EZ PHP Maintenance Mode: Check if a site should be put in maintenance mode

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Version License PHP version Categories
ez-maintenance 1.0.0The PHP License5PHP 5, Systems administration
Description Author

This package can be used to check if a site should be put in maintenance mode.

It can perform the necessary checks to determine if the current site is under maintenance mode, so applications can show a maintenance page while the situation is maintained.

The package provides several adapter classes that can perform several types of checks like looking at configuration files, environment variables, PHP constants, or other types implemented by custom adapter classes.

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Details

Easy Maintenance

Utility Library to handle site maintenance situation

Key Features

  • Easy to use
  • Highly Customizable

Installation/Usage

If you're using Composer to manage dependencies, you can include the following in your composer.json file:

"require": {
    "xiidea/ez-maintenance": "dev-master"
}

Then, after running composer update or php composer.phar update, you can load the class using Composer's autoloading:

require 'vendor/autoload.php';

Otherwise, you can simply require the given autoload.php file:

require_once 'PATH_TO_LIBRARY/autoload.php';

Then you can just call EzMaintenance\Worker::watch() In your index.php (see the example)

Different Adapters to check maintenance mode

Use adapter to detect if we need to serve the maintenance page or not. 3 Types of adapter provided. You can also define your own adapter.

File Adapters

This is the default adapter. it checks for a specific file if exist or not. default path is down. For the following implementation you will be shown maintenance page if there is a file exists named maintenance.enable

<?php

EzMaintenance\Worker::watch('file', array(
        'path' => 'maintenance.enable'
));


Env Adapters

Using this adapter you can watch over existence of an environment variable. The maintenance page will be shown if the environment variable is present with specific value.

<?php

EzMaintenance\Worker::watch('env', array(
        'var_name' => 'APPLICATION_ENV',
        'check_value' => 'down'
));


Const Adapters

This is same ad the env adapter. Only difference is it will check for a php constant instead of environment variable.

<?php

EzMaintenance\Worker::watch('const', array(
        'var_name' => 'APPLICATION_ENV',
        'check_value' => 'down'
));

Custom Adapters

You can define your own adapter by implementing the EzMaintenance\Adapter\AdapterInterface

Common options

Following options are available to customize the behaviour of the library

interval

This option state the interval in second, the system will check for the site status with this interval. default is 5 second.

override_key

You can configure a key to override the maintenance mode. This is helpful t test your site normally while others will see maintenance page. To browse the page in maintenance mode, you just need to pass the override key as query parameter like: http://yourdomain.com/?key={override_key}

inverse

If you want to enable maintenance mode when adapter return false, you can set inverse = true.

template

You can provide the built-in template name(simple, game, clock) or path to your own template file. All the options will also be available in your template. You should echo $javascript in your template file to enable auto status check.

<?php
    echo $javascript;
?>

msg

If you are using any of the default template, you can customize the message using this option.

Contributing to Library

If you find a bug or want to add a feature to EzMaintenance, great! In order to make it easier and quicker for me to verify and merge changes in, it would be amazing if you could follow these few basic steps:

  1. Fork the project.
  2. Branch out into a new branch. git checkout -b name_of_new_feature_or_bug
  3. Make your feature addition or bug fix.
  4. Commit.
  5. Send me a pull request!
  Files  
File Role Description
example (2 files)
EzMaintenance (1 file, 3 directories)
autoload.php Aux. Auxiliary script
composer.json Data Auxiliary data
LICENSE Lic. License text
README.md Doc. Documentation

  Files  /  example  
File Role Description
   .htaccess Data Auxiliary data
   index.php Example Example script

  Files  /  EzMaintenance  
File Role Description
Adapter (6 files)
Helper (2 files)
Resources (1 directory)
   Worker.php Class Class source

  Files  /  EzMaintenance  /  Adapter  
File Role Description
   AdapterInterface.php Class Class source
   BaseVariableAdapter.php Class Class source
   Constant.php Class Class source
   Environment.php Class Class source
   FileAdapter.php Class Class source
   VariableAdapterInterface.php Class Class source

  Files  /  EzMaintenance  /  Helper  
File Role Description
   Security.php Class Class source
   Template.php Class Class source

  Files  /  EzMaintenance  /  Resources  
File Role Description
templates (4 files)

  Files  /  EzMaintenance  /  Resources  /  templates  
File Role Description
   clock.php Aux. Auxiliary script
   game.php Aux. Auxiliary script
   simple.php Aux. Auxiliary script
   __script.php Aux. Auxiliary script

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