function display_log($logname)
{
global $lang_viewlog_php, $folder_icon, $delete_all_icon, $delete_this_icon, $view_icon, $LINEBREAK;
echo <<<EOT
<tr>
<td class="tableb" align="center">
<button type="button" class="button" name="dall" value="{$lang_viewlog_php['delete_all']}" id="dall" onclick="window.location='viewlog.php?action=dall';">{$delete_all_icon}{$lang_viewlog_php['delete_all']}</button>
<button type="button" class="button" value="{$lang_viewlog_php['view_logs']}" name="back1" id="back1" onclick="window.location='viewlog.php';">{$view_icon}{$lang_viewlog_php['view_logs']}</button>
<button type="button" class="button" value="{$lang_viewlog_php['delete_this']}" name="dthis1" id="dthis1" onclick="window.location='viewlog.php?action=dthis&log={$logname}';">{$delete_this_icon}{$lang_viewlog_php['delete_this']}</button>
</td>
</tr>
<tr>
<td class="tableb">
<ul>
EOT;
$log_array = explode('---', log_read($logname));
foreach ($log_array as $log_entry) {
if ($log_entry != '' && $log_entry != $LINEBREAK) {
echo '<li>' . nl2br(htmlspecialchars(trim($log_entry))) . '</li>' . $LINEBREAK;
}
}
echo <<<EOT
</ul>
</td>
</tr>
<tr>
<td class="tableb" align="center">
<button class="button" type="button" value="{$lang_viewlog_php['delete_all']}" name="dall2" id="dall2" onclick="window.location='viewlog.php?action=dall';">{$delete_all_icon}{$lang_viewlog_php['delete_all']}</button>
<button class="button" type="button" value="{$lang_viewlog_php['view_logs']}" name="back2" id="back2" onclick="window.location='viewlog.php';">{$view_icon}{$lang_viewlog_php['view_logs']}</button>
<button class="button" type="button" value="{$lang_viewlog_php['delete_this']}" name="dthis2" id="dthis2" onclick="window.location='viewlog.php?action=dthis&log={$logname}';">{$delete_this_icon}{$lang_viewlog_php['delete_this']}</button>
</td>
</tr>
EOT;
}
function display_log($logname)
{
global $lang_viewlog_php;
echo <<<EOT
\t\t\t\t<tr>
\t\t\t\t\t\t<td class="tableb" align="center">
\t\t\t\t\t\t\t\t<input class="button" type="button" value="{$lang_viewlog_php['delete_all']}" name="dall1" id="dall1" onclick="window.location='viewlog.php?action=dall';" />
\t\t\t\t\t\t\t\t<input class="button" type="button" value="{$lang_viewlog_php['view_logs']}" name="back1" id="back1" onclick="window.location='viewlog.php';" />
\t\t\t\t\t\t\t\t<input class="button" type="button" value="{$lang_viewlog_php['delete_this']}" name="dthis1" id="dthis1" onclick="window.location='viewlog.php?action=dthis&log={$logname}';" />
\t\t\t\t\t\t</td>
\t\t\t\t</tr>
\t\t\t\t<tr>
\t\t\t\t\t\t<td class="tableb">
\t\t\t\t\t\t\t\t<pre>
EOT;
log_read($logname);
echo <<<EOT
\t\t\t\t\t\t\t\t</pre>
\t\t\t\t\t\t</td>
\t\t\t\t</tr>
\t\t\t\t<tr>
\t\t\t\t\t\t<td class="tableb" align="center">
\t\t\t\t\t\t\t\t<input class="button" type="button" value="{$lang_viewlog_php['delete_all']}" name="dall2" id="dall2" onclick="window.location='viewlog.php?action=dall';" />
\t\t\t\t\t\t\t\t<input class="button" type="button" value="{$lang_viewlog_php['view_logs']}" name="back2" id="back2" onclick="window.location='viewlog.php';" />
\t\t\t\t\t\t\t\t<input class="button" type="button" value="{$lang_viewlog_php['delete_this']}" name="dthis2" id="dthis2" onclick="window.location='viewlog.php?action=dthis&log={$logname}';" />
\t\t\t\t\t\t</td>
\t\t\t\t</tr>
EOT;
}
function log_write($game, $entry)
{
$folder = get_game_folder($game);
$log = $folder . '/log.json';
$data = log_read($game);
$data[] = $entry;
file_put_contents($log, json_encode($data));
}
<?php
require_once __DIR__ . '/../lib/functions.php';
if ($_REQUEST['command'] == 'push') {
log_write($_REQUEST['game'], json_decode($_REQUEST['entry'], true));
}
if ($_REQUEST['command'] == 'get') {
$skip = empty($_REQUEST['skip']) ? 0 : $_REQUEST['skip'];
$log = log_read($_REQUEST['game']);
if (is_array($log)) {
$log = array_slice($log, $skip);
header('Content-type: application/json');
echo json_encode($log);
}
}
<?php
require_once '../../includes/initialize.php';
if (!$session->is_logged_in()) {
redirect_to("login.php");
}
if (isset($_GET['clear'])) {
if ($_GET['clear'] == 'true') {
log_clear();
log_action('Log', 'log was cleared.');
redirect_to('logfile.php');
}
}
?>
<?php
include_layout_template('admin_header.php');
?>
<div id="menu">
<h2>Log file</h2>
<a href="logfile.php?clear=true">Clear log file.</a>
</div>
<?php
echo nl2br(log_read());
include_layout_template('admin_footer.php');
function log_update($kind, $filename, $key, $mustkey, $data)
{
$log_data = log_read($filename);
$_key = explode(':', $key);
$name = log::set_fieldname($kind);
$put = false;
for ($i = 0; $i < count($log_data); $i++) {
$fld = log::line2field($log_data[$i], $name);
$sw_update = true;
foreach ($_key as $idx) {
if (isset($data[$idx]) && isset($fld[$idx]) && $data[$idx] != $fld[$idx]) {
$sw_update = false;
break;
}
/*
if (empty($data[$idx]) || empty($fld[$idx])) {
$sw_update = false;
break;
}
if ($data[$idx] != $fld[$idx]) {
$sw_update = false;
break;
}
*/
}
if ($sw_update) {
$log_data[$i] = log::array2table($data);
$put = true;
break;
}
}
// Add
if (!$put) {
if ($mustkey) {
if (log_mustkey_check($_key, $data)) {
$log_data[] = log::array2table($data);
$put = true;
}
} else {
$log_data[] = log::array2table($data);
$put = true;
}
}
if (!$put) {
return '';
}
$fp = @fopen($filename, 'wb');
if ($fp == false) {
return '';
}
@flock($fp, LOCK_SH);
foreach ($log_data as $_log_data) {
fputs($fp, $_log_data);
}
@flock($fp, LOCK_UN);
@fclose($fp);
}
function indexAction()
{
$log = explode("\n", log_read());
$data = PagerHelper::arrayPage('admin/log/index', 50, $log);
return $this->view('log', $data);
}
/**
* Open log file with a condition and use yield
*/
function log_read($name, $fileName = 'dummy.log')
{
$handle = fopen($fileName, 'r');
if ($handle) {
while ($buffer = fgets($handle)) {
if (strpos($buffer, $name) !== false) {
// This is the heart of generator. Very simple !
(yield $buffer);
}
}
if (!feof($handle)) {
echo "Error: unexpected fgets() faiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiil";
}
fclose($handle);
}
}
$randomNames = array('Khanh', 'Son', 'Bang', 'Viet');
$nameToFind = 'Viet';
// Firstly we write about 1 million lines of text to a file
log_write($randomNames);
// And then open the file and find the lines that contain 'Viet'
$lines = log_read($nameToFind);
foreach ($lines as $key => $line) {
echo $line, '<br/>';
if ($key == 10) {
break;
}
}
