Spawn - Process Manager for Handling Multiple Processes in PHP 5.4+
Use example.php file to execute test:
// load Spawn
require_once './spawn.bootstrap.php';
try
{
// set Spawn object
$spawn = new \Spawn\Manager;
// turn on debug messages for testing
$spawn->debug_mode = true;
// allow 3 processes to run concurrently (default is 3)
$spawn->max_processes = 3;
// add test processes
$spawn->add('php -r "sleep(1); echo \'process 1\';"');
$spawn->add('php -r "sleep(2); echo \'process 2\';"');
$spawn->add('php -r "sleep(3); echo \'process 3\';"');
$spawn->add('php -r "sleep(4); echo \'process 4\';"');
$spawn->add('php -r "sleep(5); echo \'process 5\';"');
// start processes
$spawn->execute();
}
catch(\Exception $ex)
{
echo $ex->getMessage();
}Run example.php script using command line (PHP CLI):
# php example.php
Executing command: php -r "sleep(1); echo 'process 1';"
Executing command: php -r "sleep(2); echo 'process 2';"
Executing command: php -r "sleep(3); echo 'process 3';"
process 1
Done: php -r "sleep(1); echo 'process 1';"
Executing command: php -r "sleep(4); echo 'process 4';"
process 2
Done: php -r "sleep(2); echo 'process 2';"
Executing command: php -r "sleep(5); echo 'process 5';"
process 3
Done: php -r "sleep(3); echo 'process 3';"
process 4
Done: php -r "sleep(4); echo 'process 4';"
process 5
Done: php -r "sleep(5); echo 'process 5';"Settings can be customized for script optimization
Debug mode can be turned on to display helpful debugging messages:
$spawn->debug_mode = true;An error log path can be set to output any process errors to a log, if not set errors will be directly outputted
$spawn->error_log_path = './errors.log';The number of concurrent process can be limited using the property below:
$spawn->max_processes = 3;The step sleep time can be adjusted in milliseconds using the property below, a minimum of 100 milliseconds is required:
$spawn->sleep_milliseconds = 500;The verbose option allows for process output messages, setting false will suppress process messages and errors
$spawn->verbose = true;
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