ';
echo '<b>' . $value['line'] . '</b>';
echo ' ]</font>';
}
echo '<br>' . "\n";
}
echo '</div>';
}
/**
* debug log
*
* @param string $msg
* @param boolean $trace
* @return void
*/
function log($msg, $trace = true)
{
$logDir = getConf('dir.log');
if (!is_dir($logDir)) {
@mkdir($logDir);
@chmod($logDir, 0707);
}
ob_start();
echo str_repeat('-', 80) . "\n";
echo date('Y-m-d H:i:s') . " (".$_SERVER['REMOTE_ADDR']." " . COUNTRY_CODE . ") " . $_SERVER['PHP_SELF'] . "\n";
echo "HTTP_USER_AGENT : " . $_SERVER['HTTP_USER_AGENT'] . "\n";
echo "HTTP_REFERER : " . $_SERVER['HTTP_REFERER'] . "\n\n";
if ($trace) {
debug_print_backtrace();
}
echo "\n";
if ($msg) {
if (is_string($msg) || is_numeric($msg)) {
echo $msg;
} else {
print_r($msg);
}
} else {
var_dump($msg);
}
echo "\n\n";
$str = ob_get_contents();
ob_end_clean();
$logFile = $logDir . '/' . getConf('debug.log.file');
$str = str_replace("\r", '', $str);
file_put_contents($logFile, $str, FILE_APPEND);
@chmod($logFile, 0606);
}
/**
* explain select query
*
* @param string $query
* @return void
*/
public static function queryInfo($query)
{
$query = trim($query);
$type = Debug::getQueryCommand($query);
if ($type == 'SELECT') {
$r = @mysql_query('EXPLAIN ' . $query);
if ($r) {
$data = array();
while ($row = @mysql_fetch_assoc($r)) {
$data[] = $row;
}
return $data;
}
} else if ($type == 'INSERT') {
return 'Insert ID : ' . mysql_insert_id();
} else {
return 'Affected Rows : ' . mysql_affected_rows();
}
}
public static function getQueryCommand($query)
{
// http://stackoverflow.com/questions/7100127/regex-to-match-mysql-comments
$sqlComments = '@(([\'"`]).*?[^\\\]\2)|((?:\#|--).*?$|/\*(?:[^/*]|/(?!\*)|\*(?!/)|(?R))*\*\/)\s*|(?<=;)\s+@ms';
$uncommentedSQL = trim( preg_replace( $sqlComments, '$1', trim($query) ) );
$uncommentedSQL = preg_replace("/[\s]+/", ' ', $uncommentedSQL);
return strtoupper(substr($uncommentedSQL, 0, strpos($uncommentedSQL, ' ')));
}
/**
* explain select query
*
* @param string $query
* @return void
*/
function explainQuery($query, $html = true)
{
$info = Debug::queryInfo($query);
echo '<div style="margin:5px 20px;">';
if (is_array($info)) {
$table = array();
foreach ($info as $key=>$val) {
if (!$table) {
$table[] = '<tr align="center"><td style="border:1px solid black;padding:2px;">' . implode('</td><td style="border:1px solid black;padding:2px;">', array_keys($val)) . '</td></tr>';
}
$val['table'] = htmlspecialchars($val['table']);
if ($val['type'] == 'ALL') {
$val['type'] = '<b><font color="#FF0000">' . $val['type'] . '</font></b>';
} else {
$val['type'] = '<b><font color="#0000FF">' . $val['type'] . '</font></b>';
}
$val['key'] = '<b><font color="green">' . $val['key'] . '</font></b>';
$val['Extra'] = preg_replace(array('/(Using (index))/i', '/(Using (filesort|temporary))/i'), array('<b><font color="#0000FF">$1</font></b>', '<b><font color="#FF0000">$1</font></b>'), $val['Extra']);
$table[] = '<tr><td style="border:1px solid black;padding:2px;">' . implode('</td><td style="border:1px solid black;padding:2px;">', array_values($val)) . '</td></tr>';;
}
echo '<table border="1" cellpadding="5" style="border-collapse:collapse;">' . implode('', $table) . '</table>';
} else {
echo '<b style="color:red;">' . $info . '</b>';
}
echo '</div>';
}
}
?>