修改PHP下传文件大小的限制
修改PHP上传文件大小的限制
修改php.ini
max_execution_time = 0，这个是每个脚本运行的最长时间，单位秒，0表示没有限制
max_input_time = 0， 这是每个脚本可以消耗的时间，单位也是秒，0表示没有限制
memory_limit = 256M，这个是脚本运行最大消耗的内存，根据你的需求更改数值256M?
post_max_size =200M，表单提交最大数据，此项不是限制单个文件的大小，而是针对整个表单的提交数据进行限制
upload_max_filesize = 180M，上载文件的最大许可大小
另外要说明的是，post_max_size 大于 upload_max_filesize 为佳。
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