MongoGridFSFile::getResource

(PECL mongo >=1.3.0)

MongoGridFSFile::getResource — Returns a resource that can be used to read the stored file

说明

public MongoGridFSFile::getResource ( void ) : resource

This method returns a stream resource that can be used with all file functions in PHP that deal with reading files. The contents of the file are pulled out of MongoDB on the fly, so that the whole file does not have to be loaded into memory first.

At most two GridFSFile chunks will be loaded in memory.

参数

此函数没有参数。

返回值

Returns a resource that can be used to read the file with

范例

Example #1 MongoGridFSFile::getResource() example


<?php
$m = new Mongo;
$images = $m->my_db->getGridFS('images');

$image = $images->findOne('mongo.png');

header('Content-type: image/png;');
$stream = $image->getResource();

while (!feof($stream)) {
    echo fread($stream, 8192);
}
?>

add a note

User Contributed Notes 1 note

down

chuck at manchuck dot com ¶

6 years ago


Please note that the file pointer is reset on each call to get resource

add a note

官方地址：https://www.php.net/manual/en/mongogridfsfile.getresource.php

有任何技术问题请点击这里网站运营推广招聘

IT PHP 编程语言 Linux 开发编程科技 Elasticsearch HTML/CSS/XML 网络数据库 JAVA 面试 NoSQL C/C++ Golang Git 算法操作系统正则表达式 Redis 互联网 MySql JavaScript 运维软件国际架构设计 Mac OS TCP/IP Excel Vim Windows Socket Oracle VR MongoDB Python 运营 MemCache 商业硬件电子娱乐设计 nginx 摄影游戏 WordPress HTTP 团建数码电器

php7 安装fileinfo扩展 preg_split — 通过一个正则表达式分隔字符串 php位值,解决 PHP 中 usort 在值相同时改变原始位置的问题 [PHP] inet_pton/inet_ntop IP地址转换函数 [鸟哥]PHP_INT_MIN 和 -9223372036854775808 PHP 8.1 ADORecordSet对象 adodb手册 opcache预加载 Composer的Packagist资源 array_multisort() 多字段排序 PHPMailer设置utf8 PHPMailer字符集CharSet mysql面试题 php中几种注释规范 PHP json解析（json_decode）页面工具 [原创]诡异的php-fpm超时问题纯php实现DES以及TripleDES加密算法 php上周一、本周一、下周一日期 php扩展开发 Packagist / Composer 中国全量镜像

略微加速

PHP官方手册 - 互联网笔记

MongoGridFSFile::getResource

说明

参数

返回值

范例

User Contributed Notes 1 note