PHP var_export() with short array syntax (square brackets) indented 2 spaces.

varexport.php

<?php
/**
 * PHP var_export() with short array syntax (square brackets) indented 2 spaces.
 *
 * @todo Fix edge case where if a string value has `=>\n[` it will get converted to `=> [`.
 *
 * @link https://www.php.net/manual/en/function.var-export.php
 *
 * @param  mixed $expression
 * @param  bool  $return
 * @return string|void
 */
function varexport($expression, bool $return = false) {
    $export = var_export($expression, true);

    $patterns = [
        '/array \(/'                       => '[',
        '/^([ ]*)\)(,?)$/m'                => '$1]$2',
        '/=>[ ]?\n[ ]+\[/'                 => '=> [',
        '/([ ]*)(\'[^\']+\') => ([\[\'])/' => '$1$2 => $3',
        '/[0-9]+ => /'                     => '',
    ];

    $export = preg_replace(array_keys($patterns), array_values($patterns), $export);

    if ($return) {
        return $export;
    }

    echo $export;
}

varexportTest.php

<?php
$array = [
    'str' => 'Test
       spaces',
       0 => 33,
       1 => TRUE,
       [3,4,'d',[]],
    'arr' => [
        'text with spaces' => '[Tes\'t"s":
 => [
 => 
  [
   {
      spaces',
    ],
    "str2" => "Test's'
 } spaces",
    'arr2' => [
        'text with spaces' => [
            'arr3' => [
                'text with spaces' => 'Te": "st \' => [
      spaces',
            ],
        ],
    ],
];

varexport($array);

// Result:
```
[
  'str' => 'Test
       spaces',
  0 => 33,
  1 => true,
  2 => [
    0 => 3,
    1 => 4,
    2 => 'd',
    3 => [
    ],
  ],
  'arr' => [
    'text with spaces' => '[Tes\'t"s":
 => [
 => [
   {
      spaces',
  ],
  'str2' => 'Test\'s\'
 } spaces',
  'arr2' => [
    'text with spaces' => [
      'arr3' => [
        'text with spaces' => 'Te": "st \' => [
      spaces',
      ],
    ],
  ],
]
```
NOTE: The only issue is when a string value has `=>\n[`, it will get converted to `=> [`. See lines 11-12 vs line 47.