classmap (composer)

classmap.php

<?php

use Composer\Autoload\ClassMapGenerator;
use Composer\Autoload\ClassLoader;

/** @var ClassLoader $loader */
$loader = require __DIR__ . '/vendor/autoload.php';

$classes = [];

foreach ($loader->getPrefixes() as $prefix => $paths) {
    foreach ($paths as $path) {
        foreach(ClassMapGenerator::createMap($path) as $class => $classPath) {
            $classes[$class] = $classPath;
        }
    }
}

foreach ($loader->getPrefixesPsr4() as $prefix => $paths) {
    foreach ($paths as $path) {
        foreach(ClassMapGenerator::createMap($path) as $class => $classPath) {
            $classes[$class] = $classPath;
        }
    }
}

foreach ($loader->getClassMap() as $class => $classPath) {
    $classes[$class] = $classPath;
}

ksort($classes);

var_dump($classes);