PHP code example of jeremiah-shaulov / php-web-node

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

jeremiah-shaulov / php-web-node example snippets

pWebNode\Server;

$server = new Server
(	[	'listen' => '/run/php-web-node/main.sock', // or: '127.0.0.1:10000', '[::1]:10000'
		'listen.owner' => 'www-data',
		'listen.group' => 'johnny',
		'listen.mode' => 0700,
		'listen.backlog' => 0,
		'user' => 'johnny',
		'group' => null,
		'pm.max_requests' => 1000,
		'pm.max_children' => 2,
		'pm.process_idle_timeout' => 30,
		'request_terminate_timeout' => 10,
	]
);
$server->serve();

if (!isset($n_request)) $n_request = 1;

echo "Request $n_request from ", posix_getpid();
$n_request++;

function get_n_request()
{	static $n_request = 1;
	return $n_request++;
}

echo "Request ", get_n_request(), " from ", posix_getpid();

ion get_n_request()
{	static $n_request = 1;
	return $n_request++;
}

PhpWebNode\set_request_handler
(	__FILE__,
	function()
	{	echo "Request ", get_n_request(), " from ", posix_getpid();
	}
);

nction PhpWebNode\header;

function get_n_request()
{	static $n_request = 1;
	return $n_request++;
}

PhpWebNode\set_request_handler
(	__FILE__,
	function()
	{	header("Expires: 0"); // this is PhpWebNode\header()
		echo "Request ", get_n_request(), " from ", posix_getpid();
	}
);

pWebNode\Server;

$n_requests = 0;
$requests_time_took = 0.0;

echo "Started\n";

$server = new Server
(	[	'listen' => '/run/php-web-node/main.sock',
		'listen.owner' => 'www-data',
		'listen.group' => 'johnny',
		'listen.mode' => 0700,
		'listen.backlog' => 0,
		'user' => 'johnny',
		'group' => null,
		'pm.max_requests' => 1000,
		'pm.max_children' => 10,
		'pm.process_idle_timeout' => 30,
		'request_terminate_timeout' => 10,
	]
);
$server->onerror
(	function($msg)
	{	echo $msg, "\n";
	}
);
$server->onrequestcomplete
(	function($pool_id, $messages, $time_took) use(&$n_requests, &$requests_time_took)
	{	$n_requests++;
		$requests_time_took += $time_took;
	}
);
$server->set_interval
(	function() use(&$n_requests, &$requests_time_took)
	{	echo "$n_requests requests", ($n_requests==0 ? "" : " (".round($requests_time_took/$n_requests, 3)." sec avg)"), "\n";
		$n_requests = 0;
		$requests_time_took = 0.0;
	},
	6
);
$server->serve();

public function onrequest(callable $onrequest_func=null, int $catch_input_limit=0)

pWebNode\{Server, Request};

$server = new Server
(	[	'listen' => '/run/php-web-node/main.sock',
		'listen.owner' => 'www-data',
		'listen.group' => 'johnny',
		'listen.mode' => 0700,
		'listen.backlog' => 0,
		'user' => 'johnny',
		'group' => null,
		'pm.max_requests' => 1000,
		'pm.max_children' => 5,
		'pm.process_idle_timeout' => 30,
		'request_terminate_timeout' => 10,
	]
);
$server->onrequest
(	function(Request $request)
	{	$db_id = $request->get['db-id'] ?? null;
		return $db_id=='a' ? 'A' : 'B';
	},
	8*1024
);
$server->serve();

$server->onrequest
(	function(Request $request)
	{	if (empty($request->get['page-id']))
		{	http_response_code(404);
			PhpWebNode\header('Expires: '.gmdate('r', time()+60*60));
			throw new Exception("Page doesn't exist"); // cancel the request
		}
	}
);

const DB_DSN = 'mysql:host=localhost;dbname=information_schema';
const DB_USER = 'root';
const DB_PASSWORD = 'root';
const RECONNECT_EACH_N_REQUESTS = 10;

function get_pdo()
{	static $pdo = null;
	static $n_request = 0;

	if ($n_request++ % RECONNECT_EACH_N_REQUESTS == 0)
	{	$pdo = new PDO(DB_DSN, DB_USER, DB_PASSWORD);
		$n_request = 1;
	}
	else
	{	// Reset the connection
		$pdo->exec("ROLLBACK");
	}

	return $pdo;
}

PhpWebNode\set_request_handler
(	__FILE__,
	function()
	{	$pdo = get_pdo();
		$cid = $pdo->query("SELECT Connection_id()")->fetchColumn();
		echo "Connection ID = $cid";
	}
);

pWebNode\Server;

$server = new Server
(	[	'listen' => '/run/php-web-node/main.sock',
		'listen.owner' => 'www-data',
		'listen.group' => 'johnny',
		'listen.mode' => 0700,
		'listen.backlog' => 0,
		'user' => 'johnny',
		'group' => null,
		'pm.max_requests' => 1000,
		'pm.max_children' => 5,
		'pm.process_idle_timeout' => 30,
		'request_terminate_timeout' => 10,
	]
);
$server->serve();

sudo php server.php

PHP Fatal error:  Cannot redeclare get_n_request()