万邦淘宝电商平台API调用PHP-SDK，支持 \淘宝\1688\当当\京东\阿里巴巴\阿里妈妈\速卖通\拼多多等

<?php /** * secache php5.4版本以上使用 * MTI licence * pure-php coded key-value database engine created by shopex. * @version $Id$ * * @link https://github.com/shopex/secache */ defined('SECACHE_SIZE') or define('SECACHE_SIZE','15M'); /** * 文件级缓存 Secache增强 * * 类变量命名遵循驼峰 * 函数参数及内部变量命名使用下划线分隔 * * @author vb2005xu@qq.com */ class Secache { const DEFAULT_SIZE_15MBYTES = 15728640; // 15M 的字节数 const MIN_SIZE_10MBYTES = 10485760; // 10M 的字节数 const MIN_SIZE_10MKBYTES = 10240; // 10M 换算后的千字节数 private $idxNodeSize = 40; private $idxNodeBase = 0; private $dataBasePos = 262588; //40+20+24*16+16*16*16*16*4; private $schemaItemSize = 24; private $headerPadding = 20; //保留空间 放置php标记防止下载 private $infoSize = 20; //保留空间 4+16 maxsize|ver //40起 添加20字节保留区域 private $idxSeqPos = 40; //id 计数器节点地址 private $dfileCurPos = 44; //id 计数器节点地址 private $idxFreePos = 48; //id 空闲链表入口地址 private $idxBasePos = 444; //40+20+24*16 // protected $minSize = 10240; //10M最小值 private $maxSize; //最大值 private $schemaStruct = ['size','free','lru_head','lru_tail','hits','miss']; private $ver = '$Rev$'; protected $file = null; // 缓存文件路径 private $rs = null; // 文件句柄 private $bsizeList = []; private $nodeStruct = []; private $blockSizeList = []; public $name = 'Secache3'; public function workat($file) { $this->file = $file.'.php'; $this->bsizeList = [ 512 => 10, // 512 512B 3<<10 => 10, // 3*1024 3k 8<<10 => 10, // 8*1024 8k 20<<10 => 4, // 20*1024 20k 30<<10 => 2, // 30*1024 30k 50<<10 => 2, // 50*1024 50k 80<<10 => 2, // 80*1024 80k 96<<10 => 2, // 96*1024 96k 128<<10 => 2,// 128*1024 128k 224<<10 => 2,// 224*1024 224k 256<<10 => 2,// 256*1024 256k 512<<10 => 1,// 512*1024 512k 1024<<10=> 1,// 1024*1024 1024k ]; $this->nodeStruct = [ 'next' => [0,'V'], 'prev' => [4,'V'], 'data' => [8,'V'], 'size' => [12,'V'], 'lru_right' => [16,'V'], 'lru_left'=> [20,'V'], 'key' => [24,'H*'], ]; if(!file_exists($this->file)){ $this->create(); }else{ $this->rs = fopen($this->file,'rb+') or $this->trigger_error('Can\'t open the cachefile: '.realpath($this->file),E_USER_ERROR); $this->seek($this->headerPadding); $info = unpack('V1max_size/a*ver', fread($this->rs, $this->infoSize)); $info['ver'] = trim($info['ver']); if($info['ver'] != $this->ver){ $this->format(true); }else{ $this->maxSize = $info['max_size']; } } $this->idxNodeBase = $this->dataBasePos + $this->maxSize; $this->blockSizeList = array_keys($this->bsizeList); sort($this->blockSizeList); return true; } private function create() { $this->rs = fopen($this->file, 'wb+') or $this->trigger_error('Can\'t open the cachefile: '.realpath($this->file), E_USER_ERROR); fseek($this->rs, 0); fputs($this->rs, '<?php exit()?>'); return $this->format(false); } private function puts($offset,$data) { if($offset < $this->maxSize*1.5){ $this->seek($offset); return fputs($this->rs, $data); } $this->trigger_error("Offset over quota: {$offset}", E_USER_ERROR); } private function seek($offset) { return fseek($this->rs, $offset); } public function clear() { return $this->format(true); } public function fetch($key, &$return) { if($this->lock(false)){ $locked = true; } if($this->search($key, $offset)){ $info = $this->getNode($offset); $schema_id = $this->getSizeSchemaId($info['size']); if($schema_id === false){ if($locked) $this->unlock(); return false; } $this->seek($info['data']); $data = fread($this->rs, $info['size']); $return = unserialize($data); if($return === false){ if($locked) $this->unlock(); return false; } if($locked){ $this->lruPush($schema_id, $info['offset']); $this->setSchema($schema_id, 'hits', $this->getSchema($schema_id, 'hits')+1); return $this->unlock(); } return true; } if($locked) $this->unlock(); return false; } /** * lock * * 如果flock不管用，请继承本类，并重载此方法 * * @param mixed $is_block 是否阻塞 * * @return bool */ protected function lock($is_block, $whatever=false) { ignore_user_abort(1); return flock($this->rs, $is_block ? LOCK_EX : LOCK_EX + LOCK_NB); } /** * unlock * * 如果flock不管用，请继承本类，并重载此方法 * * @return bool */ protected function unlock() { ignore_user_abort(0); return flock($this->rs, LOCK_UN); } public function delete($key, $pos=false) { if($pos || $this->search($key, $pos)){ if($info = $this->getNode($pos)){ //删除data区域 if($info['prev']){ $this->setNode($info['prev'], 'next', $info['next']); $this->setNode($info['next'], 'prev', $info['prev']); }else{ //改入口位置 $this->setNode($info['next'], 'prev', 0); $this->setNodeRoot($key, $info['next']); } $this->freeDSpace($info['size'], $info['data']); $this->lruDelete($info); $this->freeNode($pos); return $info['prev']; } } return false; } public function store($key,$value) { if($this->lock(true)){ //save data $data = serialize($value); $size = strlen($data); //get list_idx $has_key = $this->search($key,$list_idx_offset); $schema_id = $this->getSizeSchemaId($size); if($schema_id===false){ $this->unlock(); return false; } if($has_key){ $hdseq = $list_idx_offset; $info = $this->getNode($hdseq); if($schema_id == $this->getSizeSchemaId($info['size'])){ $dataoffset = $info['data']; }else{ //破掉原有lru $this->lruDelete($info); if(!($dataoffset = $this->dalloc($schema_id))){ $this->unlock(); return false; } $this->freeDSpace($info['size'], $info['data']); $this->setNode($hdseq, 'lru_left', 0); $this->setNode($hdseq, 'lru_right', 0); } $this->setNode($hdseq, 'size', $size); $this->setNode($hdseq, 'data', $dataoffset); }else{ if(!($dataoffset = $this->dalloc($schema_id))){ $this->unlock(); return false; } $hdseq = $this->allocIdx([ 'next'=>0, 'prev'=>$list_idx_offset, 'data'=