Source of file autoload.php

<?php

/**

 * Copyright 2016 University of Liverpool

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 *

 * @param string $class The fully-qualified class name.

 * @return void

 */

spl_autoload_register(function ($class) {

    // project-specific namespace prefix

    $prefix = 'pgb_liv\\php_ms\\';

    // base directory for the namespace prefix

    $baseDir = __DIR__ . DIRECTORY_SEPARATOR ;

    // 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 = $baseDir . str_replace('\\', DIRECTORY_SEPARATOR, $relativeClass) . '.php';

    // if the file exists, require it

    if (file_exists($file)) {

        require $file;

    }

});