PHP timer_stop函数代码示例

function memory()
{
    if (current_user_can('level_10')) {
        global $wpdb;
        echo '<span style="text-align:center;display:block;">';
        $timer = timer_stop();
        echo round(memory_get_peak_usage() / 1048576, 2) . 'M ' . get_num_queries() . ' queries in ' . $timer . ' Seconds.</span>';
    }
}

 /**
  * From regenerate thumbnails plugin
  */
 public function regenerate_thumbnail()
 {
     @error_reporting(0);
     // Don't break the JSON result
     header('Content-type: application/json');
     $id = (int) $_REQUEST['id'];
     $image = get_post($id);
     if (!$image || 'attachment' != $image->post_type || 'image/' != substr($image->post_mime_type, 0, 6)) {
         die(json_encode(array('error' => sprintf(__('Failed resize: %s is an invalid image ID.', 'wc_csv_import'), esc_html($_REQUEST['id'])))));
     }
     if (!current_user_can('manage_woocommerce')) {
         $this->die_json_error_msg($image->ID, __("Your user account doesn't have permission to resize images", 'wc_csv_import'));
     }
     $fullsizepath = get_attached_file($image->ID);
     if (false === $fullsizepath || !file_exists($fullsizepath)) {
         $this->die_json_error_msg($image->ID, sprintf(__('The originally uploaded image file cannot be found at %s', 'wc_csv_import'), '<code>' . esc_html($fullsizepath) . '</code>'));
     }
     @set_time_limit(900);
     // 5 minutes per image should be PLENTY
     $metadata = wp_generate_attachment_metadata($image->ID, $fullsizepath);
     if (is_wp_error($metadata)) {
         $this->die_json_error_msg($image->ID, $metadata->get_error_message());
     }
     if (empty($metadata)) {
         $this->die_json_error_msg($image->ID, __('Unknown failure reason.', 'wc_csv_import'));
     }
     // If this fails, then it just means that nothing was changed (old value == new value)
     wp_update_attachment_metadata($image->ID, $metadata);
     die(json_encode(array('success' => sprintf(__('&quot;%1$s&quot; (ID %2$s) was successfully resized in %3$s seconds.', 'wc_csv_import'), esc_html(get_the_title($image->ID)), $image->ID, timer_stop()))));
 }

 function wb_do()
 {
     printf(__('SQL requests:%d. Generation time:%s sec. Memory consumption:', WB_CHANGE_EMAIL_SLUG), get_num_queries(), timer_stop(0, 3));
     if (function_exists('memory_get_usage')) {
         echo round(memory_get_usage() / 1024 / 1024, 2) . ' mb ';
     }
 }

function lt_store_timer_data()
{
    global $wpdb;
    $table_name = lt_get_table_name();
    $lt_data = array('longdatetime' => date('Y-m-d H:i:s', time()), 'qcount' => get_num_queries(), 'qtime' => timer_stop(0, 3), 'qpage' => "http://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'], 'useragent' => $_SERVER['HTTP_USER_AGENT']);
    $wpdb->insert($table_name, $lt_data);
}

function spdebug_stats()
{
    global $wpdb, $spdebug_stats, $spdebug_queries;
    if (defined('SP_DEVFLAG') && SP_DEVFLAG == true && isset($spdebug_stats)) {
        $out = "\n\n<div class='spdebug'>\n";
        $out .= "\t<table>\n";
        if (isset($spdebug_stats['total_time'])) {
            $out .= "\t\t<tr>\n";
            $out .= "\t\t\t<td>Target section</td>\n";
            $out .= "\t\t\t<td>" . $spdebug_stats['total_query'] . " queries</td>\n";
            $out .= "\t\t\t<td>" . number_format($spdebug_stats['total_time'], 3) . " seconds</td>\n";
            $out .= "\t\t</tr>\n";
        }
        $out .= "\t\t<tr>\n";
        $out .= "\t\t\t<td>Total page</td>\n";
        $out .= "\t\t\t<td>" . (get_num_queries() - $spdebug_queries) . " queries</td>\n";
        $out .= "\t\t\t<td>" . timer_stop(0) . " seconds</td>\n";
        $out .= "\t\t</tr>\n";
        $out .= "\t</table>\n";
        $out .= "</div>\n\n";
        echo $out;
        show_log();
        show_control();
    }
}

/**
 *
 * Adds a piece of commented out code to the source code of each webpage that shows many queries occur, time taken and memory used  
 *
 * @since 4.1.1
 *
 * @param type  $var statisitcs.
 * @param array $args {
 *     @type type $var statistics : var to store the the queries and echo it out to the page 
 * }
 */
function addStatistics()
{
    $statistics = sprintf('%d queries in %.3f seconds, using %.2fMB memory', get_num_queries(), timer_stop(0, 3), memory_get_peak_usage() / 1024 / 1024);
    if (current_user_can('manage_options')) {
        echo "<!-- {$statistics} -->";
    }
}

 function info_unqprfx_code($atts, $content = null)
 {
     // add info to source code
     $useful_info = sprintf('%d q; %.2f sec; %.2f MB;', get_num_queries(), timer_stop(0, 3), memory_get_peak_usage() / 1024 / 1024);
     echo "\n" . '<!-- info plugin v.2.3 wordpress.org/plugins/info/ -->' . "\n";
     echo '<!-- ========== ' . $useful_info . ' ========== -->' . "\n";
 }

 function gdptStats()
 {
     if (function_exists("memory_get_usage")) {
         $this->memory = gdFunctionsGDPT::size_format(memory_get_usage());
     }
     $this->queries = get_num_queries();
     $this->timer = timer_stop(1);
 }

 private function panel_template()
 {
     /**
      * action 'redux/{opt_name}/panel/before'
      */
     do_action("redux/{$this->parent->args['opt_name']}/panel/before");
     echo '<div class="wrap"><h2></h2></div>';
     // Stupid hack for Wordpress alerts and warnings
     echo '<div class="clear"></div>';
     echo '<div class="wrap">';
     // Do we support JS?
     echo '<noscript><div class="no-js">' . __('Warning- This options panel will not work properly without javascript!', 'redux-framework') . '</div></noscript>';
     // Security is vital!
     echo '<input type="hidden" id="ajaxsecurity" name="security" value="' . wp_create_nonce('redux_ajax_nonce') . '" />';
     /**
      * action 'redux-page-before-form-{opt_name}'
      *
      * @deprecated
      */
     do_action("redux-page-before-form-{$this->parent->args['opt_name']}");
     // Remove
     /**
      * action 'redux/page/{opt_name}/form/before'
      *
      * @param object $this ReduxFramework
      */
     do_action("redux/page/{$this->parent->args['opt_name']}/form/before", $this);
     $this->get_template('layout.tpl.php');
     /**
      * action 'redux-page-after-form-{opt_name}'
      *
      * @deprecated
      */
     do_action("redux-page-after-form-{$this->parent->args['opt_name']}");
     // REMOVE
     /**
      * action 'redux/page/{opt_name}/form/after'
      *
      * @param object $this ReduxFramework
      */
     do_action("redux/page/{$this->parent->args['opt_name']}/form/after", $this);
     echo '<div class="clear"></div>';
     echo '</div><!--wrap-->';
     if ($this->parent->args['dev_mode'] == true) {
         if (current_user_can('administrator')) {
             global $wpdb;
             echo "<br /><pre>";
             print_r($wpdb->queries);
             echo "</pre>";
         }
         echo '<br /><div class="redux-timer">' . get_num_queries() . ' queries in ' . timer_stop(0) . ' seconds<br/>Redux is currently set to developer mode.</div>';
     }
     /**
      * action 'redux/{opt_name}/panel/after'
      */
     do_action("redux/{$this->parent->args['opt_name']}/panel/after");
 }

 function basic_performance()
 {
     global $pl_start_time, $pl_start_mem, $pl_perform;
     $pl_perform['memory'] = array('num' => round((memory_get_usage() - $pl_start_mem) / (1024 * 1024), 3), 'label' => 'MB', 'title' => __('Editor Memory', 'pagelines'), 'info' => __('Amount of memory used by the DMS editor in MB during this page load.', 'pagelines'));
     $pl_perform['queries'] = array('num' => get_num_queries(), 'label' => __('Queries', 'pagelines'), 'title' => __('Total Queries', 'pagelines'), 'info' => __('The number of database queries during the WordPress/Editor execution.', 'pagelines'));
     $pl_perform['total_time'] = array('num' => timer_stop(0), 'label' => __('Seconds', 'pagelines'), 'title' => __('Total Time', 'pagelines'), 'info' => __('Total time to render this page including WordPress and DMS editor.', 'pagelines'));
     $pl_perform['time'] = array('num' => round(microtime(TRUE) - $pl_start_time, 3), 'label' => __('Seconds', 'pagelines'), 'title' => __('Editor Time', 'pagelines'), 'info' => __('Amount of time it took to load this page once DMS had started.', 'pagelines'));
     return $pl_perform;
 }

function performance()
{
    $visible = false;
    if (current_user_can('manage_options')) {
        $visible = true;
    }
    $stat = sprintf('%d queries in %.3f seconds, using %.2fMB memory', get_num_queries(), timer_stop(0, 3), memory_get_peak_usage() / 1024 / 1024);
    echo $visible ? '<div id="performance">' . $stat . '</div>' : "<!-- {$stat} -->";
}

 private function _getPageLoadStats()
 {
     $_nSeconds = timer_stop(0);
     $_nQueryCount = get_num_queries();
     $_nMemoryUsage = round($this->_convertBytesToHR(memory_get_usage()), 2);
     $_nMemoryPeakUsage = round($this->_convertBytesToHR(memory_get_peak_usage()), 2);
     $_nMemoryLimit = round($this->_convertBytesToHR($this->_convertToNumber(WP_MEMORY_LIMIT)), 2);
     $_sInitialMemoryUsage = round($this->_convertBytesToHR($this->_nInitialMemoryUsage), 2);
     return "<div id='admin-page-framework-page-load-stats'>" . "<ul>" . "<li>" . sprintf($this->oMsg->get('queries_in_seconds'), $_nQueryCount, $_nSeconds) . "</li>" . "<li>" . sprintf($this->oMsg->get('out_of_x_memory_used'), $_nMemoryUsage, $_nMemoryLimit, round($_nMemoryUsage / $_nMemoryLimit, 2) * 100 . '%') . "</li>" . "<li>" . sprintf($this->oMsg->get('peak_memory_usage'), $_nMemoryPeakUsage) . "</li>" . "<li>" . sprintf($this->oMsg->get('initial_memory_usage'), $_sInitialMemoryUsage) . "</li>" . "</ul>" . "</div>";
 }

 public function collect()
 {
     foreach ($GLOBALS['timers'] as $name => &$timer) {
         if (isset($timer['start'])) {
             timer_stop($name);
         }
         foreach ($timer['measures'] as $measure) {
             call_user_func_array(array($this, 'addMeasure'), $measure);
         }
     }
     return parent::collect();
 }

 function endRequest()
 {
     if (is_page() || is_single() || is_category() || is_home() || is_archive()) {
         $url = $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"];
         $requestName = $this->getRequestName();
         $startTime = $_SERVER["REQUEST_TIME"];
         $duration = timer_stop(0, 3) * 1000;
         $this->_telemetryClient->trackRequest($requestName, $url, $startTime, $duration);
         // Flush all telemetry items
         $this->_telemetryClient->flush();
     }
 }

 public function inicializador($phase)
 {
     static $phases = array(SITEBILDER_CONFIGURATION, SITEBILDER_LANGUAGE, SITEBILDER_ACCESS, SITEBILDER_PERFIL, SITEBILDER_SESSION, SITEBILDER_PAGE, SITEBILDER_SAJAX, SITEBILDER_FULL), $phase_index = 0;
     $this->unset_globals();
     timer_start('index.php');
     /* inicia as fazes de configuração. */
     while ($phase >= $phase_index && isset($phases[$phase_index])) {
         $current_phase = $phases[$phase_index];
         unset($phases[$phase_index++]);
         $this->sitebilder_inicializador($current_phase);
     }
     $this->debug['index.php'] = timer_stop('index.php');
 }