PHP trace_add函数代码示例

function safe_query($q = '', $debug = '', $unbuf = '')
{
    global $DB, $txpcfg, $qcount, $qtime, $production_status;
    $method = !$unbuf ? 'mysql_query' : 'mysql_unbuffered_query';
    if (!$q) {
        return false;
    }
    if ($debug or TXP_DEBUG === 1) {
        dmp($q);
    }
    $start = getmicrotime();
    $result = $method($q, $DB->link);
    $time = sprintf('%02.6f', getmicrotime() - $start);
    @($qtime += $time);
    @$qcount++;
    if ($result === false and (txpinterface === 'admin' or @$production_status == 'debug' or @$production_status == 'testing')) {
        $caller = $production_status == 'debug' ? n . join("\n", get_caller()) : '';
        trigger_error(mysql_error() . n . $q . $caller, E_USER_WARNING);
    }
    trace_add("[SQL ({$time}): {$q}]");
    if (!$result) {
        return false;
    }
    return $result;
}

function safe_query($q = '', $debug = '', $unbuf = '')
{
    global $DB, $txpcfg, $qcount, $qtime, $production_status;
    $method = !$unbuf ? 'mysql_query' : 'mysql_unbuffered_query';
    if (!$q) {
        return false;
    }
    if ($debug or TXP_DEBUG === 1) {
        dmp($q);
        dmp(mysql_error());
        //			dmp(debug_backtrace());
    }
    $start = getmicrotime();
    $result = $method($q, $DB->link);
    $time = sprintf('%02.6f', getmicrotime() - $start);
    @($qtime += $time);
    @$qcount++;
    if ($result === false and (@$production_status == 'debug' or @$production_status == 'test')) {
        trigger_error(mysql_error() . n . $q, E_USER_ERROR);
    }
    trace_add("[SQL ({$time}): {$q}]");
    if (!$result) {
        return false;
    }
    return $result;
}

function processTags($matches)
{
    global $pretext, $production_status, $txptrace, $txptracelevel, $txp_current_tag;
    $tag = $matches[1];
    $trouble_makers = array('link');
    if (in_array($tag, $trouble_makers)) {
        $tag = 'tpt_' . $tag;
    }
    $atts = isset($matches[2]) ? splat($matches[2]) : '';
    $thing = isset($matches[4]) ? $matches[4] : null;
    $old_tag = @$txp_current_tag;
    $txp_current_tag = '<txp:' . $tag . ($atts ? $matches[2] : '') . ($thing ? '>' : '/>');
    trace_add($txp_current_tag);
    @++$txptracelevel;
    if ($production_status == 'debug') {
        maxMemUsage(trim($matches[0]));
    }
    $out = '';
    if (function_exists($tag)) {
        $out = $tag($atts, $thing, $matches[0]);
    } elseif (isset($pretext[$tag])) {
        $out = $pretext[$tag];
    } else {
        trigger_error(gTxt('unknown_tag', array('{tag}' => $tag)), E_USER_WARNING);
    }
    @--$txptracelevel;
    if (isset($matches[4])) {
        trace_add('</txp:' . $tag . '>');
    }
    $txp_current_tag = $old_tag;
    return $out;
}

/**
 * Parses a page template.
 *
 * @param   string      $name The template
 * @return  string|bool The parsed page template, or FALSE on error
 * @since   4.6.0
 * @package TagParser
 * @example
 * echo parse_page('default');
 */
function parse_page($name)
{
    global $pretext;
    $page = fetch_page($name);
    if ($page !== false) {
        $pretext['secondpass'] = false;
        $page = parse($page);
        $pretext['secondpass'] = true;
        trace_add('[ ~~~ ' . gTxt('secondpass') . ' ~~~ ]');
        $page = parse($page);
    }
    return $page;
}

function variable($atts, $thing = NULL)
{
    global $variable;
    extract(lAtts(array('name' => '', 'value' => parse($thing)), $atts));
    if (empty($name)) {
        trigger_error(gTxt('variable_name_empty'));
        return;
    }
    if (!isset($atts['value']) && is_null($thing)) {
        if (isset($variable[$name])) {
            return $variable[$name];
        } else {
            trace_add("[<txp:variable>: Unknown variable '{$name}']");
            return '';
        }
    } else {
        $variable[$name] = $value;
    }
}

function fetch_form($name)
{
    static $forms = array();
    if (isset($forms[$name])) {
        $f = $forms[$name];
    } else {
        $f = fetch('Form', 'txp_form', 'name', doSlash($name));
        if (!$f) {
            return graf('form ' . strong($name) . ' does not exist');
        }
        $forms[$name] = $f;
    }
    trace_add('[' . gTxt('form') . ': ' . $name . ']');
    return $f;
}

/**
 * Save and retrieve the individual article's attributes plus article list attributes for next/prev tags
 *
 * @param array $atts
 * @return array
 * @since 4.5.0
 */
function filterAtts($atts = null)
{
    global $prefs;
    static $out = array();
    $valid = array('sort' => 'Posted desc', 'sortby' => '', 'sortdir' => '', 'keywords' => '', 'expired' => $prefs['publish_expired_articles'], 'id' => '', 'time' => 'past');
    if (is_array($atts)) {
        if (empty($out)) {
            $out = $atts;
            trace_add('[filterAtts accepted]');
        } else {
            // TODO: deal w/ nested txp:article[_custom] tags.
            trace_add('[filterAtts ignored]');
        }
    }
    if (empty($out)) {
        trace_add('[filterAtts not set]');
    }
    return lAtts($valid, $out, 0);
}

    die('If you just updated and expect to see your site here, please also update the files in your main installation directory.' . ' (Otherwise note that publish.php cannot be called directly.)');
}
include_once txpath . '/vendors/Textpattern/Loader.php';
$loader = new \Textpattern\Loader(txpath . '/vendors');
$loader->register();
$loader = new \Textpattern\Loader(txpath . '/lib');
$loader->register();
include_once txpath . '/lib/txplib_publish.php';
include_once txpath . '/lib/txplib_db.php';
include_once txpath . '/lib/txplib_html.php';
include_once txpath . '/lib/txplib_forms.php';
include_once txpath . '/lib/admin_config.php';
include_once txpath . '/publish/taghandlers.php';
include_once txpath . '/publish/log.php';
include_once txpath . '/publish/comment.php';
trace_add('[PHP Include end]');
set_error_handler('publicErrorHandler', error_reporting());
ob_start();
$txp_current_tag = '';
// Get all prefs as an array.
$prefs = get_prefs();
// Add prefs to globals.
extract($prefs);
// Check the size of the URL request.
bombShelter();
// Set a higher error level during initialisation.
set_error_level(@$production_status == 'live' ? 'testing' : @$production_status);
// Use the current URL path if $siteurl is unknown.
if (empty($siteurl)) {
    $httphost = preg_replace('/[^-_a-zA-Z0-9.:]/', '', $_SERVER['HTTP_HOST']);
    $prefs['siteurl'] = $siteurl = $httphost . rtrim(dirname($_SERVER['SCRIPT_NAME']), DS);

 /**
  * Loads a class.
  *
  * @param  string $class The class
  * @return bool
  */
 public function load($class)
 {
     $request = $class;
     if ($this->namespace !== null && strpos($class, $this->namespace . $this->separator) !== 0 || !preg_match('/^[\\a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\\\x7f-\\xff]*$/', $class)) {
         return false;
     }
     $file = $this->directory . '/';
     $divide = strripos($class, $this->separator);
     if ($divide !== false) {
         $namespace = substr($class, 0, $divide);
         $class = substr($class, $divide + 1);
         $file .= str_replace($this->separator, '/', $namespace) . '/';
     }
     $file .= $class . $this->extension;
     if (is_readable($file)) {
         trace_add("\t[Load: '" . str_replace(txpath . '/', '', $file) . "']");
         require_once $file;
         if (class_exists($request, false)) {
             trace_add("\t\t[Class loaded: '{$class}']");
             return true;
         }
     }
     return false;
 }

function safe_query($q = '', $debug = '', $unbuf = '')
{
    global $DB, $txpcfg, $qcount, $qtime, $production_status;
    $method = !$unbuf ? 'mysql_query' : 'mysql_unbuffered_query';
    if (!$q) {
        return false;
    }
    if ($debug or TXP_DEBUG === 1) {
        dmp($q);
    }
    $start = getmicrotime();
    $result = $method($q, $DB->link);
    $time = getmicrotime() - $start;
    @($qtime += $time);
    @$qcount++;
    if ($result === false) {
        trigger_error(mysql_error(), E_USER_ERROR);
    }
    trace_add("[SQL ({$time}): {$q}]");
    if (!$result) {
        return false;
    }
    return $result;
}

 function _l10n_pretext()
 {
     function load_localised_pref($name)
     {
         global $prefs, $pretext;
         $k = "snip-{$name}";
         $r = gTxt($k);
         if ($r !== $k) {
             $GLOBALS[$name] = $r;
             $GLOBALS['prefs'][$name] = $r;
             $prefs[$name] = $r;
             $pretext[$name] = $r;
         }
     }
     global $l10n_language, $textarray, $prefs;
     $first_chunk = _l10n_process_url();
     #
     #	Now we know what language this user is browsing in.
     # If it is NOT the site's currently selected language then we need to re-load
     # the textarray with the right language (otherwise some strings used in comment forms
     # and older/newer tags will be wrong!
     #
     if (LANG !== $l10n_language['long'] and LANG !== $l10n_language['short']) {
         trace_add("L10N MLP: Switching to {$l10n_language['long']} from " . LANG);
         $textarray = load_lang($l10n_language['long']);
         $prefs['language'] = $l10n_language['long'];
     }
     load_localised_pref('site_slogan');
     @($GLOBALS['prefs']['comments_default_invite'] = gTxt('comment'));
     #
     #	Don't know why, but there seems to be some whitespace getting into the
     # output buffer. XHTML can cope but it causes a parse error in the feed xml
     #
     #	Simple solution is to make sure the output buffer is empty before
     # continuing the processing of rss or atom requests...
     #
     $ob_cleaning = array('rss', 'atom');
     if (in_array($first_chunk, $ob_cleaning)) {
         while (@ob_end_clean()) {
         }
     }
 }

/**
 * Trace log: Start / Display / Result values / Quiet mode.
 *
 * @param   int   $flags One of TEXTPATTERN_TRACE_START  | TEXTPATTERN_TRACE_DISPLAY
 *                              TEXTPATTERN_TRACE_RESULT | TEXTPATTERN_TRACE_QUIET
 * @return  mixed
 * @since   4.6.0
 * @package Debug
 */
function trace_log($flags = TEXTPATTERN_TRACE_RESULT)
{
    global $production_status, $plugin_callback, $txptrace, $txptrace_quiet, $txptrace_qtime, $txptrace_qcount, $txptrace_microstart, $txptrace_maxMemMsg;
    if ($flags & TEXTPATTERN_TRACE_START) {
        $txptrace_microstart = getmicrotime();
        $production_status = 'debug';
        $txptrace = array();
        trace_add('[Trace Start]');
        return;
    }
    if ($flags & TEXTPATTERN_TRACE_QUIET) {
        $txptrace_quiet = 1;
        return;
    }
    $microdiff = getmicrotime() - $txptrace_microstart;
    $memory_peak = is_callable('memory_get_peak_usage') ? ceil(memory_get_peak_usage(true) / 1024) : '-';
    if ($production_status !== 'live' && $flags & TEXTPATTERN_TRACE_DISPLAY) {
        trace_add('[Trace End]');
        echo n, comment('Runtime:     ' . substr($microdiff, 0, 8));
        echo n, comment('Query time:  ' . sprintf('%02.6f', $txptrace_qtime) . "; Queries: {$txptrace_qcount} ");
        if (!empty($txptrace_maxMemMsg)) {
            echo n . comment("Memory:      {$txptrace_maxMemMsg}");
        }
        echo n . comment(sprintf('Memory Peak: %s kB ', $memory_peak));
        if ($production_status === 'debug') {
            $trace_log = join(n, preg_replace('/[\\r\\n]+/s', ' ', $txptrace));
            trace_out('Trace log: ' . n . 'Mem(kB)_|__+(kB)_|___+(ms)_|_Trace___' . n . $trace_log);
            if (!empty($plugin_callback)) {
                $out = sprintf('%40s |%40s |%20s | %s   ', 'function', 'event', 'step', 'pre') . n;
                $out = str_replace(' ', '_', $out);
                foreach ($plugin_callback as $p) {
                    if (is_string($p['function'])) {
                        $name = $p['function'];
                    } elseif (@is_object($p['function'][0])) {
                        $name = @get_class($p['function'][0]);
                    } else {
                        $name = '';
                    }
                    $out .= sprintf('%40s | %-40s| %-20s| %s', $name, $p['event'], $p['step'], $p['pre']) . n;
                }
                trace_out('Plugin callback:' . n . $out);
            }
            if (preg_match_all('/(\\[SQL.*\\])/', $trace_log, $mm)) {
                trace_out('Query log:' . n . join(n, $mm[1]) . n . 'Time: ' . sprintf('%02.6f', $txptrace_qtime) . ": Queries: {$txptrace_qcount} ");
            }
            callback_event('trace_end', 'display');
        }
    }
    if ($flags & TEXTPATTERN_TRACE_RESULT) {
        if ($production_status === 'debug') {
            callback_event('trace_end', 'result');
        }
        return array('microdiff' => $microdiff, 'memory_peak' => $memory_peak, 'queries' => $txptrace_qcount);
    }
}

define("txpinterface", "public");
if (!defined('txpath')) {
    define("txpath", dirname(__FILE__) . '/textpattern');
}
// Save server path to site root.
if (!isset($here)) {
    $here = dirname(__FILE__);
}
// Pull in config unless configuration data has already been provided
// (multi-headed use).
if (!isset($txpcfg['table_prefix'])) {
    // Use buffering to ensure bogus whitespace in config.php is ignored.
    ob_start(null, 2048);
    include txpath . '/config.php';
    ob_end_clean();
}
include txpath . '/lib/constants.php';
include txpath . '/lib/txplib_misc.php';
trace_log(TEXTPATTERN_TRACE_START);
if (!isset($txpcfg['table_prefix'])) {
    txp_status_header('503 Service Unavailable');
    exit('config.php is missing or corrupt.  To install Textpattern, visit <a href="./textpattern/setup/">textpattern/setup/</a>');
}
// Custom caches, etc?
if (!empty($txpcfg['pre_publish_script'])) {
    trace_add("[Pre Publish Script: '{$txpcfg['pre_publish_script']}']");
    require $txpcfg['pre_publish_script'];
}
include txpath . '/publish.php';
textpattern();
trace_log(TEXTPATTERN_TRACE_DISPLAY);

/**
 * Executes an SQL statement.
 *
 * @param  string $q     The SQL statement to execute
 * @param  bool   $debug Dump query
 * @param  bool   $unbuf If TRUE, executes the statement without fetching and buffering the results
 * @return mixed
 * @example
 * echo safe_query('SELECT * FROM table');
 */
function safe_query($q = '', $debug = false, $unbuf = false)
{
    global $DB, $txpcfg, $txptrace_qcount, $txptrace_qtime, $production_status;
    $method = $unbuf ? MYSQLI_USE_RESULT : MYSQLI_STORE_RESULT;
    if (!$q) {
        return false;
    }
    if ($debug or TXP_DEBUG === 1) {
        dmp($q);
    }
    $start = getmicrotime();
    $result = mysqli_query($DB->link, $q, $method);
    $time = getmicrotime() - $start;
    @($txptrace_qtime += $time);
    @$txptrace_qcount++;
    if ($result === false) {
        trigger_error(mysqli_error($DB->link), E_USER_ERROR);
    }
    trace_add('[SQL (' . number_format($time, 6, '.', '') . "): {$q}]");
    if (!$result) {
        return false;
    }
    return $result;
}

function textpattern()
{
    global $pretext, $microstart, $prefs, $qcount, $qtime, $production_status, $txptrace, $siteurl, $has_article_tag;
    $has_article_tag = false;
    callback_event('textpattern');
    if ($pretext['status'] == '404') {
        txp_die(gTxt('404_not_found'), '404');
    }
    if ($pretext['status'] == '410') {
        txp_die(gTxt('410_gone'), '410');
    }
    $html = safe_field('user_html', 'txp_page', "name='" . doSlash($pretext['page']) . "'");
    if (!$html) {
        txp_die(gTxt('unknown_section'), '404');
    }
    // useful for clean urls with error-handlers
    txp_status_header('200 OK');
    trace_add('[' . gTxt('page') . ': ' . $pretext['page'] . ']');
    set_error_handler("tagErrorHandler");
    $pretext['secondpass'] = false;
    $html = parse($html);
    $pretext['secondpass'] = true;
    trace_add('[ ~~~ ' . gTxt('secondpass') . ' ~~~ ]');
    $html = parse($html);
    // the function so nice, he ran it twice
    // make sure the page has an article tag if necessary
    if (!$has_article_tag and $production_status != 'live' and $pretext['context'] == 'article' and (!empty($pretext['id']) or !empty($pretext['c']) or !empty($pretext['q']) or !empty($pretext['pg']))) {
        trigger_error(gTxt('missing_article_tag', array('{page}' => $pretext['page'])));
    }
    restore_error_handler();
    header("Content-type: text/html; charset=utf-8");
    echo $html;
    if (in_array($production_status, array('debug', 'testing'))) {
        $microdiff = getmicrotime() - $microstart;
        echo n, comment('Runtime:    ' . substr($microdiff, 0, 6));
        echo n, comment('Query time: ' . sprintf('%02.6f', $qtime));
        echo n, comment('Queries: ' . $qcount);
        echo maxMemUsage('end of textpattern()', 1);
        if (!empty($txptrace) and is_array($txptrace)) {
            echo n, comment('txp tag trace: ' . n . str_replace('--', '­­', join(n, $txptrace)) . n);
        }
        // '­­' is *no* tribute to Kajagoogoo, but an attempt to avoid prematurely terminating HTML comments
    }
    callback_event('textpattern_end');
}