/**
* Database query benchmarks.
*
* @return void
*/
public function benchmarks()
{
$benchmarks = Benchmark::get(TRUE);
// Moves the first benchmark (total execution time) to the end of the array
$benchmarks = array_slice($benchmarks, 1) + array_slice($benchmarks, 0, 1);
$table = array();
$table[] = array('Benchmark', 'Time', 'Memory');
foreach ($benchmarks as $name => $benchmark) {
// Clean unique id from system benchmark names
$name = ucwords(str_replace(array('_', '-'), ' ', str_replace(SYSTEM_BENCHMARK . '_', '', $name)));
$table[] = array($name, number_format($benchmark['time'], 3), number_format($benchmark['memory'] / 1024 / 1024, 2) . 'MB');
}
$this->firephp->fb(array(count($benchmarks) . ' benchmarks took ' . number_format($benchmark['time'], 3) . ' seconds and used up ' . number_format($benchmark['memory'] / 1024 / 1024, 2) . 'MB' . ' memory', $table), FirePHP::TABLE);
}
/**
* Inserts global Kohana variables into the generated output and prints it.
*
* @param string final output that will displayed
* @return void
*/
public static function render($output)
{
// Fetch memory usage in MB
$memory = function_exists('memory_get_usage') ? memory_get_usage() / 1024 / 1024 : 0;
// Fetch benchmark for page execution time
$benchmark = Benchmark::get(SYSTEM_BENCHMARK . '_total_execution');
if (self::config('core.render_stats') === TRUE) {
// Replace the global template variables
$output = str_replace(array('{kohana_version}', '{kohana_codename}', '{execution_time}', '{memory_usage}', '{included_files}'), array(KOHANA_VERSION, KOHANA_CODENAME, $benchmark['time'], number_format($memory, 2) . 'MB', count(get_included_files())), $output);
}
if ($level = self::config('core.output_compression') and ini_get('output_handler') !== 'ob_gzhandler' and (int) ini_get('zlib.output_compression') === 0) {
if ($level < 1 or $level > 9) {
// Normalize the level to be an integer between 1 and 9. This
// step must be done to prevent gzencode from triggering an error
$level = max(1, min($level, 9));
}
if (stripos(@$_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip') !== FALSE) {
$compress = 'gzip';
} elseif (stripos(@$_SERVER['HTTP_ACCEPT_ENCODING'], 'deflate') !== FALSE) {
$compress = 'deflate';
}
}
if (isset($compress) and $level > 0) {
switch ($compress) {
case 'gzip':
// Compress output using gzip
$output = gzencode($output, $level);
break;
case 'deflate':
// Compress output using zlib (HTTP deflate)
$output = gzdeflate($output, $level);
break;
}
// This header must be sent with compressed content to prevent
// browser caches from breaking
header('Vary: Accept-Encoding');
// Send the content encoding header
header('Content-Encoding: ' . $compress);
// Sending Content-Length in CGI can result in unexpected behavior
if (stripos(PHP_SAPI, 'cgi') === FALSE) {
header('Content-Length: ' . strlen($output));
}
}
echo $output;
}
/**
* Saves the benchmark results to a database
* @todo Use the database libraries for this instead of platform-specific DB calls
*
* @return void
*/
public static function save_results()
{
// Ignore all of these actions if we have benchmarking disabled
if (Kohana::config('benchmark.enable') === FALSE) {
return FALSE;
}
// Connect to the benchmark database
$db = Kohana::config('benchmark.db');
$link = mysql_connect($db['host'], $db['user'], $db['pass']) or die('Could not connect to benchmark database.');
mysql_select_db($db['database']) or die('Could not select benchmark database.');
$table = mysql_real_escape_string($db['table_prefix']) . 'benchmark';
$benchmark_results = Benchmark::get(TRUE);
foreach ($benchmark_results as $name => $data) {
// Don't save the generic system benchmark results
if (strstr($name, 'system_benchmark_') === FALSE) {
$query = 'INSERT INTO ' . $table . ' (`name`, `time`, `memory`) VALUES (\'' . mysql_real_escape_string($name) . '\', \'' . mysql_real_escape_string($data['time']) . '\', \'' . mysql_real_escape_string($data['memory']) . '\');';
// Execute the query
mysql_query($query, $link);
}
}
// Close the connection to the Benchmar DB
mysql_close($link);
}
/**
* Benchmark times and memory usage from the Benchmark library.
*
* @return void
*/
public function benchmarks()
{
if (!($table = $this->table('benchmarks'))) {
return;
}
$table->add_column();
$table->add_column('kp-column kp-data');
$table->add_column('kp-column kp-data');
$table->add_row(array('Benchmarks', 'Time', 'Memory'), 'kp-title', 'background-color: #FFE0E0');
$benchmarks = Benchmark::get(TRUE);
// Moves the first benchmark (total execution time) to the end of the array
$benchmarks = array_slice($benchmarks, 1) + array_slice($benchmarks, 0, 1);
text::alternate();
foreach ($benchmarks as $name => $benchmark) {
// Clean unique id from system benchmark names
$name = ucwords(str_replace(array('_', '-'), ' ', str_replace(SYSTEM_BENCHMARK . '_', '', $name)));
$data = array($name, number_format($benchmark['time'], 3), number_format($benchmark['memory'] / 1024 / 1024, 2) . 'MB');
$class = text::alternate('', 'kp-altrow');
if ($name == 'Total Execution') {
$class = 'kp-totalrow';
}
$table->add_row($data, $class);
}
}
/**
* Benchmark times and memory usage from the Benchmark library.
*
* @return void
*/
public static function benchmarks()
{
if (!Profiler::show('benchmarks')) {
return;
}
$table = new Profiler_Table();
$table->add_column();
$table->add_column('kp-column kp-data');
$table->add_column('kp-column kp-data');
$table->add_column('kp-column kp-data');
$table->add_row(array(__('Benchmarks'), __('Count'), __('Time'), __('Memory')), 'kp-title', 'background-color: #FFE0E0');
$benchmarks = Benchmark::get(TRUE);
// Moves the first benchmark (total execution time) to the end of the array
$benchmarks = array_slice($benchmarks, 1) + array_slice($benchmarks, 0, 1);
text::alternate();
foreach ($benchmarks as $name => $benchmark) {
// Clean unique id from system benchmark names
$name = ucwords(str_replace(array('_', '-'), ' ', str_replace(SYSTEM_BENCHMARK . '_', '', $name)));
$data = array(__($name), $benchmark['count'], number_format($benchmark['time'], Kohana::config('profiler.time_decimals')), number_format($benchmark['memory'] / 1024 / 1024, Kohana::config('profiler.memory_decimals')) . 'MB');
$class = text::alternate('', 'kp-altrow');
if ($name == 'Total Execution') {
// Clear the count column
$data[1] = '';
$class = 'kp-totalrow';
}
$table->add_row($data, $class);
}
Profiler::add($table);
}
/**
* Parse the CSS
*
* @return string - The processes css file as a string
* @author Anthony Short
**/
public static function parse_css()
{
# If the cache is stale or doesn't exist
if (self::config('core.cache.mod_time') <= self::config('core.request.mod_time')) {
# Start the timer
Benchmark::start("parse_css");
# Compress it before parsing
CSS::compress(CSS::$css);
# Import CSS files
Import::parse();
if (self::config('core.auto_include_mixins') === true) {
# Import the mixins in the plugin/module folders
Mixins::import_mixins('framework/mixins');
}
# Parse our css through the plugins
foreach (self::$plugins as $plugin) {
call_user_func(array($plugin, 'import_process'));
}
# Compress it before parsing
CSS::compress(CSS::$css);
# Parse the constants
Constants::parse();
foreach (self::$plugins as $plugin) {
call_user_func(array($plugin, 'pre_process'));
}
# Parse the @grid
Layout::parse_grid();
# Replace the constants
Constants::replace();
# Parse @for loops
Iteration::parse();
foreach (self::$plugins as $plugin) {
call_user_func(array($plugin, 'process'));
}
# Compress it before parsing
CSS::compress(CSS::$css);
# Parse the mixins
Mixins::parse();
# Find missing constants
Constants::replace();
# Compress it before parsing
CSS::compress(CSS::$css);
foreach (self::$plugins as $plugin) {
call_user_func(array($plugin, 'post_process'));
}
# Parse the expressions
Expression::parse();
# Parse the nested selectors
NestedSelectors::parse();
# Convert all url()'s to absolute paths if required
if (self::config('core.absolute_urls') === true) {
CSS::convert_to_absolute_urls();
}
# Replaces url()'s that start with ~ to lead to the CSS directory
CSS::replace_css_urls();
# Add the extra string we've been storing
CSS::$css .= CSS::$append;
# If they want to minify it
if (self::config('core.minify_css') === true) {
Minify::compress();
} else {
CSS::pretty();
}
# Formatting hook
foreach (self::$plugins as $plugin) {
call_user_func(array($plugin, 'formatting_process'));
}
# Validate the CSS
if (self::config('core.validate') === true) {
Validate::check();
}
# Stop the timer...
Benchmark::stop("parse_css");
if (self::config('core.show_header') === TRUE) {
CSS::$css = "/* Processed by CSScaffold on " . gmdate('r') . " in " . Benchmark::get("parse_css", "time") . " seconds */\n\n" . CSS::$css;
}
# Write the css file to the cache
self::cache_write(CSS::$css);
# Output process hook for plugins to display views.
# Doesn't run in production mode.
if (!IN_PRODUCTION) {
foreach (array_merge(self::$plugins, self::$modules) as $plugin) {
call_user_func(array($plugin, 'output'));
}
}
}
}
public static function benchmarks()
{
$benchmarks = array();
foreach (Benchmark::get(true) as $name => $benchmark) {
$benchmarks[$name] = array('name' => ucwords(str_replace(array('_', '-'), ' ', str_replace(SYSTEM_BENCHMARK . '_', '', $name))), 'time' => $benchmark['time'], 'memory' => $benchmark['memory']);
}
$benchmarks = array_slice($benchmarks, 1) + array_slice($benchmarks, 0, 1);
return $benchmarks;
}
for ($i = 0; $i < 5000; $i++) {
$r = mt_rand(0, 2);
$db->query(sprintf($sql, $records[$r]->title, $records[$r]->contents));
}
}
if (isset($_SERVER['argv'][1]) and $_SERVER['argv'][1] == 'fill') {
echo 'Generating test data.' . PHP_EOL;
for ($i = 0; $i < 10; $i++) {
fill_db();
echo ($i + 1) * 5000 . ' records generated.' . PHP_EOL;
}
exit;
}
Benchmark::start('select records');
$records = $db->query('SELECT id, title, contents FROM posts')->fetchAll(PDO::FETCH_OBJ);
Benchmark::stop('select records');
Benchmark::start('index');
$data = array('title' => 'Craiglist ads', 'records' => $records);
$index = parse('index.tpl', $data);
create('index', $index);
Benchmark::stop('index');
Benchmark::start('pages');
foreach ($records as $page) {
$data = array('page' => $page);
$content = parse('page.tpl', $data);
create($page->id, $content);
}
Benchmark::stop('pages');
Benchmark::stop('page');
var_dump(Benchmark::get(TRUE));
public function partials()
{
$data = $this->templateData();
Benchmark::start('grid');
$grid = DataGrid_Factory::create('test');
$grid->table->border = 1;
for ($column = 1; $column <= count($data['head']); $column++) {
$grid->addField('key' . $column, 'Header ' . $column);
}
$grid->addColumn('static data', 'Static Head');
$template = $grid->render('partials');
$this->view->template = $template['template'];
Benchmark::stop('grid');
$benchmark = Benchmark::get('grid');
$this->view->time = $benchmark['time'];
$this->view->partials = json_encode($template['partials']);
$this->view->data = json_encode($this->templateData());
}
