php 表单提交大量数据发生丢失的解决方法_PHP
最近在项目中，出现一个奇怪的现象，有一个大form里面有上千个input，提交的时候，老是发现post过来的数据不完整，一开始还怀疑是html 表单名称有冲突，排除掉了。
然后，网上找了一堆，php.ini 的post_max_size和upload_max_filesize都设置了很大的值，没用，nginx的client_max_body_size 500m;加到了那么大的值，也没用。
最后终于google到办法：原来PHP从5.3.9开始增加一个变量 max_input_vars 用来限制提交的表单数量,实在无语。
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该值默认情况下是1000 ， 不能满足有1000个以上输入项的需求，所以得在php.ini 里面加上更大的值如：
max_input_vars = 5000
修改后重启apache，终于一切正常！
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