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. About PHP Popen () functions 10 articles recommended
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 = " $phpPath ...
2. Recommended Articles for PHP pclose () functions
Introduction: 1. PHP Popen How to implement multi-process concurrency execution, the pclose in the loop will wait for the process to complete before the next loop 2. Suppose there are 17 processes to open, how to implement 5 processes each time, and each process is completed to close a process, and open the next process, That is, up to 5 processes execute at the same time//start 2 processes for ($i = 0; $i < 2; $i + +) {$command = "$phpPath $destPHPFile >> $logF ...
3. About PHP fscanf () functions 10 articles recommended
Summary: Learn how to use PHP's various file functions. View basic file functions such as fopen, Fclose, and feof, and learn about read functions such as fgets, FGETSS, and fscanf. and found a function to process the entire file with one or two lines of code. Let's figure out how many ways to deal with modern programming languages such as PHP are a lot of options available. PHP can easily win Perl's motto "there& #39; s more than o ...
4. About PHP file_put_contents () functions 10 articles recommended
Introduction: Write a file 1. Open a resource (file) fopen ($filename, $mode) 2. Write File fwrite ($handle, $STR) 3. Close File Fclose ($handle) 4. One-Step write file_put_contents ($filename, $str, $mode) File_append LOCK_EX} Second, read the file 1. Read the file fread ($handle, bytes) 2. Read a line of fgets ($hand ...
5. About PHP fgetss () functions 10 articles recommended
Summary: Learn how to use PHP's various file functions. View basic file functions such as fopen, Fclose, and feof, and learn about read functions such as fgets, FGETSS, and fscanf. and found a function to process the entire file with one or two lines of code. Let's figure out how many ways to deal with modern programming languages such as PHP are a lot of options available. PHP can easily win Perl's motto "there& #39; s more than o ...
6. 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 () ...
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 Rewinddir () functions 10 articles recommended
Introduction: chdir: Changing the directory. Dir: Catalog Category class. Closedir: Close directory handle. Opendir: Open Directory handle. Readdir: Read directory handle. Rewinddir: Resets the directory handle. ChDir change the directory. Syntax: int chdir (string directory); Return value: Integer function type: File access content Description This function is used to change the current ...
9. About PHP Readdir () functions 10 articles recommended
Description://Determine if the directory is empty, True is empty, false is not empty function Is_empty_dir ($fp) { $H = @ opendir ($fp); $i =0; while ($_file=readdir ($H)) { $ i++; } close.
10. About PHP Opendir () functions 10 articles recommended
Description://Determine if the directory is empty, True is empty, false is not empty function Is_empty_dir ($fp) { $H = @ opendir ($fp); $i =0; while ($_file=readdir ($H)) { $ i++; } close.
"Related question and answer recommendation":
Java-mybatis Sqlsession does not call close to close the lock dead db file, cannot insert data inside
MongoDb, how to delete data based on a _id value
PHP Why add content, the original a.txt inside the contents are replaced. How to append content to the A.txt document.
The global variable BOOL close[30] is defined in Ios-oc, what should be defined in Swift?
JavaScript-cannot close page after card coupon is picked up