PHP 读取文件

获取文件的长度

fseek(stream,   0,   SEEK_SET); 
filelen = ftell(fseek(stream,   0,   SEEK_END)); 
fseek(stream,   0,   SEEK_SET);
FILE   *stream; 
char   buf[1000]; 
int   filelen; 
stream=fopen( "c:\\a.txt ",   "w+ "); 
if(NULL   ==     stream)   return; 
fseek(stream,   0,   SEEK_SET); 
filelen   =   ftell(fseek(stream,   0,   SEEK_END)); 
fseek(stream,   0,   SEEK_SET); 
if(filelen   <=   sizeof(buff))   fread(buff,   filelen,   1,   stream); 
else   ...
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原文地址：https://www.cnblogs.com/bugY/p/2595331.html