当前位置: 首页>>代码示例>>PHP>>正文


PHP mysqli_stmt::fetch_fields方法代码示例

本文整理汇总了PHP中mysqli_stmt::fetch_fields方法的典型用法代码示例。如果您正苦于以下问题:PHP mysqli_stmt::fetch_fields方法的具体用法?PHP mysqli_stmt::fetch_fields怎么用?PHP mysqli_stmt::fetch_fields使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在mysqli_stmt的用法示例。


在下文中一共展示了mysqli_stmt::fetch_fields方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的PHP代码示例。

示例1: execute


//.........这里部分代码省略.........
  * @return bool Returns TRUE on success or FALSE on failure.
  * @throws \InvalidArgumentException
  * @api
  */
 public function execute(array $input_parameters = array())
 {
     $parameterValues = $this->parameters;
     if (!empty($input_parameters)) {
         $parameterValues = array();
         foreach ($input_parameters as $key => $value) {
             $parameterValues[$key] = array('value' => $value, 'type' => $this->guessValueType($value));
         }
     }
     if ($this->statement !== NULL) {
         // The statement has already been executed, we try to reset it
         // for current run but will set it to NULL if it fails for some
         // reason, just as if it were the first run
         if (!@$this->statement->reset()) {
             $this->statement = NULL;
         }
     }
     if ($this->statement === NULL) {
         // The statement has never been executed so we prepare it and
         // store it for further reuse
         $query = $this->query;
         $precompiledQueryParts = $this->precompiledQueryParts;
         $this->convertNamedPlaceholdersToQuestionMarks($query, $parameterValues, $precompiledQueryParts);
         if (!empty($precompiledQueryParts)) {
             $query = implode('', $precompiledQueryParts['queryParts']);
         }
         $this->statement = $GLOBALS['TYPO3_DB']->prepare_PREPAREDquery($query, $precompiledQueryParts);
         if ($this->statement === NULL) {
             return FALSE;
         }
     }
     $combinedTypes = '';
     $values = array();
     foreach ($parameterValues as $parameterValue) {
         switch ($parameterValue['type']) {
             case self::PARAM_NULL:
                 $type = 's';
                 $value = NULL;
                 break;
             case self::PARAM_INT:
                 $type = 'i';
                 $value = (int) $parameterValue['value'];
                 break;
             case self::PARAM_STR:
                 $type = 's';
                 $value = $parameterValue['value'];
                 break;
             case self::PARAM_BOOL:
                 $type = 'i';
                 $value = $parameterValue['value'] ? 1 : 0;
                 break;
             default:
                 throw new \InvalidArgumentException(sprintf('Unknown type %s used for parameter %s.', $parameterValue['type'], $key), 1281859196);
         }
         $combinedTypes .= $type;
         $values[] = $value;
     }
     // ->bind_param requires second up to last arguments as references
     if (!empty($combinedTypes)) {
         $bindParamArguments = array();
         $bindParamArguments[] = $combinedTypes;
         $numberOfExtraParamArguments = count($values);
         for ($i = 0; $i < $numberOfExtraParamArguments; $i++) {
             $bindParamArguments[] =& $values[$i];
         }
         call_user_func_array(array($this->statement, 'bind_param'), $bindParamArguments);
     }
     $success = $this->statement->execute();
     // Store result
     if (!$success || $this->statement->store_result() === FALSE) {
         return FALSE;
     }
     if (empty($this->fields)) {
         // Store the list of fields
         if ($this->statement instanceof \mysqli_stmt) {
             $result = $this->statement->result_metadata();
             if ($result instanceof \mysqli_result) {
                 $fields = $result->fetch_fields();
                 $result->close();
             }
         } else {
             $fields = $this->statement->fetch_fields();
         }
         if (is_array($fields)) {
             foreach ($fields as $field) {
                 $this->fields[] = $field->name;
             }
         }
     }
     // New result set available
     $this->buffer = NULL;
     // Empty binding parameters
     $this->parameters = array();
     // Return the success flag
     return $success;
 }
开发者ID:plan2net,项目名称:TYPO3.CMS,代码行数:101,代码来源:PreparedStatement.php


注:本文中的mysqli_stmt::fetch_fields方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。