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The perfect solution to PHP's inability to upload large files

小云云

May 11, 2018 pm 05:56 PM

phpuploaddocument

本文我们主要和大家分享完美解决php无法上传大文件的方法，无法上传大文件是因为php.ini配置有限制了，这样限制了用户默认最大为2ＭＢ了，超过了就不能上传了，本文我们主要和大家分享完美解决php无法上传大文件的方法，希望能帮助到大家。

参数设置说明
file_uploads on 是否允许通过HTTP上传文件的开关。默认为ON即是开
upload_tmp_dir – 文件上传至服务器上存储临时文件的地方，如果没指定就会用系统默认的临时文件夹
upload_max_filesize 8m 望文生意，即允许上传文件大小的最大值。默认为2M
post_max_size 8m 指通过表单POST给PHP的所能接收的最大值，包括表单里的所有值。默认为8M
说明
一般地，设置好上述四个参数后，在网络正常的情况下，上传但如果要上传>8M的大体积文件，只设置上述四项还一定能行的通。除非你的网络真有100M/S的上传高速，否则你还得继续设置下面的参数。
max_execution_time 600 每个PHP页面运行的最大时间值(秒)，默认30秒
max_input_time 600 每个PHP页面接收数据所需的最大时间，默认60秒
memory_limit 8m 每个PHP页面所吃掉的最大内存，默认8M
把上述参数修改后，在网络所允许的正常情况下，就可以上传大体积文件了
[编辑]论坛文件上传常见错误类型（不断总结中…）

 Warning: Unable to open ‘\\php2′ for reading: Invalid argument in e:\user\web\larksoft.net\upload\upfile.php on line 10

是php的upload_tmp_dir的原因，所指定的目录必须可读可写

Parse error: parse error in c:\program files\apache group\apache\htdocs\mdweb\ftpfile\upload.php on line 14

Parse error一般都是语句的问题，比如象“；”，“’”，“）”等等的匹配问题

搞定了，是/etc/httpd/conf.d/php.conf里面，有一个

 <Files *.php>
  SetOutputFilter PHP
  SetInputFilter PHP
  LimitRequestBody 524288
  </Files>

把LimitRequestBody 改了就可以了。
如果你是Nginx的话还需要修改nginx.conf中的http段：
1. 修改PHP配置文件中的三项：vim /usr/local/php/etc/php.ini
（1）post_max_size = 50M　　　　　　#PHP可接受的最大POST数据
（2）upload_max_filesize = 50M　　　#文件上传允许的最大值
（3）max_execution_time = 300　　　#每个脚本的最大执行时间，秒钟（0则不限制，不建议设0）
2. 修改Nginx配置文件：vim /usr/local/nginx/conf/nginx.conf　(如果忘了配置文件的具体位置，可以使用 locate nginx.conf 查找)
（1）client_max_body_size 50m　　　#客户端最大上传大小 50M
3. 重启PHP：/etc/init.d/php-fpm restart
4. 平滑重启Nginx：/usr/local/nginx/sbin/nginx -s reload

相关推荐：

php实现文件上传的示例代码分享

php实现多文件上传的一种方法

php文件大小检测以及大文件上传处理

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