A module of helpful methods

Debug.php

<?php

class Debug
{
    public static $TIMESTAMPS = [];

    public static function timestamp(string $key = null)
    {
        $key = $key ?: count(static::$TIMESTAMPS);
        static::$TIMESTAMPS[$key] = microtime(true);
    }

    public static function computeTimeTaken(): array
    {
        $res = [];
        $keys = array_keys(static::$TIMESTAMPS);
        foreach ($keys as $i => $key) {
            $last = static::$TIMESTAMPS[$keys[$i - 1] ?? $key];
            $curr = static::$TIMESTAMPS[$key];
            $res[$key] = $curr - $last;
        }

        return $res;
    }

    public static function pretty($thing): string
    {
        return str_replace([
            '{', '}', ':',
        ], [
            '[', ']', ' =>',
        ], json_encode($thing, JSON_PRETTY_PRINT));
    }

    public static function printPreparedStatement(string $query, array $bindings = []): string
    {
        if (!$bindings) {
            return $query;
        }

        $find = ['(', ')'];
        $replace = ["(\n", "\n)"];

        $breakBefore = ['from', 'where', 'and', 'group by'];
        foreach ($breakBefore as $breakWord) {
            $find[] = "{$breakWord}";
            $replace[] = "\n{$breakWord}";
        }
        $query = str_replace($find, $replace, $query);

        $depth = 0;
        $query = array_reduce(explode("\n", $query), function (string $acc, string $line) use (&$depth) {
            $res = $acc . str_repeat("\t", $depth) . trim($line) . "\n";
            if (substr($line, 0, 1) === ')') {
                $depth--;
            }
            if (substr($line, -1) === '(') {
                $depth++;
            }

            return $res;
        }, '');

        return '<pre>' . array_reduce($bindings, function (string $query, $binding = null) {
            return preg_replace('/\?/', json_encode($binding), $query, 1);
        }, $query) . '</pre>';
    }
}