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splitbrainsplitbrain
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4 files changed

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‎XDebugParser.php‎

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<?php
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class XDebugParser
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{
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protected $handle;
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protected $functions = array();
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public function __construct($fileName)
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{
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$this->handle = fopen($fileName, 'r');
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if (!$this->handle) {
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throw new Exception("Can't open '$fileName'");
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}
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$header1 = fgets($this->handle);
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$header2 = fgets($this->handle);
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if (!preg_match('@Version: [23].*@', $header1) || !preg_match('@File format: [2-4]@', $header2)) {
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throw new Exception("This file is not an Xdebug trace file made with format option '1' and version 2 to 4.");
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}
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}
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public function parse()
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{
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$c = 0;
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$size = fstat($this->handle);
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$size = $size['size'];
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$read = 0;
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while (!feof($this->handle)) {
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$buffer = fgets($this->handle, 4096);
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$read += strlen($buffer);
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$this->parseLine($buffer);
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$c++;
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}
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}
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function parseLine($line)
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{
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$parts = explode("\t", $line);
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if (count($parts) < 5) {
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return;
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}
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$funcNr = (int) $parts[1];
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$type = $parts[2];
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switch ($type) {
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case '0': // Function enter
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$this->functions[$funcNr] = array();
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$this->functions[$funcNr]['depth'] = (int) $parts[0];
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$this->functions[$funcNr]['time.enter'] = $parts[3];
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$this->functions[$funcNr]['memory.enter'] = $parts[4];
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$this->functions[$funcNr]['name'] = $parts[5];
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$this->functions[$funcNr]['internal'] = !(bool) $parts[6];
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$this->functions[$funcNr]['file'] = $parts[8];
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$this->functions[$funcNr]['line'] = $parts[9];
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if($parts[7]) {
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$this->functions[$funcNr]['params'] = array($parts[7]);
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} else {
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$this->functions[$funcNr]['params'] = array_slice($parts, 11);
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}
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// these are set later
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$this->functions[$funcNr]['time.exit'] = '';
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$this->functions[$funcNr]['memory.exit'] = '';
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$this->functions[$funcNr]['time.diff'] = '';
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$this->functions[$funcNr]['memory.diff'] = '';
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$this->functions[$funcNr]['return'] = '';
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break;
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case '1': // Function exit
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$this->functions[$funcNr]['time.exit'] = $parts[3];
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$this->functions[$funcNr]['memory.exit'] = $parts[4];
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$this->functions[$funcNr]['time.diff'] = $this->functions[$funcNr]['time.exit'] - $this->functions[$funcNr]['time.enter'];
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$this->functions[$funcNr]['memory.diff'] = $this->functions[$funcNr]['memory.exit'] - $this->functions[$funcNr]['memory.enter'];
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break;
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case 'R'; // Function return
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$this->functions[$funcNr]['return'] = $parts[5];
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break;
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}
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}
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function getTrace()
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{
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return $this->functions;
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}
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function getTraceHTML()
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{
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ob_start();
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echo '<div class="f header">';
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echo '<div class="func">Function Call</div>';
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echo '<div class="data">';
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echo '<span class="timediff">ΔTime</span>';
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echo '<span class="memorydiff">ΔMemory</span>';
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echo '<span class="time">Time</span>';
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echo '</div>';
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echo '</div>';
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$level = 0;
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foreach ($this->functions as $func) {
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// depth wrapper
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if ($func['depth'] > $level) {
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for ($i = $level; $i < $func['depth']; $i++) {
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echo '<div class="d">';
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}
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} elseif ($func['depth'] < $level) {
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for ($i = $func['depth']; $i < $level; $i++) {
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echo '</div>';
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}
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}
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$level = $func['depth'];
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$class = 'f';
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if ($func['internal']) {
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$class .= ' i';
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}
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echo '<div class="' . $class . '">';
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echo '<div class="func">';
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echo '<span class="name">' . htmlspecialchars($func['name']) . '</span>';
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echo '(<span class="params short">' . htmlspecialchars(join(",", $func['params'])) . '</span>) ';
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if ($func['return'] !== '') {
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echo '→ <span class="return short">' . htmlspecialchars($func['return']) . '</span>';
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}
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echo '</div>';
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echo '<div class="data">';
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echo '<span class="timediff">' . sprintf('%f', $func['time.diff']) . '</span>';
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echo '<span class="memorydiff">' . sprintf('%d', $func['memory.diff']) . '</span>';
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echo '<span class="time">' . sprintf('%f', $func['time.enter']) . '</span>';
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echo '</div>';
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echo '</div>';
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}
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$html = ob_get_contents();
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ob_end_clean();
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return $html;
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}
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}

‎index.php‎

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<html>
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<head>
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<link rel="stylesheet" href="style.css">
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<script src="https://code.jquery.com/jquery-2.2.1.min.js"></script>
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<script src="script.js"></script>
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</head>
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<body>
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<form method="post">
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<label for="file">File:</label>
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<select name="file" id="file">
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<?php
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$dir = ini_get('xdebug.trace_output_dir');
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if(!$dir) $dir = '/tmp/';
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$files = glob("$dir/*.xt");
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foreach($files as $file) {
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echo '<option value="'.htmlspecialchars($file).'">'.htmlspecialchars(basename($file)).'</option>';
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}
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?>
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</select>
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<button type="submit">Load</button>
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</form>
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<form>
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<input type="checkbox" value="1" checked="checked" id="internal"><label for="internal">Show internal functions</label>
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</form>
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<?php
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if(!empty($_REQUEST['file'])) {
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require_once 'XDebugParser.php';
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$parser = new XDebugParser($_REQUEST['file']);
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$parser->parse();
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echo $parser->getTraceHTML();
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}
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?>
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</body>
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</html>

‎script.js‎

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$(function(){
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$('div.d').click(function (e) {
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if (e.target !== this) return;
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$(this).toggleClass('hide');
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e.preventDefault();
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e.stopPropagation();
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});
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$('span.params, span.return').click(function (e) {
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if (e.target !== this) return;
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$(this).toggleClass('short');
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e.preventDefault();
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e.stopPropagation();
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});
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$('#internal').change(function(){
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$('div.i').toggle();
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});
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});

‎style.css‎

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div.d {
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padding-left: 2em;
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cursor: pointer;
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}
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div.d.hide {
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height: 5px;
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background-color: #ccc;
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}
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div.d.hide * {
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display: none;
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}
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div.f {
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cursor: auto;
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display: flex;
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flex-wrap: nowrap;
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width: 100%;
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}
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div.f div {
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padding: 5px 0;
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}
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div.f div.func {
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flex-grow: 1;
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}
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div.f div.data {
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flex-grow: 0;
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width: 450px;
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min-width: 450px;
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max-width: 450px;
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}
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span {
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display: inline-block;
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line-height: 1.1em;
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vertical-align: bottom;
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}
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span.short {
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max-height: 1.1em;
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overflow: hidden;
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}
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span.name {
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font-weight: bold;
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}
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span.params {
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color: #468b5e;
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cursor: pointer;
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}
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span.return {
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color: #8a2200;
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cursor: pointer;
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}
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span.time,
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span.memorydiff,
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span.timediff {
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width: 150px;
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text-align: right;
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white-space: nowrap;
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}
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div.header {
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width: 100%;
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font-weight: bold;
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background-color: antiquewhite;
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}

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