fseek

PHP File processing advanced application-file pointer php can implement the positioning of the file pointer and query, so as to achieve the required information fast query, the file pointer function has rewind (), fseek (), feof () and Ftell ()

/*========================================================== ==========================================Name: quanhaunchong. cAuthor:Version:Copyright: Your copyright noticeDescription: Hello world in C, ANSI-style=====================================

In reading the code, encountered a very early use of the fseek (), a long time no use, a little strange, write for the next review.function function is to point the file pointer to the beginning of the file, need to include the header file

This article mainly compares and analyzes the efficiency of using the file function and fseek function in php to read large files, which has a certain reference value, if you are interested, you can refer to the file function and fseek function for

Php can use the file function and fseek function to read large files, but the efficiency between the two may be different. This article introduces phpfile function and fseek function to achieve comparison and analysis of the reading efficiency of

PHP read large files can use the file function and the fseek function, but there may be differences in efficiency, this article to introduce PHP file function and fseek function to achieve large file reading efficiency of comparative analysis, the

This article mainly introduces the PHP mobile file pointer ftell (), fseek (), rewind () function summary. This article first explains their functions, and then provides specific examples, for more information about how to read and write a file, you

//file function re-speak//fseek (), Ftell (),#define_crt_secure_no_warnings#include#includevoidMain () {//Defining file Paths Char*path ="E:\\look\\b1.txt";//Support window only Char*path1 ="E:/look/b1.txt";//support Windows and

It is very easy to read files in PHP, but how to fix them if the files you read are very large? We can directly use Fseek to do large file operation, this article introduces you to PHP using the Fseek function to read large files, the need for

It is very easy to read files in PHP, but how to fix them if the files you read are very large? We can directly use Fseek to do large file operation, this article introduces you to PHP using the Fseek function to read large files, the need for

Fseek (read/write location of a mobile file Stream)Related functions: rewind, ftell, fgetpos, fsetpos, and lseek Header file # include  Defines the int fseek (FILE * stream, long offset, int whence) function ); Function Description: fseek () is used

When I was reading the code, I encountered the fseek () that I used very early. It was not practical for a long time. It was a little strange. I wrote it for future reference. The function is to point the file pointer to the beginning of the file

The php fseek function can be used to read large files, The fseek function is the most common method for php to read large files. It does not need to read all the file content into the memory, but directly operates through pointers, so the

Requirement: when reading a file, you need to know the total number of characters in the file, which may be to define the buffer size or copy the file in advance. It can also be used to dynamically create arrays. Before proceeding to these two

int fseek (FILE *stream, long offset, int fromwhere);fseek is used to open files in binary mode, move file read/write pointer position. int fseek (FILE *stream, long offset, int origin);the first parameter stream is a file pointerThe second

Sometimes, when the code is correct in the normal programming era, we think that the return value of fseek is either 0 or other, that is, if seek files return a value of FI 0. In fact, I didn't care too much about it before, and I didn't have an

In the process of reading and writing files, it is sometimes necessary to jump in a file, read in different locations, and write data to a different location. For example, you would need to move a file pointer to save data using a file emulation

1. fopen FILE * fopen (const char * path,const char * mode); function Description The parameter path string contains the file path and filename you want to open, and the parameter mode string represents the flow pattern. Mode has the following

reprinted from: http://blog.csdn.net/xidianzhimeng/article/details/235412891 fopenFunction prototype: File * fopen (const char * path,const char * mode); return value: When the file is opened successfully, the pointer to the stream will be returned.

PHP read large files, using the Fseek function is the most common way, it does not need to read all the contents of the file into memory, but directly through the pointer to operate, so the efficiency is quite efficient. There are several different