PHP Object::fetch方法代码示例

 /**
  * Given the list of params in the params array, fetch the object
  * and store the values in the values array
  *
  * @param Object $block         typically a Phone|Email|IM object
  * @param string $blockName     name of the above object
  * @param array  $params        input parameters to find object
  * @param array  $values        output values of the object
  * @param array  $ids           the array that holds all the db ids
  * @param int    $blockCount    number of blocks to fetch
  *
  * @return array of $block objects.
  * @access public
  * @static
  */
 function &getValues(&$block, $blockName, &$params, &$values, &$ids, $blockCount = 0)
 {
     $block->copyValues($params);
     $flatten = false;
     if (empty($blockCount)) {
         $blockCount = 1;
         $flatten = true;
     } else {
         $values[$blockName] = array();
         $ids[$blockName] = array();
     }
     $blocks = array();
     // we first get the primary location due to the order by clause
     $block->orderBy('is_primary desc');
     $block->find();
     for ($i = 0; $i < $blockCount; $i++) {
         if ($block->fetch()) {
             if ($flatten) {
                 CRM_Core_DAO::storeValues($block, $values);
                 $ids[$blockName] = $block->id;
             } else {
                 $values[$blockName][$i + 1] = array();
                 CRM_Core_DAO::storeValues($block, $values[$blockName][$i + 1]);
                 $ids[$blockName][$i + 1] = $block->id;
             }
             $blocks[$i + 1] = clone $block;
         }
     }
     return $blocks;
 }

 /**
  * Fast string templating.
  * Uses a Twig-like syntax.
  *
  * @example
  *    echo Text::render('Your IP is : {{ server.REMOTE_HOST }}',array('server' => $_SERVER));
  *
  * @author Stefano Azzolini <stefano.azzolini@caffeinalab.com>
  * @access public
  * @static
  * @param mixed $t  The text template
  * @param mixed $v (default: null)  The array of values exposed in template.
  * @return string
  */
 public static function render($t, $v = null)
 {
     if (Options::get('core.text.replace_empties', true)) {
         $replacer = function ($c) use($v) {
             return Object::fetch(trim($c[1]), $v);
         };
     } else {
         $replacer = function ($c) use($v) {
             return Object::fetch(trim($c[1]), $v) ?: $c[0];
         };
     }
     return preg_replace_callback("(\\{\\{([^}]+)\\}\\})S", $replacer, $t);
 }

 /**
  * This will retrieve the results and place them into a nice array to use.
  *
  * @param Object $stmt :  Results of prior query
  **/
 function get_result($stmt)
 {
     $meta = $stmt->result_metadata();
     while ($field = $meta->fetch_field()) {
         $parameters[] =& $row[$field->name];
     }
     call_User_func_array(array($stmt, 'bind_result'), $parameters);
     while ($stmt->fetch()) {
         foreach ($row as $key => $val) {
             $x[$key] = $val;
         }
         $results[] = $x;
     }
     if (isset($results)) {
         return $results;
     }
 }

 /**
  * Given the list of params in the params array, fetch the object
  * and store the values in the values array
  *
  * @param Object $block         typically a Phone|Email|IM|OpenID object
  * @param string $blockName     name of the above object
  * @param array  $values        output values of the object
  *
  * @return array of $block objects.
  * @access public
  * @static
  */
 static function retrieveBlock(&$block, $blockName)
 {
     // we first get the primary location due to the order by clause
     $block->orderBy('is_primary desc, id');
     $block->find();
     $count = 1;
     $blocks = array();
     while ($block->fetch()) {
         CRM_Core_DAO::storeValues($block, $blocks[$count]);
         //unset is_primary after first block. Due to some bug in earlier version
         //there might be more than one primary blocks, hence unset is_primary other than first
         if ($count > 1) {
             unset($blocks[$count]['is_primary']);
         }
         $count++;
     }
     return $blocks;
 }

 /**
  * 抓取页面
  * @access protected
  * @param string $url 目标页面url
  * @param string $mode 采集模式，支持snoopy，curl，和file
  * @return string
  */
 protected function _fetch($url, $mode = 'snoopy')
 {
     switch ($mode) {
         case 'snoopy':
             if (!$this->snoopy) {
                 $this->snoopy = new Snoopy();
                 $this->snoopy->agent = 'Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36';
             }
             //设置代理
             if ($this->proxy) {
                 $this->snoopy->proxy_host = $this->proxy['host'];
                 $this->snoopy->proxy_port = $this->proxy['port'];
             } else {
                 $this->snoopy->proxy_host = $this->snoopy->proxy_port = "";
             }
             if ($this->snoopy->fetch($url)) {
                 return array('http_code' => $this->snoopy->status, 'content' => $this->snoopy->results);
             } else {
                 $this->error = "抓取页面失败！";
                 return false;
             }
             break;
         case 'curl':
             if (!$this->curl) {
                 $this->curl = curl_init();
                 // 设置浏览器信息
                 curl_setopt($this->curl, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36");
                 // 设置header
                 curl_setopt($this->curl, CURLOPT_HEADER, 0);
                 curl_setopt($this->curl, CURLOPT_FOLLOWLOCATION, 1);
                 // 设置cURL 参数，要求结果保存到字符串中还是输出到屏幕上。
                 curl_setopt($this->curl, CURLOPT_RETURNTRANSFER, 1);
             }
             //设置代理
             if ($this->proxy) {
                 curl_setopt($this->curl, CURLOPT_PROXY, $this->proxy['ip'] . ':' . $this->proxy['port']);
             } else {
                 curl_setopt($this->curl, CURLOPT_PROXY, '');
             }
             // 设置需要抓取的URL
             curl_setopt($this->curl, CURLOPT_URL, $url);
             // 运行cURL，请求网页
             $content = curl_exec($this->curl);
             if ($content) {
                 $http_code = curl_getinfo($this->curl, CURLINFO_HTTP_CODE);
                 return array('http_code' => $http_code, 'content' => $content);
             } else {
                 $this->error = "抓取页面失败！";
                 return false;
             }
             break;
         default:
             $content = file_get_contents($url);
             if ($content) {
                 return array('http_code' => 200, 'content' => $content);
             } else {
                 $this->error = "抓取页面失败！";
                 return false;
             }
             break;
     }
 }

 /**
  * Construct an object of the DBMS_Result class for a generic DBMS Result system
  * Permits to know what functions have to be implemented and can be used
  * @param Object $handle DBMS Result like MySQLi_Result or else
  */
 public function __construct($handle)
 {
     $infos = $handle->result_metadata();
     assert('$infos != NULL');
     $fields = $infos->fetch_fields();
     $values = array();
     $s = '';
     for ($i = 0; $i < count($fields); $i++) {
         if (!empty($s)) {
             $s .= ', ';
         }
         $s .= '$values["' . $fields[$i]->name . '"]';
     }
     eval('$handle->bind_result(' . $s . ');');
     for ($i = 0; $i < $handle->affected_rows; $i++) {
         $handle->fetch();
         $obj = new stdClass();
         // Create new empty object
         foreach ($values as $key => $value) {
             $obj->{$key} = $value;
         }
         $this->results[] = $obj;
     }
 }

 /**
  * Fast string templating.
  * Uses a Twig-like syntax.
  *
  * @example
  *		echo String::render('Your IP is : {{ server.REMOTE_HOST }}',array('server' => $_SERVER));
  *
  * @author Stefano Azzolini <stefano.azzolini@caffeinalab.com>
  * @access public
  * @static
  * @param mixed $t	The text template
  * @param mixed $v (default: null)	The array of values exposed in template.
  * @return string
  */
 public static function render($t, $v = null)
 {
     for ($r = $ox = $x = false; false !== ($x = $y = strpos($t, '{{', $x)); $r .= substr($t, $ox, $x - $ox), $c = substr($t, $x += 2, $l = ($y = strpos($t, '}}', $x)) - $x), $ox = $x += $l + 2, $r .= Object::fetch($c, $v)) {
     }
     return $r === false ? $t : $r . substr($t, $ox);
 }

 /**
  * Return a sigle row query like JSON
  * @return string
  */
 public function loadJsonObject()
 {
     $jsonObject = json_encode($this->stmt->fetch(PDO::FETCH_ASSOC));
     return $jsonObject;
 }