PHP Classes

File: libs/Facebook/autoload.php

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File: libs/Facebook/autoload.php
Role: Example script
Content type: text/plain
Description: Example script
Class: PHP Real Estate Website
Manage the properties of a real estate business
Author: By
Last change:
Date: 3 years ago
Size: 2,825 bytes
 

Contents

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<?php
/**
 * Copyright 2014 Facebook, Inc.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to
 * use, copy, modify, and distribute this software in source code or binary
 * form for use in connection with the web services and APIs provided by
 * Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use
 * of this software is subject to the Facebook Developer Principles and
 * Policies [http://developers.facebook.com/policy/]. This copyright notice
 * shall be included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 */

/**
 * You only need this file if you are not using composer.
 * Why are you not using composer?
 * https://getcomposer.org/
 */

if (version_compare(PHP_VERSION, '5.4.0', '<')) {
    throw new
Exception('The Facebook SDK requires PHP version 5.4 or higher.');
}

/**
 * Register the autoloader for the Facebook SDK classes.
 *
 * Based off the official PSR-4 autoloader example found here:
 * https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader-examples.md
 *
 * @param string $class The fully-qualified class name.
 *
 * @return void
 */
spl_autoload_register(function ($class) {
   
// project-specific namespace prefix
   
$prefix = 'Facebook\\';

   
// For backwards compatibility
   
$customBaseDir = '';
   
// @todo v6: Remove support for 'FACEBOOK_SDK_V4_SRC_DIR'
   
if (defined('FACEBOOK_SDK_V4_SRC_DIR')) {
       
$customBaseDir = FACEBOOK_SDK_V4_SRC_DIR;
    } elseif (
defined('FACEBOOK_SDK_SRC_DIR')) {
       
$customBaseDir = FACEBOOK_SDK_SRC_DIR;
    }
   
// base directory for the namespace prefix
   
$baseDir = $customBaseDir ?: __DIR__ . '/';

   
// does the class use the namespace prefix?
   
$len = strlen($prefix);
    if (
strncmp($prefix, $class, $len) !== 0) {
       
// no, move to the next registered autoloader
       
return;
    }

   
// get the relative class name
   
$relativeClass = substr($class, $len);

   
// replace the namespace prefix with the base directory, replace namespace
    // separators with directory separators in the relative class name, append
    // with .php
   
$file = rtrim($baseDir, '/') . '/' . str_replace('\\', '/', $relativeClass) . '.php';

   
// if the file exists, require it
   
if (file_exists($file)) {
        require
$file;
    }
});