Recommended 10 articles for PHP ftell () functions

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 () function. In the previous article, "PHP File processing advanced Applications-remote file access and lock files" we introduced the remote access to files and how to lock files, not to see the small partners, you can go to see, here is not much to say, today we mainly talk about the function of the file pointer! A: Rewind () function This function sets the pointer of the file handle to the beginning of the file stream, and the syntax of the function is as follows: BOOL Rewind (Resource $handle) Note: If you open the file with append ("a") mode, Then any data written to the file will always be appended to the end of the file, no matter where the file pointer is located! Two: Fseek () function fseek () function implements the positioning of the file pointer, the function syntax format is as follows:

1. About PHP fseek () functions 10 articles recommended

Introduction: 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 () function. In the previous article, "PHP File processing advanced Applications-remote file access and lock files" we introduced the remote access to files and how to lock files, not to see the small partners, you can go to see, here is not much to say, today we mainly talk about the function of the file pointer! A: Rewind (...

2. About PHP feof () functions 10 articles recommended

Introduction: 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 () function. In the previous article, "PHP File processing advanced Applications-remote file access and lock files" we introduced the remote access to files and how to lock files, not to see the small partners, you can go to see, here is not much to say, today we mainly talk about the function of the file pointer! A: Rewind (...

3. Advanced Application of PHP file processing-File pointers

Introduction: 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 () function.

4. PHP Development of the file pointer, file lock

Introduction:: This article mainly introduces the PHP development of the file pointer, file lock, for the PHP tutorial interested students can refer to.

5. http://www.12306.cn/mormhweb/php Generate file

Introduction: http://www.12306.cn/mormhweb/:http://www.12306.cn/mormhweb/php Generated files: <? function Rw_counterfile () {$fp =fopen ("Counter.txt", "r+"), if ($fp ==null) echo "File handling Error", Rewind ($FP);//pointer moved to header fseek ($ FP, 2);//The pointer moves backwards by 2 $point =ftell ($FP);//Echo $point. ";"; /FP

6. PHP Generated Files _php tutorial

Introduction: PHP Generated files. Functionrw_counterfile () {$fp =fopen ("Counter.txt", "r+"), if ($fp ==null) echo "File handling Error", Rewind ($FP);//pointer moved to header fseek ($ fp,2);//The pointer moves backwards 2 $point =ftell ($

7. New questions: Do not understand ftell () solution ideas

Introduction: New questions: Do not understand ftell () <?php$fp = fopen (' Exa ', ' R '), $data = Fgets ($fp,); Echo Ftell ($FP); fclose ($FP);? > This example output: 13 If 15 is changed to 1046 such as the larger number, also output 13; If 15 is changed to 13, what is the output 12? ------Solutions--

8. New questions: Do not understand ftell () solution ideas

Introduction: New questions: Do not understand ftell () <?php$fp = fopen (' Exa ', ' R '), $data = Fgets ($fp,); Echo Ftell ($FP); fclose ($FP);? > This example output: 13 If 15 is changed to 1046 such as the larger number, also output 13; If 15 is changed to 13, what is the output 12? ------Solutions--

9. PHP Move file pointer ftell (), fseek (), rewind () function Summary

Introduction: This article mainly introduces the PHP mobile file pointer Ftell (), fseek (), rewind () function Summary, this article first on their role is explained, and then give specific use examples, the need for friends can refer to the next

10. File Operation function _php

Summary: The file operation function in PHP3.0 is similar to that of C, but there are some extensions, especially in addition to support the access to native files, and also support the HTTP and FTP URLs, as long as these URLs as filenames to the file operation function. The main file manipulation functions are: (1) fclose, feof, fgetc, Fgets, fopen, fputs, Fseek, Ftell, MKD