Generate manifest.json file with hashes of all asset files in a folder, recursively

generate-assets-manifest.php

#!/usr/bin/env php
<?php

$path = realpath(__DIR__ . '/../web/assets');

$obsoletePrefix = realpath(__DIR__ . '/../web/') . '/';

$objects = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path, FilesystemIterator::KEY_AS_PATHNAME | RecursiveDirectoryIterator::FOLLOW_SYMLINKS));

$hashes = [];

foreach ($objects as $name => $object) {
    if (is_file($name)) {
        $hashes[str_replace($obsoletePrefix, '', $name)] = str_replace($obsoletePrefix, '', $name) . '?contentHash=' . md5_file($name);
    }
}

echo json_encode($hashes, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);