Recommended 10 articles for PHP popen () functions

1.PHP Popen How to implement multi-process concurrency execution, the pclose in the loop waits for the process to complete before the next loop 2. Suppose there are 17 processes to open, how to implement 5 processes each time, and each process is completed to close a process, and open the next process, This means that up to 5 processes are executed at the same time//start 2 processes for ($i = 0; $i < 2; $i + +) {$command = "$phpPath $destPHPFile >> $logFile $i"; echo "process turn on time". Date (' y-m-d h:i:s '). " \ n "; $resource = Popen ($command, ' R '); if (IS

1. Recommended Articles for PHP pclose () functions

Introduction: 1. PHP Popen How to implement multi-process concurrency execution, the pclose in the loop will wait for the process to complete before the next loop 2. Suppose there are 17 processes to open, how to implement 5 processes each time, and each process is completed to close a process, and open the next process, That is, up to 5 processes execute at the same time//start 2 processes for ($i = 0; $i < 2; $i + +) {$command = "$phpPath $destPHPFile >> $logF ...

2. Popen How to implement multi-process concurrency execution, pclose in the loop will wait for the process to complete before the next cycle

Introduction: 1. PHP Popen How to implement multi-process concurrency execution, the pclose in the loop will wait for the process to complete before the next loop 2. Suppose there are 17 processes to open, how to implement each start 5 processes, and each time a process is completed to close a process, while the next process to open, that is, at most ...

3. ffmpeg-php the problem of using the Popen method to implement asynchronous operations

Summary: This method performs a video transcoding operation using Popen. In order for the transcoding to execute asynchronously, how can we know that this sentence is done. Just how to know the transcoding is over.

4. PHP uses the Popen method to implement asynchronous operation problems

Summary: This method performs a video transcoding operation using Popen. In order for the transcoding to execute asynchronously, how can we know that this sentence is done. Just how to know the transcoding is over.

5. Popen function to tune local script and pass parameters

Introduction: Eldest brother want me to implement a PHP asynchronous email function, the Internet to find the data found with Popen can, so initially written like this: {code ...} This script is a phpmailer send an email to my account. Now want to give this function to pass parameters: $to--the recipient $content--inside ...

6. How to get root permissions for your phone to allow PHP to execute system commands with root privileges

Introduction: How to get the root permission of the phone: how to get the root permission of the phone to allow PHP to execute system commands with root privileges: used as a reference for solving the command or application that PHP uses as root to perform some commands or applications that ordinary users cannot perform. In fact, PHP popen () function can solve this problem, but because some version of Linux (such as I use CentOS 5) for system security considerations, make this problem solved a lot of trouble. Let's start with an example of a netizen using the Popen () function. Copy the code as follows:/* How to add a system user in PHP below is a routine that adds a user named James, Roo

7. PHP Dangerous function Full parse

Introduction:: Php Dangerous function Full parse: When compiling PHP, if there is no special need, it is necessary to prohibit the compilation of CLI command line mode of PHP parsing support. –DISABLE-CLI can be used at compile time. Once you compile PHP that generates CLI mode, you may be exploited by intruders to create a web Shell backdoor process or execute arbitrary code through PHP. Phpinfo () function Description: Output PHP environment information and related modules, WEB environment and other information. Hazard Rating: Medium PassThru () function Description: Allow

8. How to get PHP to execute system commands with root _php tutorial

Summary: A way to allow PHP to execute system commands with root privileges. Used as a reference for troubleshooting PHP to execute commands or applications that ordinary users cannot perform with root privileges. In fact, PHP popen () function can solve this problem, but due to some version

9. Linux exec and shell_exec functions _php Tutorial

Summary: Linux exec and shell_exec functions. php tutorial $test = ls/tmp/test; $out = Shell_exec ($test); echo $out;? The results of the popen,passthru,proc_open,shell_exec return are as follows: [root@krlcgcms01 shell]# php test.php 1001.log 1

PHP popen for multitasking _php tutorials

Introduction: PHP popen for multitasking. PHP code? php $update _num = 1000; $limit = 100; $p _num = 0; $line _cmd = Ps-ef | grep doit.php | Grep-v grep | Wc-l; $exec _cmd =/usr/local/php/bin/php doit.php%s/dev/null 21;

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Popen is blocked.

Php-popen How to implement multi-process concurrency execution, the pclose in the loop waits for the process to complete before the next cycle

Ffmpeg-php the problem of using the Popen method to implement asynchronous operations

Popen How to implement multi-process concurrency execution, the pclose in the loop waits for the process to complete before the next cycle

Python-ioerror: [Errno] Broken pipe