protected static function write($log, $name, $repeat_ck = false)
{
if (empty($log)) {
return;
}
if (is_array($log)) {
$log = implode("\n", $log);
}
$hash = md5($log);
$time = time();
$ymd = '_' . date('Ymd', $time);
$filename = $name . $ymd . '.php';
$dir = MAIN_PATH . '/data/log/';
if (!is_dir($dir)) {
mkdir($dir, 0755, true);
}
$file = $dir . $filename;
$size = file_exists($file) ? filesize($file) : 0;
if ($repeat_ck) {
$fp = fopen($file, 'a+');
if (!$fp) {
exit('data/ 或 data/log/ 无法写入');
}
$last_pos = 10000;
$maxtime = 60 * 10;
$offset = $size - $last_pos;
if ($offset > 0) {
fseek($fp, $offset);
}
if (($data = fread($fp, $last_pos)) != false) {
$array = explode("\n\n", $data);
if (is_array($array)) {
foreach ($array as $key => $val) {
$row = explode("\n", $val);
if ($row[0] != '<?php exit(); ?>') {
continue;
}
list($thash, $ttime) = explode("\t", $row[1]);
if ($thash == $hash && ytimestamp($ttime) > $time - $maxtime) {
return;
}
}
}
}
}
if (!file_exists($file) || $size > 2097152) {
$dir = opendir($dir);
$name_len = strlen($name) + 1;
$len = $name_len + 9;
//加上下划线跟Ymd格式的长度下划线 _20130721_
$tmp_name = $name . '_';
$maxid = 0;
while (($entry = readdir($dir)) != false) {
if (substr($entry, 0, $name_len) != $tmp_name) {
continue;
}
$id = intval(substr($entry, $len, -4));
$id > $maxid && ($maxid = $id);
}
closedir($dir);
$logfiledbk = $dir . $name . $ymd . '_' . ($maxid + 1) . '.php';
@rename($file, $logfiledbk);
}
error_log('<?PHP exit;?>' . "\n{$hash}\t" . ygmdate($time, 'Y-m-d H:i:s') . "\n" . $log . "\n\n", 3, $file);
}
protected static function ck_date($value)
{
return ytimestamp($value);
}
