10 recommended courses on file pointers

Source: Internet
Author: User
Tags rewind
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. What is a PHP lock file? Summarize lock File instance usage

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 Ftell () 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. 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 (...

4. About PHP Fpassthru () functions 10 articles recommended

Summary: fpassthru-Output All remaining data file pointers  fpassthru (PHP 4, PHP 5) fpassthru-Output All remaining data file pointer Descriptions International FPASSTHRU (resources $ Processing) reads the specific file pointer of the EOF analysis from the current position and results are written to the output buffer. You may need to rewind the file () to reset the file at the beginning of the pointer if you have already written the data file. If you only want to dump the file contents of the output buffer, ...

5. Recommended Articles for PHP fflush () functions

Introduction: PHP fflush function  fflush (PHP 4 “ = 4.0.1, PHP 5) fflush-Flush output to a file description Boolean Fflush (resource $ processing) This feature forces the file handle that the force writes to all buffered outputs that the resource points to. Parameter handle file pointer must be valid, must point to a file successfully opened fopen () or Fsockopen () (and has not yet closed fclose () ...

6. 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 (...

7. About PHP fclose () functions 10 articles recommended

Summary: instance of a file handle: Locating the starting position of a non-visible read with a handle and chunking a large file in order to use the Read file function, you need to use the path relative to the PHP script to indicate to them the file to read, however, most PHP file functions use a slightly different mechanism to access the file, This mechanism is very similar to the mechanism for connecting to a database, which uses the fopen () function for "Connecting" and "disconnecting" using the Fclose function. The return value of the fopen function is a PHP file pointer, also known as a file handle, once you have a file handle ...

8. About PHP fopen () functions 10 articles recommended

Summary: instance of a file handle: Locating the starting position of a non-visible read with a handle and chunking a large file in order to use the Read file function, you need to use the path relative to the PHP script to indicate to them the file to read, however, most PHP file functions use a slightly different mechanism to access the file, This mechanism is very similar to the mechanism for connecting to a database, which uses the fopen () function for "Connecting" and "disconnecting" using the Fclose function. The return value of the fopen function is a PHP file pointer, also known as a file handle, once you have a file handle ...

9. A detailed description of the file handle

Summary: instance of a file handle: Locating the starting position of a non-visible read with a handle and chunking a large file in order to use the Read file function, you need to use the path relative to the PHP script to indicate to them the file to read, however, most PHP file functions use a slightly different mechanism to access the file, This mechanism is very similar to the mechanism for connecting to a database, which uses the fopen () function for "Connecting" and "disconnecting" using the Fclose function. The return value of the fopen function is a PHP file pointer, also known as a file handle, once you have a file handle ...

Detailed description of file descriptors and file pointers under Linux

Introduction: This article mainly introduces the detailed description of Linux under the file descriptor and file pointers related information, the need for friends can refer to the following

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