var_export with short array notation, array alignement and custom indentation

prettyVarExport.php

<?php

function prettyVarExport($var, array $opts = [])
{
    $opts = array_merge(['indent' => '', 'tab' => '    ', 'array-align' => false], $opts);
    switch (gettype($var)) {
        case 'array':
            $r = [];
            $indexed = array_keys($var) === range(0, count($var) - 1);
            $maxLength = $opts['array-align'] ? max(array_map('strlen', array_map('trim', array_keys($var)))) + 2 : 0;
            foreach ($var as $key => $value) {
                $key = str_replace("'' . \"\\0\" . '*' . \"\\0\" . ", "", prettyVarExport($key));
                $r[] = $opts['indent'] . $opts['tab']
                    . ($indexed ? '' : str_pad($key, $maxLength) . ' => ')
                    . prettyVarExport($value, array_merge($opts, ['indent' => $opts['indent'] . $opts['tab']]));
            }
            return "[\n" . implode(",\n", $r) . "\n" . $opts['indent'] . "]";
        case 'boolean':
            return $var ? 'true' : 'false';
        case 'NULL':
            return 'null';
        default:
            return var_export($var, true);
    }
}