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File: src/ShutdownTasks.php

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File: src/ShutdownTasks.php
Role: Class source
Content type: text/plain
Description: Class source
Class: PHP Shutdown Function Shutdown Helper
Register functions to be called when a script ends
Author: By
Last change:
Date: 1 year ago
Size: 2,268 bytes
 

Contents

Class file image Download
<?php
/*
MIT License

Copyright (c) 2019 Webfan Homepagesystem
*/

namespace frdlweb\Thread;
class
ShutdownTasks {
    protected
$callbacks;
    protected static
$instance = null;

    public function
__construct() {
       
$this->callbacks = [];
       
//register_shutdown_function([$this, 'callRegisteredShutdown']);
   
}
   
    public function
__invoke(){
        return
call_user_func_array([$this,'registerShutdownEvent'], func_get_args() );
    }
   
    public function
__call($name, $params){
        if(
'clear'===$name){
           
$this->callbacks = [];
            return
$this;
        }
       
        throw new \
Exception('Unhandled metod in '.__METHOD__.' '.basename(__FILE__).' '.__LINE__);
    }
   
    public static function
__callStatic($name, $params){
        return
call_user_func_array([self::getInstance(),$name], $params );
    }
   
    public static function
getInstance() {
             if(
null===self::$instance){
                   
self::$instance = new self;
             }
       
        return
self::$instance;
    }
   
    public static function
mutex() {
         return
self::getInstance();
    }
   
    public function
registerShutdownEvent() {
       
$callback = func_get_args();
      
        if (empty(
$callback)) {
            throw new \
Exception('No callback passed to '.__METHOD__);
        }
        if (!
is_callable($callback[0])) {
            throw new \
Exception('Invalid callback passed to '.__METHOD__);
        }
       
        if(
0===count($this->callbacks)){
          
register_shutdown_function([$this, 'callRegisteredShutdown']);
        }
       
       
$this->callbacks[] = $callback;
       
        return
$this;
    }
   
    public function
prepend() {
       
$callback = func_get_args();
      
        if (empty(
$callback)) {
            throw new \
Exception('No callback passed to '.__METHOD__);
        }
        if (!
is_callable($callback[0])) {
            throw new \
Exception('Invalid callback passed to '.__METHOD__);
        }
       
        if(
0===count($this->callbacks)){
          
register_shutdown_function([$this, 'callRegisteredShutdown']);
        }
       
       
array_unshift($this->callbacks, $callback);
       
        return
$this;
    }
   
    public function
callRegisteredShutdown() {
        while(
0<count($this->callbacks)){
             
$arguments = array_shift($this->callbacks);
           
$callback = array_shift($arguments);
           
call_user_func_array($callback, $arguments);
        }
    }

}

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