Json Pretty Print

function json_encode_pretty($value, $options = 0, $indentationCharacter = ' ')
{
    $string         = json_encode($value, $options);
    $out            = '';
    $indent         = 0;
    $istext         = false;
    for($i = 0; $i < strlen($string); $i++)
    {
        $character      = substr($string, $i, 1);
        $breakBefore    = $breakAfter   = false;
        $charBefore     = $charAfter    = '';

        if($character === '"' && ($i > 0 && substr($string, $i - 1, 1) !== '\\'))
            $istext = !$istext; // toggle
        if(!$istext)
            switch($character)
            {
                case '[':
                case '{':
                    $indent++;
                case ',':
                    $breakAfter = true;
                break;
                case ']':
                case '}':
                    $indent--;
                    $breakBefore = true;
                break;
                case ':':
                    $charBefore = $charAfter = ' ';
                break;
            }
        $out    .= ($breakBefore ? PHP_EOL.str_repeat($indentationCharacter, $indent) : '')
                .  $charBefore.$character.$charAfter
                .  ($breakAfter ? PHP_EOL.str_repeat($indentationCharacter, $indent) : '')
                ;
    }
    return $out;
}