PHPfeof test whether the file pointer has reached the end of the file. EOF is a very important concept. almost every mainstream programming language provides corresponding built-in functions to verify whether the parser has reached the file EOF. In
This article mainly introduces PHPSOCKET programming details. For more information, see
1. prerequisites
I have never seen how many people use the socket module of php to do some things. maybe everyone has positioned it within the scope of the
[Video conversion class ]??? Here we will briefly introduce the software required to build a video website, including ffmpeg and mplayer. They are mainly used for video transcoding. ffmpeg can basically process all video files in all formats, but
1. Get the file name: basename ();2. Obtain the directory where the file is located: dirname ();3. Obtain the file information through pathinfo (). The Returned result is an array, including the path, full name, file name, and extension. For example:
PHPSOCKET programming and socket programming. PHPSOCKET programming details, socket programming details 1. the preliminary knowledge has never seen how many people use the php socket module to do some things. most people have positioned it in the
PHP Socket Programming Detailed
This article mainly introduces the PHP socket programming detailed, the need for friends can refer to the following
1. Pre-knowledge
It has been very rare to see how many people use the PHP socket module to do
In php, It is very convenient to perform operations on files, because php provides a large number of php file operation functions, next I will summarize the PHP file operation methods and functions. In php, It is very convenient to perform
1. Preliminary knowledge
has been rarely seen how many people use PHP socket module to do something, probably everyone positioning it in the context of scripting language, but in fact, PHP socket module can do a lot of things, including doing
Basic c: files and operations, basic c operationsFile opening and closing
First, define a FILE pointer type in the format of FILE * FILE pointer name ;;
FILE * fp; // fp is the defined FILE pointer.
● Open the file fopen () function in the format
# Include
# Include
# Include
Int main (void)
...{
File * In, * out;
Clrscr ();
If (in = fopen ("D:/h1.txt", "R") = NULL)
...{
Printf ("can't open infile! ");
Exit (0 );
}
If (out = fopen ("D:/h2.txt", "W") = NULL)
...{
Printf ("can't open
PHP remote file download class (supports resumable upload ). PHP remote file download class, supports resumable download, the code contains specific call instructions. The program uses the HTTP protocol to download files. the HTTP1.1 protocol must
Php socket programming and socket programming
1. Prerequisites
I have never seen how many people use the socket module of php to do some things. Maybe everyone has positioned it within the scope of the script language, but in fact, the php socket
Focus:
Know when to finish reading files: feof () function
Reads one row of data at a time: fgets (), FGETSS (), fgetcsv () functions
Read entire file: ReadFile (), Fpassthru (), file () function
Read one character: Fgetc ()
This article introduces, in PHP, to implement some of the methods and code to download files, including system function calls, wget, and socket connection mode download files. If you need a friend, make a reference.In PHP to implement the download
PHP does not support multi-threading, but we can convert the problem to "multi-process" to solve. Because Pcntl_fork in PHP is available only on UNIX platforms, this article attempts to use Popen instead.Here is an example:Subroutines that are
Supports remote file download for resumable PHP
PHP remote file download class, supports resumable download, the code contains specific call instructions. The program uses the HTTP protocol to download files. the HTTP1.1 protocol must
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 ()
This example describes the HTTP file download class from the Dream cms. Share to everyone for your reference. Specific as follows:
m_url = $url; if (Is_array ($urls)) {$this->m_host = $urls ["Host"]; if (!empty ($urls ["SCHeme "]))
PHP download remote file class, support for the continuation of a breakpoint download, the code contains specific invocation instructions. The main program is to use the HTTP protocol to download files, HTTP1.1 protocol must be specified after the
1) New remote host judgment, save server resources. Avoid the remote host does not exist when still fsockopen, resulting in the crash occupied the server CPU (2) added response 401 of the judgment and support. (3) Added support for JSON return text.
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