autoload.php

<?php

/**
 * This is the bingo-functional autoloader.
 *
 * @param string $class The fully-qualified class name.
 *
 * @return void
 */

\spl_autoload_register(function ($class) {
  // project-specific namespace prefix
  $prefix = 'Chemem\\Bingo\\Functional\\';

  // base directory for the namespace prefix
  $baseDir = __DIR__ . '/src/';

  // 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('\\', '/', $relativeClass) . '.php';

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

\spl_autoload_register(function ($class) {
  // project-specific namespace prefix
  $prefix = 'Chemem\\Bingo\\Functional\\Tests\\';

  // base directory for the namespace prefix
  $baseDir = __DIR__ . '/tests/';

  // 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('\\', '/', $relativeClass) . '.php';

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